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/sum03-2.i -------------------------------------------------------------------------------- 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/sum03-2.i" (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: 135.800s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 6.33 (sum: 638921, count: 100885, min: 0, max: 7) Number of global variables per state: 0.00 (sum: 0, count: 100885, min: 0, max: 0) Number of assumptions: 89672 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 100884 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.103s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 224184 (count: 100884, min: 0, max: 3, avg: 2.22) Symbolic values after refinement: 224184 (count: 100884, min: 0, max: 3, avg: 2.22) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.009s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 1.384s Time for SMT check: 0.000s Time for resolving definites: 0.000s Cache lookups: 22418 Direct cache hits: 22417 Direct cache lookup time: 0.013s Number of removed outdated constraints: 0 (count: 22418, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 0.233s Constraints after refinement in state: 0 (count: 100884, min: 0, max: 0, avg: 0.00) Constraints before refinement in state: 0 (count: 100884, min: 0, max: 0, avg: 0.00) Time for constraints adjustment: 0.020s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.203s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 156943, count: 156943, min: 1, max: 1) [1 x 156943] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 100884 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 100884 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: 135.524s (Max: 135.524s) Time for choose from waitlist: 0.033s Time for precision adjustment: 0.519s Time for transfer relation: 4.246s Time for stop operator: 130.271s Time for adding to reached set: 0.187s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 100884 Max size of waitlist: 1 Average size of waitlist: 1 Number of computed successors: 100884 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: 135.524s (Max: 135.524s) Time for choose from waitlist: 0.033s Time for precision adjustment: 0.519s Time for transfer relation: 4.246s Time for stop operator: 130.271s Time for adding to reached set: 0.187s 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: 58.245s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 3.11 (sum: 222153, count: 71409, min: 0, max: 4) Number of global variables per state: 0.00 (sum: 0, count: 71409, min: 0, max: 0) Number of assumptions: 63490 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 71448 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.078s 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: 0.131s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 111170, count: 111170, min: 1, max: 1) [1 x 111170] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 71443 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 71448 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 5 Number of times breaked: 2 Total time for CPA algorithm: 58.142s (Max: 58.128s) Time for choose from waitlist: 0.091s Time for precision adjustment: 0.217s Time for transfer relation: 1.091s Time for stop operator: 56.450s Time for adding to reached set: 0.207s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.029s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 2 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.008s Number of interpolations: 2 Number of interpolation queries: 11 (count: 14, min: 0, max: 3, avg: 0.79) Size of interpolant: 0.64 (sum: 9, count: 14, min: 0, max: 2) Number of sliced prefixes: 2 (count: 2, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.010s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 20 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 18.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 58.193s Time for refinements: 0.051s Average time for refinement: 0.025s Max time for refinement: 0.040s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 71443 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 71448 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 5 Number of times breaked: 2 Total time for CPA algorithm: 58.142s (Max: 58.128s) Time for choose from waitlist: 0.091s Time for precision adjustment: 0.217s Time for transfer relation: 1.091s Time for stop operator: 56.450s Time for adding to reached set: 0.207s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.029s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 2 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.008s Number of interpolations: 2 Number of interpolation queries: 11 (count: 14, min: 0, max: 3, avg: 0.79) Size of interpolant: 0.64 (sum: 9, count: 14, min: 0, max: 2) Number of sliced prefixes: 2 (count: 2, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.010s Selecting infeasible sliced prefixes: 0.001s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 2 Number of successful refinements: 2 Number of failed refinements: 0 Max. size of reached set before ref.: 20 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 18.50 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 58.193s Time for refinements: 0.051s Average time for refinement: 0.025s Max time for refinement: 0.040s 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) 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: 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: 3 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoop-predicateAnalysis.properties Total time for algorithm 3: 0.308s PredicateCPA statistics ----------------------- Number of abstractions: 25 (9% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 13 (52%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 12 (48%) Times precision was empty: 4 (16%) Times precision was {false}: 10 (40%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 11 (44%) Times result was 'false': 8 (32%) Number of strengthen sat checks: 0 Number of coverage checks: 86 BDD entailment checks: 38 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 8 Avg ABE block size: 6.80 (sum: 170, count: 25, min: 2, max: 8) Number of predicates discovered: 7 Number of abstraction locations: 2 Max number of predicates per location: 5 Avg number of predicates per location: 3 Total predicates per abstraction: 56 Max number of predicates per abstraction: 5 Avg number of predicates per abstraction: 2.67 Number of irrelevant predicates: 10 (18%) Number