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/sumt7.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/sumt7.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: 132.394s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 9.68 (sum: 231684, count: 23922, min: 0, max: 11) Number of global variables per state: 1.00 (sum: 23920, count: 23922, min: 0, max: 1) Number of assumptions: 32652 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 23921 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.049s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 22418 (count: 23921, min: 0, max: 1, avg: 0.94) Symbolic values after refinement: 22418 (count: 23921, min: 0, max: 1, avg: 0.94) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.002s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 98.193s Time for SMT check: 74.147s Time for resolving definites: 9.104s Cache lookups: 17828 Direct cache hits: 14823 Direct cache lookup time: 0.210s Number of removed outdated constraints: 0 (count: 10416, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 4.616s Constraints after refinement in state: 17974817 (count: 23921, min: 0, max: 1502, avg: 751.42) Constraints before refinement in state: 17974817 (count: 23921, min: 0, max: 1502, avg: 751.42) Time for constraints adjustment: 2.663s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.065s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 23939, count: 23939, min: 1, max: 1) [1 x 23939] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 23920 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 23921 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: 132.214s (Max: 132.214s) Time for choose from waitlist: 0.011s Time for precision adjustment: 2.876s Time for transfer relation: 104.783s Time for stop operator: 24.357s Time for adding to reached set: 0.047s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 23920 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 23921 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: 132.214s (Max: 132.214s) Time for choose from waitlist: 0.011s Time for precision adjustment: 2.876s Time for transfer relation: 104.783s Time for stop operator: 24.357s Time for adding to reached set: 0.047s 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: 56.443s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 8.20 (sum: 703527, count: 85791, min: 0, max: 9) Number of global variables per state: 0.00 (sum: 0, count: 85791, min: 0, max: 0) Number of assumptions: 124992 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 91559 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.163s 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: 0.091s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 91595, count: 91595, min: 1, max: 1) [1 x 91595] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 85813 Max size of waitlist: 6 Average size of waitlist: 1 Number of computed successors: 91559 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 5743 Number of times breaked: 1 Total time for CPA algorithm: 56.349s (Max: 56.338s) Time for choose from waitlist: 0.141s Time for precision adjustment: 0.319s Time for transfer relation: 1.121s Time for stop operator: 54.448s Time for adding to reached set: 0.160s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.034s 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: 0.011s Number of interpolations: 1 Number of interpolation queries: 75 (count: 12, min: 0, max: 9, avg: 6.25) Size of interpolant: 5.50 (sum: 66, count: 12, min: 0, max: 8) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.007s 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.: 27 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 27.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.398s Time for refinements: 0.046s Average time for refinement: 0.046s Max time for refinement: 0.046s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 85813 Max size of waitlist: 6 Average size of waitlist: 1 Number of computed successors: 91559 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 5743 Number of times breaked: 1 Total time for CPA algorithm: 56.349s (Max: 56.338s) Time for choose from waitlist: 0.141s Time for precision adjustment: 0.319s Time for transfer relation: 1.121s Time for stop operator: 54.448s Time for adding to reached set: 0.160s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.034s 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: 0.011s Number of interpolations: 1 Number of interpolation queries: 75 (count: 12, min: 0, max: 9, avg: 6.25) Size of interpolant: 5.50 (sum: 66, count: 12, min: 0, max: 8) Number of sliced prefixes: 1 (count: 1, min: 1, max: 1, avg: 1.00) Extracting infeasible sliced prefixes: 0.007s 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.: 27 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 27.