erigon-pulse/cmd/hack/cfg.go

package main

import (
	"bufio"
	"encoding/hex"
	"encoding/json"
	"flag"
	"fmt"
	"github.com/ledgerwatch/turbo-geth/common"
	"github.com/ledgerwatch/turbo-geth/core/vm"
	"log"
	"math/big"
	"os"
	"os/exec"
	"runtime"
	"strconv"
	"strings"
	"time"
)

var maxStackLen = 1024
var maxStackCount = 25600000
var maxAnlyCounterLimit = 1048756
var maxSecs int64 = 600
var maxMBs uint64 = 1000

var mode = flag.String("mode", "test", "Mode for cfg analysis.")
var bytecode = flag.String("bytecode", "0x00", "Bytecode for cfg analysis")
var quiet = flag.Bool("quiet", false, "Quiet for cfg analysis")

func testGenCfg() {
	if *mode == "worker" {
		code, _ := hex.DecodeString(*bytecode)
		worker(code)
		return
	}

	if *mode == "server" {
		batchServer()
		return
	}

	if *mode == "test" {
		absIntTestSimple00()
		absIntTestRequires00()
		absIntTestCall01()
		absIntTestDiv00()
		absIntTestEcrecoverLoop02()
		absIntTestStorageVar03()
		absIntTestStaticLoop00()
		absIntTestPrivateFunction01()
		absIntTestPrivateFunction02()
		absIntTestStaticLoop01()
		absIntTestDepositContract()
		absIntTestPanic00()
		absIntTestSmallImprecision()
		absIntTestSmallInvalidJumpDest()
		absIntTestSmallImprecision2()
		absIntAndJumpImprecision()
		return
	}
}

func worker(code []byte) {
	metrics := vm.CfgMetrics{}
	mon := make(chan int, 1)

	start := time.Now()

	go func() {
		cfg, _ := vm.GenCfg(code, maxAnlyCounterLimit, maxStackLen, maxStackCount, &metrics)
		if cfg.Metrics.Valid {
			proof := cfg.GenerateProof()
			cfg.ProofSerialized = proof.Serialize()
			dproof := vm.DeserializeCfgProof(cfg.ProofSerialized)
			check := vm.CheckCfg(code, dproof)
			metrics.CheckerFailed = !check
			metrics.ProofSizeBytes = len(cfg.ProofSerialized)
		}

		mon <- 0
	}()

	oom := make(chan int, 1)

	go func() {
		for {
			var m runtime.MemStats
			runtime.ReadMemStats(&m)
			// For info on each, see: https://golang.org/pkg/runtime/#MemStats
			if !*quiet {
				fmt.Printf("Alloc = %v MiB", bToMb(m.Alloc))
				fmt.Printf("\tTotalAlloc = %v MiB", bToMb(m.TotalAlloc))
				fmt.Printf("\tSys = %v MiB", bToMb(m.Sys))
				fmt.Printf("\tNumGC = %v\n", m.NumGC)
			}
			time.Sleep(10 * time.Second)

			metrics.MemUsedMBs = bToMb(m.Alloc)
			if metrics.MemUsedMBs > maxMBs {
				oom <- 0
			}
		}
	}()

	select {
	case <-mon:
		if !*quiet {
			fmt.Printf("Done\n")
		}
		metrics.Time = time.Since(start)
	case <-time.After(time.Duration(maxSecs) * time.Second):
		if !*quiet {
			fmt.Printf("Timed out\n")
		}
		metrics.Timeout = true
		metrics.Time = time.Since(start)
	case <-oom:
		if !*quiet {
			fmt.Printf("OOM\n")
		}
		metrics.OOM = true
	}

	b, err := json.Marshal(metrics)
	if err != nil {
		fmt.Println(err)
		return
	}
	fmt.Printf("%v", string(b))
}

func bToMb(b uint64) uint64 {
	return b / 1024 / 1024
}

func batchServer() {
	numWorkers := runtime.NumCPU() - 2
	fmt.Printf("Number of cores: %v\n", numWorkers)

