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-crafted-1/sumt5.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-crafted-1/sumt5.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) 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: 132.275s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 7.80 (sum: 176019, count: 22577, min: 0, max: 9) Number of global variables per state: 1.00 (sum: 22575, count: 22577, min: 0, max: 1) Number of assumptions: 26233 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 22576 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.043s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 21049 (count: 22576, min: 0, max: 1, avg: 0.93) Symbolic values after refinement: 21049 (count: 22576, min: 0, max: 1, avg: 0.93) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 96.401s Time for SMT check: 73.098s Time for resolving definites: 9.003s Cache lookups: 14643 Direct cache hits: 11589 Direct cache lookup time: 0.172s Number of removed outdated constraints: 0 (count: 8848, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 4.137s Constraints after refinement in state: 17244859 (count: 22576, min: 0, max: 1526, avg: 763.86) Constraints before refinement in state: 17244859 (count: 22576, min: 0, max: 1526, avg: 763.86) Time for constraints adjustment: 2.794s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.061s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 22593, count: 22593, min: 1, max: 1) [1 x 22593] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 22576 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 22576 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: 132.100s (Max: 132.100s) Time for choose from waitlist: 0.017s Time for precision adjustment: 2.994s Time for transfer relation: 102.407s Time for stop operator: 26.532s Time for adding to reached set: 0.042s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 22576 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 22576 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: 132.100s (Max: 132.100s) Time for choose from waitlist: 0.017s Time for precision adjustment: 2.994s Time for transfer relation: 102.407s Time for stop operator: 26.532s Time for adding to reached set: 0.042s 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) Warning: Analysis 2 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 2 of 7 =============================== Total time for algorithm 2: 56.824s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 6.22 (sum: 549243, count: 88343, min: 0, max: 7) Number of global variables per state: 0.00 (sum: 0, count: 88343, min: 0, max: 0) Number of assumptions: 110116 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 94775 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.088s 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: 0.079s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 94807, count: 94807, min: 1, max: 1) [1 x 94807] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 88367 Max size of waitlist: 6 Average size of waitlist: 2 Number of computed successors: 94775 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 6404 Number of times breaked: 1 Total time for CPA algorithm: 56.756s (Max: 56.742s) Time for choose from waitlist: 0.137s Time for precision adjustment: 0.248s Time for transfer relation: 0.822s Time for stop operator: 55.188s Time for adding to reached set: 0.223s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.019s 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: 0.004s Number of interpolations: 1 Number of interpolation queries: 33 (count: 8, min: 0, max: 7, avg: 4.13) Size of interpolant: 3.25 (sum: 26, count: 8, min: 0, max: 6) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.005s Selecting infeasible sliced prefixes: 0.001s 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.: 30 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 30.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.786s Time for refinements: 0.030s Average time for refinement: 0.030s Max time for refinement: 0.030s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 88367 Max size of waitlist: 6 Average size of waitlist: 2 Number of computed successors: 94775 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 6404 Number of times breaked: 1 Total time for CPA algorithm: 56.756s (Max: 56.742s) Time for choose from waitlist: 0.137s Time for precision adjustment: 0.248s Time for transfer relation: 0.822s Time for stop operator: 55.188s Time for adding to reached set: 0.223s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.019s 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: 0.004s Number of interpolations: 1 Number of interpolation queries: 33 (count: 8, min: 0, max: 7, avg: 4.13) Size of interpolant: 3.25 (sum: 26, count: 8, min: 0, max: 6) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.005s Selecting infeasible sliced prefixes: 0.001s 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.: 30 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 30.