cpachecker/bin/cpachecker --svcomp24 --heap 10000M --benchmark --option cpa.arg.yamlProofWitness=witness-%s.yml --option witness.yamlexporter.witnessVersions=V2d1,V2 --timelimit 900s --stats --spec sv-benchmarks/c/properties/unreach-call.prp --32 sv-benchmarks/c/verifythis/duplets.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/verifythis/duplets.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu' has two values '900s' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties': 'limits.time.cpu::required' has two values '900' and '140s'. Using '140s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 140s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-symbolicExecution.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Warning: Analysis 1 not completed. (Error path found, but identified as infeasible by counterexample check with CPACHECKER.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:CounterexampleCheckAlgorithm.run, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 1.081s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 7.64 (sum: 1115, count: 146, min: 0, max: 10) Number of global variables per state: 0.00 (sum: 0, count: 146, min: 0, max: 0) Number of assumptions: 98 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 149 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.006s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 760 (count: 149, min: 0, max: 9, avg: 5.10) Symbolic values after refinement: 760 (count: 149, min: 0, max: 9, avg: 5.10) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 0.170s Time for SMT check: 0.038s Time for resolving definites: 0.032s Cache lookups: 74 Direct cache hits: 44 Direct cache lookup time: 0.001s Number of removed outdated constraints: 0 (count: 62, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 0.017s Constraints after refinement in state: 1081 (count: 149, min: 0, max: 13, avg: 7.26) Constraints before refinement in state: 1081 (count: 149, min: 0, max: 13, avg: 7.26) Time for constraints adjustment: 0.008s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.014s Automaton transfers with branching: 0 Automaton transfer successors: 0.96 (sum: 189, count: 196, min: 0, max: 1) [0 x 7, 1 x 189] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 139 Max size of waitlist: 7 Average size of waitlist: 3 Number of computed successors: 149 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 4 Number of times breaked: 1 Total time for CPA algorithm: 0.318s (Max: 0.318s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.037s Time for transfer relation: 0.268s Time for stop operator: 0.009s Time for adding to reached set: 0.002s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.601s CPA algorithm statistics ------------------------ Number of iterations: 139 Max size of waitlist: 7 Average size of waitlist: 3 Number of computed successors: 149 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 4 Number of times breaked: 1 Total time for CPA algorithm: 0.318s (Max: 0.318s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.037s Time for transfer relation: 0.268s Time for stop operator: 0.009s Time for adding to reached set: 0.002s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.601s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Infeasible counterexample found, but could not remove it from the ARG. Therefore, we cannot prove safety. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, WARNING) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Error path found, starting counterexample check with CPACHECKER. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Another infeasible counterexample found which could not be removed from the ARG. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, INFO) Analysis 2 terminated, but result is unsound. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 1.752s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 2.48 (sum: 295, count: 119, min: 0, max: 5) Number of global variables per state: 0.00 (sum: 0, count: 119, min: 0, max: 0) Number of assumptions: 360 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 692 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.006s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.009s Automaton transfers with branching: 0 Automaton transfer successors: 0.97 (sum: 895, count: 923, min: 0, max: 1) [0 x 28, 1 x 895] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 625 Max size of waitlist: 4 Average size of waitlist: 1 Number of computed successors: 692 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 49 Number of times breaked: 16 Total time for CPA algorithm: 0.134s (Max: 0.031s) Time for choose from waitlist: 0.009s Time for precision adjustment: 0.019s Time for transfer relation: 0.072s Time for stop operator: 0.009s Time for adding to reached set: 0.013s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 16 Number of targets found: 16 (count: 16, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.167s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 6 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.013s Number of interpolations: 6 Number of interpolation queries: 25 (count: 236, min: 0, max: 2, avg: 0.11) Size of interpolant: 0.08 (sum: 19, count: 236, min: 0, max: 1) Number of sliced prefixes: 11 (count: 6, min: 1, max: 3, avg: 1.83) Extracting infeasible sliced prefixes: 0.027s Selecting infeasible sliced prefixes: 0.004s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 16 Number of successful refinements: 6 Number of failed refinements: 0 Max. size of reached set before ref.: 121 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 94.