	file, err := os.Open("absintdata/contract_bytecode_txcnt.csv")
	//file, err := os.Open("/Users/suhabebugrara/absintdata/small_imprecision.csv")
	if err != nil {
		log.Fatalf("failed opening file: %s", err)
	}
	scanner := bufio.NewScanner(file)
	scanner.Split(bufio.ScanLines)
	scanner.Scan() //remove header
	jobList := make([]*cfgJob, 0)
	for scanner.Scan() {
		line := scanner.Text()
		if len(strings.TrimSpace(line)) == 0 {
			continue
		}
		row := strings.Split(line, ",")
		txcnt, perr := strconv.ParseInt(row[0], 10, 64)
		check(perr)

		code, _ := hex.DecodeString(row[1][2:])
		jobList = append(jobList, &cfgJob{int(txcnt), code})
	}
	file.Close()
	fmt.Printf("Finished parsing %v jobs\n", len(jobList))

	jobs := make(chan *cfgJob, len(jobList))
	results := make(chan *cfgJobResult, len(jobList))

	for j := 0; j < len(jobList); j++ {
		jobs <- jobList[j]
	}
	close(jobs)
	fmt.Printf("Closing jobs\n")

	for i := 0; i < numWorkers; i++ {
		go func(id int) {
			for job := range jobs {
				enc := hex.EncodeToString(job.code)
				cmd := exec.Command("./build/bin/hack",
					"--action", "cfg",
					"--mode", "worker",
					"--quiet",
					"--bytecode", enc)

				metrics := vm.CfgMetrics{}
				out, oerr := cmd.Output()
				if oerr == nil {
					lines := strings.Split(string(out), "\n")
					merr := json.Unmarshal([]byte(lines[len(lines)-1]), &metrics)
					if merr != nil {
						fmt.Printf("Output:\n")
						fmt.Printf("%v\n", string(out))
						fmt.Printf("Bytecode:\n")
						fmt.Printf("%v %v\n", id, hex.EncodeToString(job.code))
						panic(merr)
					}
				} else {
					fmt.Println("Warning: Could not get output for " + hex.EncodeToString(job.code))
				}
				results <- &cfgJobResult{job, &metrics}
			}
		}(i)
	}

	current := time.Now()
	timestamp := current.Format("2006-01-02_15-04-05")
	filename := fmt.Sprintf("results_%v.csv", timestamp)
	fmt.Printf("Writing results to %v\n", filename)
	resultsFile, err := os.Create(filename)
	check(err)
	headers := []string{"TxCount",
		"BytecodeLen",
		"Valid",
		"BadJumpReason",
		"StackCountLimitReached",
		"ShortStack",
		"Timeout",
		"OOM",
		"Elapsed (ms)",
		"MemUsed (MB)",
		"Checker",
		"ProofSize (bytes)",
		"Bytecode"}
	_, err = resultsFile.WriteString(strings.Join(headers, "|") + "\n")
	check(err)
	err = resultsFile.Sync()
	check(err)

	eval := CfgEval{numPrograms: 191400}
	//numJobs := len(jobList)
	numJobs := len(jobList)
	for j := 0; j < numJobs; j++ {
		result := <-results

		line := []string{si(result.job.txcnt),
			si(len(result.job.code)),
			sb(result.metrics.Valid),
			result.metrics.GetBadJumpReason(),
			sb(result.metrics.StackCountLimitReached),
			sb(result.metrics.ShortStack),
			sb(result.metrics.Timeout),
			sb(result.metrics.OOM),
			si64(result.metrics.Time.Milliseconds()),
			sui64(result.metrics.MemUsedMBs),
			sb(result.metrics.Checker),
			si(result.metrics.ProofSizeBytes),
			hex.EncodeToString(result.job.code)}