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.786s Time for refinements: 0.030s Average time for refinement: 0.030s Max time for refinement: 0.030s 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 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 stopped. (The CPU-time limit of 200s has elapsed.) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:ShutdownNotifier.shutdownIfNecessary, WARNING) Statistics for algorithm 3 of 7 =============================== Total time for algorithm 3: 198.399s PredicateCPA statistics ----------------------- Number of abstractions: 139 (7% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 70 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 69 (50%) Times precision was empty: 4 (3%) Times precision was {false}: 67 (48%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 68 (49%) Times result was 'false': 58 (42%) Number of strengthen sat checks: 0 Number of coverage checks: 950 BDD entailment checks: 486 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 10 Avg ABE block size: 5.27 (sum: 733, count: 139, min: 3, max: 10) Number of predicates discovered: 94 Number of abstraction locations: 2 Max number of predicates per location: 93 Avg number of predicates per location: 47 Total predicates per abstraction: 4212 Max number of predicates per abstraction: 93 Avg number of predicates per abstraction: 31.20 Number of irrelevant predicates: 108 (3%) Number of preds handled by boolean abs: 4104 (97%) Total number of models for allsat: 99 Max number of models for allsat: 4 Avg number of models for allsat: 1.46 Time for post operator: 0.078s Time for path formula creation: 0.074s Time for strengthen operator: 0.009s Time for prec operator: 151.652s Time for abstraction: 151.632s (Max: 150.589s, Count: 139) Boolean abstraction: 150.808s Solving time: 0.536s (Max: 0.188s) Model enumeration time: 150.520s Time for BDD construction: 0.108s (Max: 0.008s) Time for merge operator: 0.009s Time for coverage checks: 0.005s Time for BDD entailment checks: 0.004s Total time for SMT solver (w/o itp): 151.056s Number of path formula cache hits: 1752 (80%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.066s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 166739 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 8715, min: 0, max: 0) Time for BDD node cleanup: 0.002s 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: 0.012s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1940, count: 1940, min: 1, max: 1) [1 x 1940] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 1595 Max size of waitlist: 5 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 509, min: 0, max: 1) CallstackSortedWaitlist: 362.00 (sum: 4344, count: 12, min: 6, max: 1086) Number of computed successors: 1908 Max successors for one state: 2 Number of times merged: 232 Number of times stopped: 232 Number of times breaked: 11 Total time for CPA algorithm: 151.871s (Max: 150.800s) Time for choose from waitlist: 0.007s Time for precision adjustment: 151.657s Time for transfer relation: 0.144s Time for merge operator: 0.030s Time for stop operator: 0.011s Time for adding to reached set: 0.009s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.007s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.004s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 10 Avg. length of target path (in blocks): 6.50 (sum: 65, count: 10, min: 2, max: 11) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 46.425s Path-formulas extraction: 0.000s Counterexample analysis: 46.382s (Max: 15.659s, Calls: 11) Refinement sat check: 45.699s Interpolant computation: 0.171s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.021s Precision update: 0.010s ARG update: 0.008s Length of refined path (in blocks): 6.50 (sum: 65, count: 10, min: 2, max: 11) Number of affected states: 55 (count: 10, min: 1, max: 10, avg: 5.50) Length (states) of path with itp 'true': 0 (count: 10, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 55 (count: 10, min: 1, max: 10, avg: 5.50) Length (states) of path with itp 'false': 0 (count: 10, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 45 (count: 10, min: 0, max: 9, avg: 4.50) Equal non-trivial interpolants along paths: 0 (count: 10, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 11 Number of successful refinements: 11 Number of failed refinements: 0 Max. size of reached set before ref.: 249 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 121.36 Avg. size of reached set after ref.: 5.55 Total time for CEGAR algorithm: 198.310s Time for refinements: 46.439s Average time for refinement: 4.221s Max time for refinement: 15.664s CPA algorithm statistics ------------------------ Number of iterations: 1595 Max size of waitlist: 5 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.00 (sum: 1, count: 509, min: 0, max: 1) CallstackSortedWaitlist: 362.00 (sum: 4344, count: 12, min: 