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.346s Time for refinements: 0.212s Average time for refinement: 0.013s Max time for refinement: 0.050s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 10 Number of infeasible paths: 10 (100%) Time for counterexample checks: 1.356s CPA algorithm statistics ------------------------ Number of iterations: 625 Max size of waitlist: 4 Average size of waitlist: 1 Number of computed successors: 692 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 49 Number of times breaked: 16 Total time for CPA algorithm: 0.134s (Max: 0.031s) Time for choose from waitlist: 0.009s Time for precision adjustment: 0.019s Time for transfer relation: 0.072s Time for stop operator: 0.009s Time for adding to reached set: 0.013s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 16 Number of targets found: 16 (count: 16, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.167s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 6 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.013s Number of interpolations: 6 Number of interpolation queries: 25 (count: 236, min: 0, max: 2, avg: 0.11) Size of interpolant: 0.08 (sum: 19, count: 236, min: 0, max: 1) Number of sliced prefixes: 11 (count: 6, min: 1, max: 3, avg: 1.83) Extracting infeasible sliced prefixes: 0.027s Selecting infeasible sliced prefixes: 0.004s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 16 Number of successful refinements: 6 Number of failed refinements: 0 Max. size of reached set before ref.: 121 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 94.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.346s Time for refinements: 0.212s Average time for refinement: 0.013s Max time for refinement: 0.050s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 10 Number of infeasible paths: 10 (100%) Time for counterexample checks: 1.356s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 3 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu' has two values '900s' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '200s'. Using '200s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 200s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant) and JFactory 1.21. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with PredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties:PredicateCPA:PredicateCPARefiner., INFO) Starting analysis 3 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 3 not completed. (Refinement failed: Interpolation failed in solver MATHSAT5 with message 'splitting of AB-mixed terms not supported'.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RefinementFailedException.forInterpolationFailureInSolver, WARNING) Statistics for algorithm 3 of 7 =============================== Total time for algorithm 3: 0.692s PredicateCPA statistics ----------------------- Number of abstractions: 50 (11% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 40 (80%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 10 (20%) Times precision was empty: 13 (26%) Times precision was {false}: 8 (16%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 29 (58%) Times result was 'false': 8 (16%) Number of strengthen sat checks: 0 Number of coverage checks: 154 BDD entailment checks: 130 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 40 Avg ABE block size: 6.62 (sum: 331, count: 50, min: 2, max: 40) Number of predicates discovered: 9 Number of abstraction locations: 3 Max number of predicates per location: 6 Avg number of predicates per location: 4 Total predicates per abstraction: 135 Max number of predicates per abstraction: 6 Avg number of predicates per abstraction: 3.65 Number of irrelevant predicates: 20 (15%) Number of preds handled by boolean abs: 115 (85%) Total number of models for allsat: 61 Max number of models for allsat: 8 Avg number of models for allsat: 2.10 Time for post operator: 0.036s Time for path formula creation: 0.035s Time for strengthen operator: 0.000s Time for prec operator: 0.210s Time for abstraction: 0.203s (Max: 0.019s, Count: 50) Boolean abstraction: 0.148s Solving time: 0.092s (Max: 0.014s) Model enumeration time: 0.049s Time for BDD construction: 0.008s (Max: 0.001s) Time for merge operator: 0.005s Time for coverage checks: 0.020s