		_, err = resultsFile.WriteString(strings.Join(line, "|") + "\n")
		check(err)

		err = resultsFile.Sync()
		check(err)

		eval.update(result, 1)

		if eval.numProgramsAnalyzed%10 == 0 {
			eval.printStats()
		}
	}
}

func si64(n int64) string {
	return fmt.Sprintf("%v", n)
}

func sui64(n uint64) string {
	return fmt.Sprintf("%v", n)
}

/*
func cfg0Test0() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x1, 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}

func cfg0Test1() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x2, byte(vm.PUSH1), 0x0, byte(vm.JUMP), 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}

func dfTest0() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x2, byte(vm.PUSH1), 0x0, 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}

func dfTest1() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x2, byte(vm.PUSH1), 0x0, byte(vm.JUMP), 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}

func dfTest2() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x2, byte(vm.PUSH1), 0x6, byte(vm.JUMP), 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}

func dfTest3() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.JUMP), 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}
//should fail to find concrete jump
func absIntTest1() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.JUMP), 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}

//should fail to find concrete jump
func absIntTest2() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x0, byte(vm.JUMP), 0x0}
	vm.AbsIntCfgHarness(contract, 0, 64)
}

func absIntTest3() {
	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, false)
	contract.Code = []byte{byte(vm.PUSH1), 0x1,
		byte(vm.PUSH1), 0x55,
		byte(vm.MLOAD),
		byte(vm.LT),
		byte(vm.PUSH1), 0x0, //jump destination
		byte(vm.JUMPI),
		byte(vm.STOP)}
	vm.AbsIntCfgHarness(contract, 0, 64)
}
*/

func absIntAndJumpImprecision() {
	const s = "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"
	runCfgAnly("AndJumpImprecision00", s)
}

//17891 transactions, 588 bytecode len
func absIntTestSmallImprecision2() {
	const s = "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"
	runCfgAnly("SmallImprecision02", s)
}

func absIntTestSmallImprecision() {
	const s = "5b7355173aca573ab872c570056d929d89f6babc3fb53156"
	runCfgAnly("SmallImprecision01", s)

}

func absIntTestSmallInvalidJumpDest() {
	const s = "60606040526008565b600256"
	runCfgAnly("SmallInvalidJumpDest", s)
}

/*
func absIntTestSmall00() {
	const s = "3360601c62c90bc318585733ff"
	runCfgAnly("Small00", s)

}*/

func absIntTestPanic00() {

	const s = "366000803761100060003660007302d808ee97204b6f2463c2f4af478ee5c9f1b4e95af43d6000803e80600081146053573d6000f35b3d6000fd"
	runCfgAnly("Panic00", s)
}

func absIntTestSimple00() {
	/*
		pragma solidity ^0.6.0;
		contract simple00 {
		    function execute() public returns (uint) {
		        return 5;
		    }
		}
	*/
	const s = "6080604052348015600f57600080fd5b506004361060285760003560e01c80636146195414602d575b600080fd5b60336049565b6040518082815260200191505060405180910390f35b6000600590509056fea2646970667358221220e2d6ab235a595eb0ea85f8cc9c54b34e1b4fb7b8f0446851d77e72e6d973b15364736f6c634300060c0033"
	runCfgAnly("Simple00", s)
}

func absIntTestDiv00() {
	/*
		pragma solidity ^0.6.0;
		contract div00 {
		    function execute(uint i) pure public returns (uint) {
		        return 3 / i;
		    }
		}
	*/
	const s = "6080604052348015600f57600080fd5b506004361060285760003560e01c8063fe0d94c114602d575b600080fd5b605660048036036020811015604157600080fd5b8101908080359060200190929190505050606c565b6040518082815260200191505060405180910390f35b600081600381607757fe5b04905091905056fea2646970667358221220b094fe68fc0d94f35a01aa902290c8244fecb2ad6d1e773d7be369553fd8d48264736f6c63430006060033"
	runCfgAnly("Div00", s)
}

func absIntTestRequires00() {
	/*
		pragma solidity 0.4.24;
		contract requires00 {
			function execute(uint256 a0) public returns (address) {
				require(a0 > 0);
				return 5;
			}
		}
	*/
	const s = "608060405260043610603f576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff168063fe0d94c1146044575b600080fd5b348015604f57600080fd5b50606c6004803603810190808035906020019092919050505060ae565b604051808273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b6000808211151560bd57600080fd5b600590509190505600a165627a7a723058206e2f5feea3d6988c01bdd0e633ee0b3ee25e22144b361f39e79d525ce072ae7b0029"
	runCfgAnly("Requires00", s)
}