6, max: 1086) Number of computed successors: 1908 Max successors for one state: 2 Number of times merged: 232 Number of times stopped: 232 Number of times breaked: 11 Total time for CPA algorithm: 151.871s (Max: 150.800s) Time for choose from waitlist: 0.007s Time for precision adjustment: 151.657s Time for transfer relation: 0.144s Time for merge operator: 0.030s Time for stop operator: 0.011s Time for adding to reached set: 0.009s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.007s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.004s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 10 Avg. length of target path (in blocks): 6.50 (sum: 65, count: 10, min: 2, max: 11) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 46.425s Path-formulas extraction: 0.000s Counterexample analysis: 46.382s (Max: 15.659s, Calls: 11) Refinement sat check: 45.699s Interpolant computation: 0.171s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.021s Precision update: 0.010s ARG update: 0.008s Length of refined path (in blocks): 6.50 (sum: 65, count: 10, min: 2, max: 11) Number of affected states: 55 (count: 10, min: 1, max: 10, avg: 5.50) Length (states) of path with itp 'true': 0 (count: 10, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 55 (count: 10, min: 1, max: 10, avg: 5.50) Length (states) of path with itp 'false': 0 (count: 10, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 45 (count: 10, min: 0, max: 9, avg: 4.50) Equal non-trivial interpolants along paths: 0 (count: 10, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 11 Number of successful refinements: 11 Number of failed refinements: 0 Max. size of reached set before ref.: 249 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 121.36 Avg. size of reached set after ref.: 5.55 Total time for CEGAR algorithm: 198.310s Time for refinements: 46.439s Average time for refinement: 4.221s Max time for refinement: 15.664s 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: 50.763s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.016s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 24906, count: 24906, min: 1, max: 1) [1 x 24906] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 23102 Max size of waitlist: 3 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 5047.00 (sum: 5047, count: 1, min: 5047, max: 5047) Number of computed successors: 24906 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1802 Number of times breaked: 0 Total time for CPA algorithm: 50.696s (Max: 50.696s) Time for choose from waitlist: 0.013s Time for precision adjustment: 0.046s Time for transfer relation: 1.345s Time for merge operator: 37.102s Time for stop operator: 12.085s Time for adding to reached set: 0.055s CPA algorithm statistics ------------------------ Number of iterations: 23102 Max size of waitlist: 3 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 5047.00 (sum: 5047, count: 1, min: 5047, max: 5047) Number of computed successors: 24906 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1802 Number of times breaked: 0 Total time for CPA algorithm: 50.696s (Max: 50.696s) Time for choose from waitlist: 0.013s Time for precision adjustment: 0.046s Time for transfer relation: 1.345s Time for merge operator: 37.102s Time for stop operator: 12.085s Time for adding to reached set: 0.055s 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) 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) Adjusting maxLoopIterations to 4 (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 5 (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 6 (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 7 (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 8 (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 9 (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 10 (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 11 (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 12 (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) Shutdown requested (The JVM is shutting down, probably because Ctrl+C was pressed.), waiting for termination. (ForceTerminationOnShutdown$1.shutdownRequested, WARNING) 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) Warning: Analysis interrupted (The JVM is shutting down, probably because Ctrl+C was pressed.) (ShutdownNotifier.shutdownIfNecessary, WARNING) 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: 0.0833 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: 7 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 7: 434.922s PredicateCPA statistics ----------------------- Number of abstractions: 36 (8% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 24 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 12 (33%) Times precision was empty: 36 (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: 96 BDD entailment checks: 0 Number of SMT sat checks: 27 trivial: 0 cached: 9 Max ABE block size: 10 Avg ABE block size: 5.75 (sum: 207, count: 36, min: 3, max: 10) Number