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/loops/for_infinite_loop_2.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/loops/for_infinite_loop_2.c" (CPAchecker.parse, INFO) line 27: Dead code detected: __VERIFIER_assert(x!=0); (CFACreationUtils.addEdgeToCFA, 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) Warning: Analysis 1 stopped. (The CPU-time limit of 140s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 1 of 7 =============================== Total time for algorithm 1: 137.009s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 4.37 (sum: 500490, count: 114401, min: 0, max: 5) Number of global variables per state: 0.00 (sum: 0, count: 114401, min: 0, max: 0) Number of assumptions: 57198 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 114400 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.086s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 114398 (count: 114400, min: 0, max: 1, avg: 1.00) Symbolic values after refinement: 114398 (count: 114400, min: 0, max: 1, avg: 1.00) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.004s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 0.127s Time for SMT check: 0.003s Time for resolving definites: 0.002s Cache lookups: 28600 Direct cache hits: 28597 Direct cache lookup time: 0.014s Number of removed outdated constraints: 0 (count: 14301, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 0.159s Constraints after refinement in state: 114398 (count: 114400, min: 0, max: 1, avg: 1.00) Constraints before refinement in state: 114398 (count: 114400, min: 0, max: 1, avg: 1.00) Time for constraints adjustment: 0.067s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.110s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 114412, count: 114412, min: 1, max: 1) [1 x 114412] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 114400 Max size of waitlist: 2 Average size of waitlist: 1 Number of computed successors: 114400 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 136.867s (Max: 136.867s) Time for choose from waitlist: 0.020s Time for precision adjustment: 0.426s Time for transfer relation: 1.626s Time for stop operator: 134.501s Time for adding to reached set: 0.145s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 114400 Max size of waitlist: 2 Average size of waitlist: 1 Number of computed successors: 114400 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 136.867s (Max: 136.867s) Time for choose from waitlist: 0.020s Time for precision adjustment: 0.426s Time for transfer relation: 1.626s Time for stop operator: 134.501s Time for adding to reached set: 0.145s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 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) 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: 0.5000 Requires alias handling: 0 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: 0.0000 Program containing external functions: true Number of all righthand side functions: 5 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 7 Number of algorithms used: 2 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-valueAnalysis-Cegar.properties Total time for algorithm 2: 0.069s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 1.00 (sum: 15, count: 15, min: 0, max: 2) Number of global variables per state: 0.00 (sum: 0, count: 15, min: 0, max: 0) Number of assumptions: 10 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 32 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.000s 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: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 56, count: 56, min: 1, max: 1) [1 x 56] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 30 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 32 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2 Number of times breaked: 1 Total time for CPA algorithm: 0.008s (Max: 0.006s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.000s Time for transfer relation: 0.006s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.014s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.001s Number of interpolations: 1 Number of interpolation queries: 10 (count: 9, min: 0, max: 3, avg: 1.11) Size of interpolant: 0.78 (sum: 7, count: 9, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.004s Selecting infeasible sliced prefixes: 0.002s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 17 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 17.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.032s Time for refinements: 0.024s Average time for refinement: 0.024s Max time for refinement: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 30 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 32 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2 Number of times breaked: 1 Total time for CPA algorithm: 0.008s (Max: 0.006s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.000s Time for transfer relation: 0.006s Time for stop operator: 0.000s Time for adding to reached set: 0.000s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.014s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 1 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.001s Number of interpolations: 1 Number of interpolation queries: 10 (count: 9, min: 0, max: 3, avg: 1.11) Size of interpolant: 0.78 (sum: 7, count: 9, min: 0, max: 1) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.004s Selecting infeasible sliced prefixes: 0.002s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 1 Number of failed refinements: 0 Max. size of reached set before ref.: 17 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 17.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.032s Time for refinements: 0.024s Average time for refinement: 0.024s Max time for refinement: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 44 Number of CFA edges (per node): 40 (count: 44, min: 0, max: 2, avg: 0.91) Number of relevant variables: 6 Number of functions: 4 Number of loops (and loop nodes): 1 (sum: 4, min: 4, max: 4, avg: 4.00) Size of reached set: 15 Number of reached locations: 15 (34%) Avg states per location: 1 Max states per location: 1 (at node N10) Number of reached functions: 2 (50%) Number of target states: 0 Time for analysis setup: 0.844s Time for loading CPAs: 0.275s Time for loading parser: 0.145s Time for CFA construction: 0.400s Time for parsing file(s): 0.193s Time for AST to CFA: 0.109s Time for CFA sanity check: 0.000s Time for post-processing: 0.064s Time for loop structure: 0.004s Time for AST structure: 0.000s Time for function pointers resolving: 0.002s 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: 0.037s Time for collecting variables: 0.020s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.017s Time for exporting data: 0.000s Time for Analysis: 137.175s CPU time for analysis: 140.820s Time for analyzing result: 0.000s Total time for CPAchecker: 138.020s Total CPU time for CPAchecker: 142.450s Time for statistics: 0.022s Time for Garbage Collector: 0.971s (in 150 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (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:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".