func absIntTestCall01() {
	/*
		pragma solidity 0.5.0;
		contract call01 {
		    uint public nonce;

		    function execute(bool condition, uint gasLimit, uint value, bytes memory data, address destination) public {
		        require(condition);
		        nonce = nonce + 1;
		        bool success = false;
		        assembly { success := call(gasLimit, destination, value, add(data, 0x20), mload(data), 0, 0) }
		        require(success);
		    }
		}
	*/
	const s = "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"
	runCfgAnly("Call01", s)
}

func absIntTestEcrecoverLoop02() {
	/*
		pragma solidity 0.5.0;
		contract ecrecoverloop02 {
		    function execute(bytes32 hash, bytes memory data,
		                     uint8[2] memory sigV, bytes32[2] memory sigR, bytes32[2] memory sigS) pure public {
		        for (uint i = 0; i < 2; i++) {
		            address recovered = ecrecover(hash, sigV[i], sigR[i], sigS[i]);
		            require(recovered > address(0));
		        }
		    }
		}
	*/
	const s = "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"
	runCfgAnly("EcrecoverLoop02", s)
}

func absIntTestStorageVar03() {
	/*
		pragma solidity 0.5.0;
		contract storagevar03 {
		    uint private n;

		    function execute() public returns(uint) {
		        n = 5;
		        require(false);
		    }
		}
	*/
	const s = "608060405260043610603f576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff16806361461954146044575b600080fd5b348015604f57600080fd5b506056606c565b6040518082815260200191505060405180910390f35b6000600560008190555060001515608257600080fd5b9056fea165627a7a723058206c2e2e763fa3e914d5806ac22d4cf3bd0ff53cd57740965d5e5d05934668a9110029"
	runCfgAnly("StorageVar03", s)
}

func absIntTestStaticLoop00() {
	/*
		pragma solidity 0.5.0;
		contract staticloop00 {
		    function execute(uint a0) pure external returns(uint256) {
		        uint sum = a0;
		        require (a0 < 10);
		        for (uint i = 0; i < 3; i++) {
		            sum += i;
		        }
		        return sum;
		    }
		}
	*/
	const s = "608060405260043610603f576000357c0100000000000000000000000000000000000000000000000000000000900463ffffffff168063fe0d94c1146044575b600080fd5b348015604f57600080fd5b50607960048036036020811015606457600080fd5b8101908080359060200190929190505050608f565b6040518082815260200191505060405180910390f35b600080829050600a8310151560a357600080fd5b60008090505b600381101560c2578082019150808060010191505060a9565b508091505091905056fea165627a7a72305820e9eae4d836605e8f28df860b8f590e6cd933ddcbf111d99767c764aa99f093900029"
	runCfgAnly("StaticLoop00", s)
}

func runCfgAnly(testName string, code string) {
	decoded, derr := hex.DecodeString(code)
	if derr != nil {
		log.Fatal(derr)
	}

	metrics := vm.CfgMetrics{}
	cfg, err := vm.GenCfg(decoded, 0, maxStackLen, maxStackCount, &metrics)
	cfg.PrintAnlyState()
	if !cfg.Metrics.Valid || err != nil {
		fmt.Printf("Test failed: %v %v\n", testName, err)
		fmt.Printf("Bad jump reason: %v\n", cfg.Metrics.GetBadJumpReason())
		fmt.Printf("# bad jumps: %v\n", len(cfg.BadJumps))
	} else {
		fmt.Printf("Test passed: %v Covered=%v Instructions=%v Uncovered=%v Epilogue=%v\n",
			testName,
			cfg.GetCoverageStats().Covered,
			cfg.GetCoverageStats().Instructions,
			cfg.GetCoverageStats().Uncovered,
			cfg.GetCoverageStats().Epilogue)

		proof := cfg.GenerateProof()

		cfg.ProofSerialized = proof.Serialize()
		fmt.Printf("Proof:\n%+v\n", string(cfg.ProofSerialized))

		dproof := vm.DeserializeCfgProof(cfg.ProofSerialized)

		check := vm.CheckCfg(decoded, dproof)
		if check {
			fmt.Printf("Proof checker successfully checked proof")
		} else {
			fmt.Printf("Proof checker failed to check proof")
		}
	}
}

