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/heavy-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/heavy-2.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--configselection-restart-valueAnalysis-fallbacks.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties': 'limits.time.cpu' has two values '900s' and '90'. Using '90'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties': 'limits.time.cpu::required' has two values '900' and '90s'. Using '90s'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 90s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Warning: Analysis 1 stopped. (The CPU-time limit of 90s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 1 of 5 =============================== Total time for algorithm 1: 86.985s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 4.00 (sum: 151260, count: 37820, min: 0, max: 4) Number of global variables per state: 0.00 (sum: 0, count: 37820, min: 0, max: 0) Number of assumptions: 50424 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 37819 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.056s 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: 0.086s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 50432, count: 50432, min: 1, max: 1) [1 x 50432] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 37819 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 37819 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 86.837s (Max: 86.837s) Time for choose from waitlist: 0.015s Time for precision adjustment: 0.164s Time for transfer relation: 1.173s Time for stop operator: 85.217s Time for adding to reached set: 0.061s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 37819 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 37819 Max successors for one state: 1 Number of times merged: 0 Number of times stopped: 0 Number of times breaked: 0 Total time for CPA algorithm: 86.837s (Max: 86.837s) Time for choose from waitlist: 0.015s Time for precision adjustment: 0.164s Time for transfer relation: 1.173s Time for stop operator: 85.217s Time for adding to reached set: 0.061s 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--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties': 'cpa.composite.aggregateBasicBlocks' has two values 'false' and 'true'. Using 'true'. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties:ResourceLimitChecker.fromConfiguration, INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-valueAnalysis-fallbacks.properties:RestartAlgorithm.run, 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--configselection-restart-valueAnalysis-fallbacks.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--configselection-restart-valueAnalysis-fallbacks.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--configselection-restart-valueAnalysis-fallbacks.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0000 Requires alias handling: 0 Requires loop handling: 1 Has a single loop: 0 Requires composite-type handling: 0 Requires array handling: 1 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: 3 Restart Algorithm statistics ---------------------------- Number of algorithms provided: 5 Number of algorithms used: 4 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 4: 0.102s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.84 (sum: 16, count: 19, min: 0, max: 1) Number of global variables per state: 0.00 (sum: 0, count: 19, min: 0, max: 0) Number of assumptions: 16 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 38 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: 59, count: 59, min: 1, max: 1) [1 x 59] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 34 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 38 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 3 Number of times breaked: 1 Total time for CPA algorithm: 0.017s (Max: 0.014s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.003s Time for transfer relation: 0.012s Time for stop operator: 0.001s 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: 0.016s 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: 3 (count: 5, min: 0, max: 1, avg: 0.60) Size of interpolant: 0.60 (sum: 3, count: 5, min: 0, max: 1) Number of sliced prefixes: 2 (count: 1, min: 2, max: 2, avg: 2.00) Extracting infeasible sliced prefixes: 0.005s 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.: 18 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 18.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.055s Time for refinements: 0.038s Average time for refinement: 0.038s Max time for refinement: 0.038s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 34 Max size of waitlist: 4 Average size of waitlist: 2 Number of computed successors: 38 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 3 Number of times breaked: 1 Total time for CPA algorithm: 0.017s (Max: 0.014s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.003s Time for transfer relation: 0.012s Time for stop operator: 0.001s 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: 0.016s 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: 3 (count: 5, min: 0, max: 1, avg: 0.60) Size of interpolant: 0.60 (sum: 3, count: 5, min: 0, max: 1) Number of sliced prefixes: 2 (count: 1, min: 2, max: 2, avg: 2.00) Extracting infeasible sliced prefixes: 0.005s 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.: 18 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 18.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 0.055s Time for refinements: 0.038s Average time for refinement: 0.038s Max time for refinement: 0.038s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPAchecker general statistics ----------------------------- Number of program locations: 41 Number of CFA edges (per node): 40 (count: 41, min: 0, max: 2, avg: 0.98) Number of relevant variables: 6 Number of functions: 2 Number of loops (and loop nodes): 3 (sum: 27, min: 4, max: 14, avg: 9.00) Size of reached set: 19 Number of reached locations: 19 (46%) Avg states per location: 1 Max states per location: 1 (at node N4) Number of reached functions: 1 (50%) Number of target states: 0 Time for analysis setup: 1.181s Time for loading CPAs: 0.382s Time for loading parser: 0.207s Time for CFA construction: 0.567s Time for parsing file(s): 0.282s Time for AST to CFA: 0.136s Time for CFA sanity check: 0.000s Time for post-processing: 0.108s Time for loop structure: 0.007s 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: 0.072s Time for collecting variables: 0.048s Time for solving dependencies: 0.001s Time for building hierarchy: 0.000s Time for building classification: 0.023s Time for exporting data: 0.000s Time for Analysis: 87.171s CPU time for analysis: 90.750s Time for analyzing result: 0.000s Total time for CPAchecker: 88.353s Total CPU time for CPAchecker: 93.070s Time for statistics: 0.035s Time for Garbage Collector: 0.529s (in 130 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--configselection-restart-valueAnalysis-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restartcomponent-valueAnalysis-itp-end.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".