of predicates discovered: 0 Time for post operator: 0.035s Time for path formula creation: 0.035s Time for strengthen operator: 0.002s Time for prec operator: 0.002s Time for abstraction: 0.001s (Max: 0.001s, Count: 36) 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: 0.004s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 1.270s 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: 12 Maximum loop iteration reached: 13 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: 405, count: 417, min: 0, max: 1) [0 x 12, 1 x 405] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 369 Max size of waitlist: 5 Average size of waitlist: 2 LoopstackSortedWaitlist: 0.42 (sum: 63, count: 150, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 151, min: 0, max: 0) LoopIterationSortedWaitlist: 0.41 (sum: 62, count: 150, min: 0, max: 3) CallstackSortedWaitlist: 120.00 (sum: 1440, count: 12, min: 21, max: 219) Number of computed successors: 405 Max successors for one state: 2 Number of times merged: 48 Number of times stopped: 48 Number of times breaked: 0 Total time for CPA algorithm: 0.080s (Max: 0.015s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.012s Time for transfer relation: 0.060s Time for merge operator: 0.005s Time for stop operator: 0.001s Time for adding to reached set: 0.000s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.083s Time for final sat check: 3.007s Time for bounding assertions check: 0.025s Time for collecting formulas for interpolation: 0.010s Time for computing fixed-point by interpolation: 431.425s Total number of computed interpolants: 5 Total number of interpolation calls: 5 Total number of atoms in interpolants: 117 Avg. #atoms in itp: 23 Min. #atoms in itp: 1 Max. #atoms in itp: 41 Total number of vars in interpolants: 31 Avg. #vars in itp: 6 Min. #vars in itp: 6 Max. #vars in itp: 7 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 430.218s (Max: 238.327s, Calls: 7) Refinement sat check: 430.122s Reused formulas on solver stack: 10 (Avg: 1.43) Interpolant computation: 0.096s CPA algorithm statistics ------------------------ Number of iterations: 369 Max size of waitlist: 5 Average size of waitlist: 2 LoopstackSortedWaitlist: 0.42 (sum: 63, count: 150, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 151, min: 0, max: 0) LoopIterationSortedWaitlist: 0.41 (sum: 62, count: 150, min: 0, max: 3) CallstackSortedWaitlist: 120.00 (sum: 1440, count: 12, min: 21, max: 219) Number of computed successors: 405 Max successors for one state: 2 Number of times merged: 48 Number of times stopped: 48 Number of times breaked: 0 Total time for CPA algorithm: 0.080s (Max: 0.015s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.012s Time for transfer relation: 0.060s Time for merge operator: 0.005s Time for stop operator: 0.001s Time for adding to reached set: 0.000s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.083s Time for final sat check: 3.007s Time for bounding assertions check: 0.025s Time for collecting formulas for interpolation: 0.010s Time for computing fixed-point by interpolation: 431.425s Total number of computed interpolants: 5 Total number of interpolation calls: 5 Total number of atoms in interpolants: 117 Avg. #atoms in itp: 23 Min. #atoms in itp: 1 Max. #atoms in itp: 41 Total number of vars in interpolants: 31 Avg. #vars in itp: 6 Min. #vars in itp: 6 Max. #vars in itp: 7 Interpolating SMT solver statistics ----------------------------------- Counterexample analysis: 430.218s (Max: 238.327s, Calls: 7) Refinement sat check: 430.122s Reused formulas on solver stack: 10 (Avg: 1.43) Interpolant computation: 0.096s CPAchecker general statistics ----------------------------- Number of program locations: 62 Number of CFA edges (per node): 63 (count: 62, min: 0, max: 2, avg: 1.02) Number of relevant variables: 12 Number of functions: 4 Number of loops (and loop nodes): 1 (sum: 17, min: 17, max: 17, avg: 17.00) Size of reached set: 336 Number of reached locations: 48 (77%) Avg states per location: 7 Max states per location: 13 (at node N19) Number of reached functions: 3 (75%) Number of target states: 1 Time for analysis setup: 1.102s Time for loading CPAs: 0.344s Time for loading parser: 0.215s Time for CFA construction: 0.511s Time for parsing file(s): 0.255s Time for AST to CFA: 0.120s Time for CFA sanity check: 0.001s Time for post-processing: 0.087s 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: 0.050s Time for collecting variables: 0.029s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.020s Time for exporting data: 0.000s Time for Analysis: 873.469s CPU time for analysis: 897.460s Total time for CPAchecker: 874.577s Total CPU time for CPAchecker: 899.590s Time for statistics: 0.033s Time for Garbage Collector: 2.700s (in 202 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: UNKNOWN, incomplete analysis. 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-IMC.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".