Time for BDD entailment checks: 0.020s Total time for SMT solver (w/o itp): 0.141s Number of path formula cache hits: 220 (47%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.035s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 414 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 462, min: 0, max: 0) Time for BDD node cleanup: 0.000s Time for BDD garbage collection: 0.000s (in 0 runs) KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.009s Automaton transfers with branching: 0 Automaton transfer successors: 0.98 (sum: 439, count: 447, min: 0, max: 1) [0 x 8, 1 x 439] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 315 Max size of waitlist: 13 Average size of waitlist: 4 ReversePostorderSortedWaitlist: 0.35 (sum: 40, count: 115, min: 0, max: 27) CallstackSortedWaitlist: 93.60 (sum: 468, count: 5, min: 27, max: 200) Number of computed successors: 372 Max successors for one state: 2 Number of times merged: 12 Number of times stopped: 25 Number of times breaked: 5 Total time for CPA algorithm: 0.308s (Max: 0.162s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.212s Time for transfer relation: 0.057s Time for merge operator: 0.026s Time for stop operator: 0.005s Time for adding to reached set: 0.000s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.015s Time for path feasibility check: 0.009s Time for predicate extraction from CFA: 0.005s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 4 Avg. length of target path (in blocks): 4.75 (sum: 19, count: 4, min: 2, max: 7) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.301s Path-formulas extraction: 0.000s Counterexample analysis: 0.299s (Max: 0.225s, Calls: 5) Refinement sat check: 0.219s Interpolant computation: 0.009s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.002s Precision update: 0.003s ARG update: 0.000s Length of refined path (in blocks): 3.33 (sum: 10, count: 3, min: 2, max: 4) Number of affected states: 7 (count: 3, min: 1, max: 3, avg: 2.33) Length (states) of path with itp 'true': 0 (count: 3, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 7 (count: 3, min: 1, max: 3, avg: 2.33) Length (states) of path with itp 'false': 1 (count: 3, min: 0, max: 1, avg: 0.33) Different non-trivial interpolants along paths: 3 (count: 3, min: 0, max: 2, avg: 1.00) Equal non-trivial interpolants along paths: 1 (count: 3, min: 0, max: 1, avg: 0.33) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 5 Number of successful refinements: 4 Number of failed refinements: 1 Max. size of reached set before ref.: 162 Max. size of reached set after ref.: 49 Avg. size of reached set before ref.: 97.60 Avg. size of reached set after ref.: 37.00 Total time for CEGAR algorithm: 0.625s Time for refinements: 0.317s Average time for refinement: 0.063s Max time for refinement: 0.226s CPA algorithm statistics ------------------------ Number of iterations: 315 Max size of waitlist: 13 Average size of waitlist: 4 ReversePostorderSortedWaitlist: 0.35 (sum: 40, count: 115, min: 0, max: 27) CallstackSortedWaitlist: 93.60 (sum: 468, count: 5, min: 27, max: 200) Number of computed successors: 372 Max successors for one state: 2 Number of times merged: 12 Number of times stopped: 25 Number of times breaked: 5 Total time for CPA algorithm: 0.308s (Max: 0.162s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.212s Time for transfer relation: 0.057s Time for merge operator: 0.026s Time for stop operator: 0.005s Time for adding to reached set: 0.000s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.015s Time for path feasibility check: 0.009s Time for predicate extraction from CFA: 0.005s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 4 Avg. length of target path (in blocks): 4.75 (sum: 19, count: 4, min: 2, max: 7) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.301s Path-formulas extraction: 0.000s Counterexample analysis: 0.299s (Max: 0.225s, Calls: 5) Refinement sat check: 0.219s Interpolant computation: 0.009s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.002s Precision update: 0.003s ARG update: 0.000s Length of refined path (in blocks): 3.33 (sum: 10, count: 3, min: 2, max: 4) Number of affected states: 7 (count: 3, min: 1, max: 3, avg: 2.33) Length (states) of path with itp 'true': 0 (count: 3, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 7 (count: 3, min: 1, max: 3, avg: 2.33) Length (states) of path with itp 'false': 1 (count: 3, min: 0, max: 1, avg: 0.33) Different non-trivial interpolants along paths: 3 (count: 3, min: 0, max: 2, avg: 1.00) Equal non-trivial interpolants along paths: 1 (count: 3, min: 0, max: 1, avg: 0.33) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 5 Number of successful refinements: 4 Number of failed refinements: 1 Max. size of reached set before ref.: 162 Max. size of reached set after ref.: 49 Avg. size of reached set before ref.: 97.60 Avg. size of reached set after ref.: 37.00 Total time for CEGAR algorithm: 0.625s Time for refinements: 0.317s Average time for refinement: 0.063s Max time for refinement: 0.226s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 4 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties': 'limits.time.cpu' has two values '900s' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties': 'limits.time.cpu::required' has two values '900' and '60s'. Using '60s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 60s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-dataFlow.