of preds handled by boolean abs: 46 (82%) Total number of models for allsat: 21 Max number of models for allsat: 5 Avg number of models for allsat: 1.91 Time for post operator: 0.039s Time for path formula creation: 0.035s Time for strengthen operator: 0.003s Time for prec operator: 0.096s Time for abstraction: 0.094s (Max: 0.010s, Count: 25) Boolean abstraction: 0.024s Solving time: 0.025s (Max: 0.004s) Model enumeration time: 0.010s Time for BDD construction: 0.009s (Max: 0.003s) Time for merge operator: 0.003s Time for coverage checks: 0.001s Time for BDD entailment checks: 0.001s Total time for SMT solver (w/o itp): 0.035s Number of path formula cache hits: 177 (59%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.032s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 276 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 222, 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: 0.004s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 277, count: 277, min: 1, max: 1) [1 x 277] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 153 Max size of waitlist: 2 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 93, min: 0, max: 0) CallstackSortedWaitlist: 26.00 (sum: 130, count: 5, min: 5, max: 60) Number of computed successors: 189 Max successors for one state: 2 Number of times merged: 24 Number of times stopped: 25 Number of times breaked: 4 Total time for CPA algorithm: 0.178s (Max: 0.072s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.101s Time for transfer relation: 0.056s Time for merge operator: 0.010s Time for stop operator: 0.003s Time for adding to reached set: 0.002s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.007s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 3 Avg. length of target path (in blocks): 3.00 (sum: 9, count: 3, min: 2, max: 4) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.035s Path-formulas extraction: 0.000s Counterexample analysis: 0.025s (Max: 0.010s, Calls: 4) Refinement sat check: 0.014s Interpolant computation: 0.004s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.005s Precision update: 0.002s ARG update: 0.002s Length of refined path (in blocks): 3.00 (sum: 9, count: 3, min: 2, max: 4) Number of affected states: 6 (count: 3, min: 1, max: 3, avg: 2.00) 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: 6 (count: 3, min: 1, max: 3, avg: 2.00) Length (states) of path with itp 'false': 0 (count: 3, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 3 (count: 3, min: 0, max: 2, avg: 1.00) Equal non-trivial interpolants along paths: 0 (count: 3, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 4 Number of successful refinements: 4 Number of failed refinements: 0 Max. size of reached set before ref.: 41 Max. size of reached set after ref.: 3 Avg. size of reached set before ref.: 24.75 Avg. size of reached set after ref.: 2.50 Total time for CEGAR algorithm: 0.223s Time for refinements: 0.045s Average time for refinement: 0.011s Max time for refinement: 0.017s CPA algorithm statistics ------------------------ Number of iterations: 153 Max size of waitlist: 2 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 93, min: 0, max: 0) CallstackSortedWaitlist: 26.00 (sum: 130, count: 5, min: 5, max: 60) Number of computed successors: 189 Max successors for one state: 2 Number of times merged: 24 Number of times stopped: 25 Number of times breaked: 4 Total time for CPA algorithm: 0.178s (Max: 0.072s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.101s Time for transfer relation: 0.056s Time for merge operator: 0.010s Time for stop operator: 0.003s Time for adding to reached set: 0.002s Static Predicate Refiner statistics ----------------------------------- Number of predicates found statically: 1 (count: 1, min: 1, max: 1, avg: 1.00) Total time for static refinement: 0.008s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.007s Time for ARG update: 0.000s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 3 Avg. length of target path (in blocks): 3.00 (sum: 9, count: 3, min: 2, max: 4) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.035s Path-formulas extraction: 0.000s Counterexample analysis: 0.025s (Max: 0.010s, Calls: 4) Refinement sat check: 0.014s Interpolant computation: 0.004s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.005s Precision update: 0.002s ARG update: 0.002s Length of refined path (in blocks): 3.00 (sum: 9, count: 3, min: 2, max: 4) Number of affected states: 6 (count: 3, min: 1, max: 3, avg: 2.00) 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: 6 (count: 3, min: 1, max: 3, avg: 2.00) Length (states) of path with itp 'false': 0 (count: 3, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 3 (count: 3, min: 0, max: 2, avg: 1.00) Equal non-trivial interpolants along paths: 0 (count: 3, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 4 Number of successful refinements: 4 Number of failed refinements: 0 Max. size of reached set before ref.: 41 Max. size of reached set after ref.: 3 Avg. size of reached set before ref.: 24.75 Avg. size of reached set after ref.: 2.50 Total time for CEGAR algorithm: 0.223s Time for refinements: 0.045s Average time for refinement: 0.011s Max time for refinement: 0.017s CPAchecker general statistics ----------------------------- Number of program locations: 46 Number of CFA edges (per node): 45 (count: 46, min: 0, max: 2, avg: 0.98) Number of relevant variables: 6 Number of functions: 3 Number of loops (and loop nodes): 1 (sum: 12, min: 12, max: 12, avg: 12.00) Size of reached set: 68 Number of reached locations: 16 (35%) Avg states per location: 4 Max states per location: 5 (at node N8) Number of reached functions: 2 (67%) Number of target states: 0 Time for analysis setup: 1.081s Time for loading CPAs: 0.352s Time for loading parser: 0.250s Time for CFA construction: 0.449s Time for parsing file(s): 0.206s Time for AST to CFA: 0.118s Time for CFA sanity check: 0.000s Time for post-processing: 0.081s 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: 0.053s Time for collecting variables: 0.037s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.016s Time for exporting data: 0.000s Time for Analysis: 194.472s CPU time for analysis: 201.000s Time for analyzing result: 0.000s Total time for CPAchecker: 195.556s Total CPU time for CPAchecker: 202.820s Time for statistics: 0.052s Time for Garbage Collector: 1.919s (in 134 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-predicateAnalysis.properties:ARGCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".