func absIntTestStaticLoop01() {
	/*
		pragma solidity 0.5.0;
		contract staticloop00 {
		    function execute(uint a0) pure external returns(uint256) {
		        uint sum = a0;
		        for (uint i = 0; i < 1; i++) {
		            sum += i;
		        }
		        return sum;
		    }
		}
	*/
	const s = "6080604052348015600f57600080fd5b506004361060285760003560e01c8063fe0d94c114602d575b600080fd5b605660048036036020811015604157600080fd5b8101908080359060200190929190505050606c565b6040518082815260200191505060405180910390f35b60008082905060008090505b6001811015609157808201915080806001019150506078565b508091505091905056fea26469706673582212206a12d74a991e3b9cbf04e5abed951fe8a0042780f7a9fe889fd798624b44be1264736f6c63430006060033"
	runCfgAnly("StaticLoop01", s)
}

func absIntTestPrivateFunction01() {
	/*
		pragma solidity ^0.6.6;
		contract PrivateFunction {
			function f(uint a0) pure private {
				require (a0 < 10);
			}
			function execute(uint a0) pure external returns(uint256) {
			   f(a0);
			   a0 = a0 + 1;
			   f(a0);
			}
		}
	*/
	const s = "6080604052348015600f57600080fd5b506004361060285760003560e01c8063fe0d94c114602d575b600080fd5b605660048036036020811015604157600080fd5b8101908080359060200190929190505050606c565b6040518082815260200191505060405180910390f35b60006075826087565b6001820191506082826087565b919050565b600a8110609357600080fd5b5056fea26469706673582212201621427408bf92a9a07dd10d32e63a8421461a0778eeaba88b9fd84e3769b5ca64736f6c63430006060033"
	runCfgAnly("PrivateFunction01", s)
}

func absIntTestPrivateFunction02() {
	/*
		pragma solidity 0.6.12;
		contract DepositContract {
			function get_deposit_root(bytes32 node) external view returns (uint64) {
				return to_little_endian_64();
			}
			function get_deposit_count() external view returns (uint64) {
				return to_little_endian_64();
			}
			function to_little_endian_64() internal pure returns (uint64) {
				return 15;
			}
		}
	*/
	const s = "6080604052348015600f57600080fd5b506004361060325760003560e01c8063621fd130146037578063da36c6a314605d575b600080fd5b603d60a6565b604051808267ffffffffffffffff16815260200191505060405180910390f35b608660048036036020811015607157600080fd5b810190808035906020019092919050505060b3565b604051808267ffffffffffffffff16815260200191505060405180910390f35b600060ae60c2565b905090565b600060bb60c2565b9050919050565b6000600f90509056fea264697066735822122002e819f5f340845231359a0b3bc4134fb1daff9c5397e4c6d3101e54d0cdee0b64736f6c634300060c0033"
	runCfgAnly("PrivateFunction02", s)
}

func absIntTestDepositContract() {
	const s = "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"
	runCfgAnly("tDepositContract", s)
}

func absIntTestDepositContract2() {
	const s = "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"
	runCfgAnly("DepositContract2", s)
}

/////////////////////////////////////////////////////

type dummyAccount struct{}

func (dummyAccount) SubBalance(amount *big.Int)                          {}
func (dummyAccount) AddBalance(amount *big.Int)                          {}
func (dummyAccount) SetAddress(common.Address)                           {}
func (dummyAccount) Value() *big.Int                                     { return nil }
func (dummyAccount) SetBalance(*big.Int)                                 {}
func (dummyAccount) SetNonce(uint64)                                     {}
func (dummyAccount) Balance() *big.Int                                   { return nil }
func (dummyAccount) Address() common.Address                             { return common.Address{} }
func (dummyAccount) ReturnGas(*big.Int)                                  {}
func (dummyAccount) SetCode(common.Hash, []byte)                         {}
func (dummyAccount) ForEachStorage(cb func(key, value common.Hash) bool) {}