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 4 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Warning: Analysis 4 stopped. (The CPU-time limit of 60s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 4 of 7 =============================== Total time for algorithm 4: 50.231s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.719s Time for transition matches: 0.429s Time for transition assertions: 0.000s Time for transition actions: 0.000s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1318361, count: 1318378, min: 0, max: 1) [0 x 17, 1 x 1318361] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 1054726 Max size of waitlist: 9 Average size of waitlist: 6 ReversePostorderSortedWaitlist: 54.00 (sum: 54, count: 1, min: 54, max: 54) Number of computed successors: 1318361 Max successors for one state: 2 Number of times merged: 1318130 Number of times stopped: 1318130 Number of times breaked: 0 Total time for CPA algorithm: 50.133s (Max: 50.133s) Time for choose from waitlist: 0.211s Time for precision adjustment: 0.907s Time for transfer relation: 20.107s Time for merge operator: 25.350s Time for stop operator: 2.436s Time for adding to reached set: 0.001s CPA algorithm statistics ------------------------ Number of iterations: 1054726 Max size of waitlist: 9 Average size of waitlist: 6 ReversePostorderSortedWaitlist: 54.00 (sum: 54, count: 1, min: 54, max: 54) Number of computed successors: 1318361 Max successors for one state: 2 Number of times merged: 1318130 Number of times stopped: 1318130 Number of times breaked: 0 Total time for CPA algorithm: 50.133s (Max: 50.133s) Time for choose from waitlist: 0.211s Time for precision adjustment: 0.907s Time for transfer relation: 20.107s Time for merge operator: 25.350s Time for stop operator: 2.436s Time for adding to reached set: 0.001s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Loading analysis 5 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:ResourceLimitChecker.fromConfiguration, INFO) Using predicate analysis with MathSAT5 version 5.6.10 (9293adc746be) (May 31 2023 12:38:06, gmp 6.2.0, gcc 7.5.0, 64-bit, reentrant). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:PredicateCPA:PredicateCPA., INFO) Starting analysis 5 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Interpolation disabled because of Multi-loop programs are not supported, falling back to BMC (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:IMCAlgorithm.fallBackToBMC, WARNING) Induction check disabled because of Multi-loop programs are not supported, falling back to BMC (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:IMCAlgorithm.fallBackToBMC, WARNING) Adjusting maxLoopIterations to 2 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Adjusting maxLoopIterations to 3 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:LoopBoundCPA:LoopBoundPrecisionAdjustment.nextState, INFO) Error found, creating error path (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:AbstractBMCAlgorithm.analyzeCounterexample0, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties' because condition if-recursive did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties' because condition if-concurrent did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0000 Requires alias handling: 1 Requires loop handling: 1 Has a single loop: 1 Requires composite-type handling: 0 Requires array handling: 0 Requires float handling: 0 Requires recursion handling: 0 Relevant addressed vars / relevant vars ratio: 0.0690 Program containing external functions: true Number of all righthand side functions: 10 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 7 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 7: 0.593s PredicateCPA statistics ----------------------- Number of abstractions: 30 (8% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 10 (33%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 20 (67%) Times precision was empty: 30 (100%) Times precision was {false}: 0 (0%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 0 (0%) Times result was 'false': 0 (0%) Number of strengthen sat checks: 0 Number of coverage checks: 44 BDD entailment checks: 0 Number of SMT sat checks: 2 trivial: 0 cached: 0 Max ABE block size: 40 Avg ABE block size: 12.77 (sum: 383, count: 30, min: 2, max: 40) Number of predicates discovered: 0 Time for post operator: 0.028s Time for path formula creation: 0.028s Time for strengthen operator: 0.002s Time for prec operator: 0.001s Time for abstraction: 0.000s (Max: 0.000s, Count: 30) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for merge operator: 0.002s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.034s Total number of created targets for pointer analysis: 0 KeyValue statistics ------------------- Init. function predicates: 0 Init. global predicates: 0 Init. location predicates: 0 Invariant Generation statistics ------------------------------- Bounds CPA statistics --------------------- Bound k: 3 Maximum loop iteration reached: 4 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.003s Automaton transfers with branching: 0 Automaton transfer successors: 0.93 (sum: 326, count: 350, min: 0, max: 1) [0 x 24, 1 x 326] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 308 Max size of waitlist: 5 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.47 (sum: 92, count: 195, min: 0, max: 35) ReversePostorderSortedWaitlist: 0.10 (sum: 20, count: 203, min: 0, max: 18) LoopIterationSortedWaitlist: 0.43 (sum: 84, count: 195, min: 0, max: 35) CallstackSortedWaitlist: 63.33 (sum: 190, count: 3, min: 28, max: 113) Number of computed successors: 326 Max successors for one state: 2 Number of times merged: 22 Number of times stopped: 22 Number of times breaked: 0 Total time for CPA algorithm: 0.081s (Max: 0.029s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.008s Time for transfer relation: 0.057s Time for merge operator: 0.003s Time for stop operator: 0.001s Time for adding to reached set: 0.008s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.083s Time for final sat check: 0.254s Time for error-path creation: 0.015s Time for error-path post-processing: 0.119s Time for bounding assertions check: 0.036s Total number of computed interpolants: 0 Total number of interpolation calls: 0 Interpolating SMT solver statistics ----------------------------------- CPA algorithm statistics ------------------------ Number of iterations: 308 Max size of waitlist: 5 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.47 (sum: 92, count: 195, min: 0, max: 35) ReversePostorderSortedWaitlist: 0.10 (sum: 20, count: 203, min: 0, max: 18) LoopIterationSortedWaitlist: 0.43 (sum: 84, count: 195, min: 0, max: 35) CallstackSortedWaitlist: 63.33 (sum: 190, count: 3, min: 28, max: 113) Number of computed successors: 326 Max successors for one state: 2 Number of times merged: 22 Number of times stopped: 22 Number of times breaked: 0 Total time for CPA algorithm: 0.081s (Max: 0.029s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.008s Time for transfer relation: 0.057s Time for merge operator: 0.003s Time for stop operator: 0.001s Time for adding to reached set: 0.008s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.083s Time for final sat check: 0.254s Time for error-path creation: 0.015s Time for error-path post-processing: 0.119s Time for bounding assertions check: 0.036s Total number of computed interpolants: 0 Total number of interpolation calls: 0 Interpolating SMT solver statistics ----------------------------------- CPAchecker general statistics ----------------------------- Number of program locations: 109 Number of CFA edges (per node): 135 (count: 109, min: 0, max: 5, avg: 1.24) Number of relevant variables: 29 Number of functions: 6 Number of loops (and loop nodes): 1 (sum: 9, min: 9, max: 9, avg: 9.00) Size of reached set: 292 Number of reached locations: 100 (92%) Avg states per location: 2 Max states per location: 20 (at node N4) Number of reached functions: 6 (100%) Number of target states: 10 Time for analysis setup: 1.207s Time for loading CPAs: 0.388s Time for loading parser: 0.183s Time for CFA construction: 0.612s Time for parsing file(s): 0.296s Time for AST to CFA: 0.165s Time for CFA sanity check: 0.000s Time for post-processing: 0.102s Time for loop structure: 0.006s Time for AST structure: 0.000s Time for function pointers resolving: 0.003s Function calls via function pointers: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer calls: 0 (count: 1, min: 0, max: 0, avg: 0.00) Function calls with function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Time for classifying variables: 0.064s Time for collecting variables: 0.045s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.018s Time for exporting data: 0.000s Time for Analysis: 54.417s CPU time for analysis: 68.330s Time for analyzing result: 0.001s Total time for CPAchecker: 55.625s Total CPU time for CPAchecker: 70.640s Time for statistics: 0.026s Time for Garbage Collector: 0.342s (in 356 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: FALSE. Property violation (unreach-call: reach_error(); called in line 10) found by chosen configuration. There is currently no version 2.1 for Violation Witnesses. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-IMC.properties:ARGCPA:CounterexampleToWitness.export, INFO) More details about the verification run can be found in the directory "./output".