/*
func testGenCfg() error {
	env := vm.NewEVM(vm.Context{BlockNumber: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig,
		vm.Config{
			EVMInterpreter: "SaInterpreter",
		}, nil)

	contract := vm.NewContract(dummyAccount{}, dummyAccount{}, uint256.NewInt(), 10000, vm.NewDestsCache(50000))
	contract.Code = []byte{byte(vm.PUSH1), 0x1, byte(vm.PUSH1), 0x1, 0x0}
	//contract.Code = []byte{byte(vm.ADD), 0x1, 0x1, 0x0}

	jt := newIstanbulInstructionSet()
	vm.ToCfg0(contract)
	//_, err := env.Interpreter().Run(contract, []byte{}, false)
	if err != nil {
		return err
	}

	print("Done")
	return nil
}*/

type CfgEval struct {
	numProgramsPassed    int
	numPanic             int
	numAnlyCounterLimit  int
	numShortStack        int
	numStackLimitReached int
	numProgramsAnalyzed  int
	numUnresolved        int
	numLowCoverage       int
	numImprecision       int
	numInvalidOpcode     int
	numInvalidJumpDest   int
	numPrograms          int
	numAddressesPassed   int
	numAddressesAnalyzed int
	numTimeouts          int
	numOOM               int
	numCheckerFailed     int
	maxProofSizeBytes    int
}

func (eval *CfgEval) printStats() {
	fmt.Printf("ProgramsPass=%v ProgramsAnalyzed=%v Programs=%v ProgramsPassRate=%v Timeouts=%v Panic=%v CounterLimit=%v ShortStack=%v StackCountLimit=%v Unresolved=%v Imprecision=%v InvalidOp=%v InvalidJumpDest=%v DeadCode=%v OOM=%v CheckerFailed=%v MaxProofSize=%v\n",
		eval.numProgramsPassed,
		eval.numProgramsAnalyzed,
		eval.numPrograms,
		percent(eval.numProgramsPassed, eval.numProgramsAnalyzed),
		eval.numTimeouts,
		eval.numPanic,
		eval.numAnlyCounterLimit,
		eval.numShortStack,
		eval.numStackLimitReached,
		eval.numUnresolved,
		eval.numImprecision,
		eval.numInvalidOpcode,
		eval.numInvalidJumpDest,
		eval.numLowCoverage,
		eval.numOOM,
		eval.numCheckerFailed,
		eval.maxProofSizeBytes)
}

func (eval *CfgEval) update(result *cfgJobResult, count int) {
	eval.numProgramsAnalyzed++
	eval.numAddressesAnalyzed += count
	if result.metrics.Timeout {
		eval.numTimeouts++
		return
	}

	if result.metrics.OOM {
		eval.numOOM++
		return
	}

	metrics := result.metrics

	if metrics.Valid {
		eval.numProgramsPassed++
		eval.numAddressesPassed += count
	}
	if metrics.Panic {
		eval.numPanic++
	}
	if metrics.AnlyCounterLimit {
		eval.numAnlyCounterLimit++
	}
	if metrics.ShortStack {
		eval.numShortStack++
	}
	if metrics.StackCountLimitReached {
		eval.numStackLimitReached++
	}
	if metrics.Unresolved {
		eval.numUnresolved++
	}
	if metrics.LowCoverage {
		eval.numLowCoverage++
	}
	if metrics.BadJumpImprecision {
		eval.numImprecision++
	}
	if metrics.BadJumpInvalidOp {
		eval.numInvalidOpcode++
	}
	if metrics.BadJumpInvalidJumpDest {
		eval.numInvalidJumpDest++
	}
	if metrics.CheckerFailed {
		eval.numCheckerFailed++
	}
	if eval.maxProofSizeBytes < metrics.ProofSizeBytes {
		eval.maxProofSizeBytes = metrics.ProofSizeBytes
	}
}

type cfgJob struct {
	txcnt int
	code  []byte
}

type cfgJobResult struct {
	job     *cfgJob
	metrics *vm.CfgMetrics
}

func sb(b bool) string {
	return fmt.Sprintf("%v", b)
}

func si(i int) string {
	return fmt.Sprintf("%v", i)
}

func percent(n int, d int) string {
	return fmt.Sprintf("%v%v", n*1000/d/10, "%")
}