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 56.398s Time for refinements: 0.046s Average time for refinement: 0.046s Max time for refinement: 0.046s 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: 199.245s PredicateCPA statistics ----------------------- Number of abstractions: 18 (5% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 9 (50%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 9 (50%) Times precision was empty: 4 (22%) Times precision was {false}: 7 (39%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 7 (39%) Times result was 'false': 5 (28%) Number of strengthen sat checks: 0 Number of coverage checks: 130 BDD entailment checks: 22 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 12 Avg ABE block size: 11.22 (sum: 202, count: 18, min: 11, max: 12) Number of predicates discovered: 19 Number of abstraction locations: 2 Max number of predicates per location: 17 Avg number of predicates per location: 9 Total predicates per abstraction: 108 Max number of predicates per abstraction: 17 Avg number of predicates per abstraction: 7.71 Number of irrelevant predicates: 7 (6%) Number of preds handled by boolean abs: 101 (94%) Total number of models for allsat: 54 Max number of models for allsat: 42 Avg number of models for allsat: 7.71 Time for post operator: 0.051s Time for path formula creation: 0.045s Time for strengthen operator: 0.004s Time for prec operator: 198.246s Time for abstraction: 198.244s (Max: 180.843s, Count: 18) Boolean abstraction: 1.267s Solving time: 197.077s (Max: 180.789s) Model enumeration time: 0.940s Time for BDD construction: 0.020s (Max: 0.005s) Time for merge operator: 0.006s Time for coverage checks: 0.002s Time for BDD entailment checks: 0.002s Total time for SMT solver (w/o itp): 198.017s Number of path formula cache hits: 202 (48%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.038s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 2705 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 475, 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: 389, count: 389, min: 1, max: 1) [1 x 389] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 290 Max size of waitlist: 7 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 0.03 (sum: 2, count: 75, min: 0, max: 1) CallstackSortedWaitlist: 99.00 (sum: 396, count: 4, min: 27, max: 215) Number of computed successors: 353 Max successors for one state: 2 Number of times merged: 54 Number of times stopped: 54 Number of times breaked: 3 Total time for CPA algorithm: 198.342s (Max: 198.076s) Time for choose from waitlist: 0.001s Time for precision adjustment: 198.251s Time for transfer relation: 0.072s Time for merge operator: 0.012s Time for stop operator: 0.003s Time for adding to reached set: 0.001s 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: 0.005s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 2 Avg. length of target path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.798s Path-formulas extraction: 0.000s Counterexample analysis: 0.790s (Max: 0.546s, Calls: 3) Refinement sat check: 0.715s Interpolant computation: 0.004s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.005s Precision update: 0.002s ARG update: 0.001s Length of refined path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of affected states: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'true': 0 (count: 2, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'false': 0 (count: 2, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 1 (count: 2, min: 0, max: 1, avg: 0.50) Equal non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 3 Number of successful refinements: 3 Number of failed refinements: 0 Max. size of reached set before ref.: 69 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 47.67 Avg. size of reached set after ref.: 4.33 Total time for CEGAR algorithm: 199.150s Time for refinements: 0.808s Average time for refinement: 0.269s Max time for refinement: 0.551s CPA algorithm statistics ------------------------ Number of iterations: 290 Max size of waitlist: 7 Average size of waitlist: 3 ReversePostorderSortedWaitlist: 0.03 (sum: 2, count: 75, min: 0, max: 1) CallstackSortedWaitlist: 99.00 (sum: 396, count: 4, min: 27, max: 215) Number of computed successors: 353 Max successors for one state: 2 Number of times merged: 54 Number of times stopped: 54 Number of times breaked: 3 Total time for CPA algorithm: 198.342s (Max: 198.076s) Time for choose from waitlist: 0.001s Time for precision adjustment: 198.251s Time for transfer relation: 0.072s Time for merge operator: 0.012s Time for stop operator: 0.003s Time for adding to reached set: 0.001s 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: 0.005s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 2 Avg. length of target path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.798s Path-formulas extraction: 0.000s Counterexample analysis: 0.790s (Max: 0.546s, Calls: 3) Refinement sat check: 0.715s Interpolant computation: 0.004s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.005s Precision update: 0.002s ARG update: 0.001s Length of refined path (in blocks): 2.50 (sum: 5, count: 2, min: 2, max: 3) Number of affected states: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'true': 0 (count: 2, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 3 (count: 2, min: 1, max: 2, avg: 1.50) Length (states) of path with itp 'false': 0 (count: 2, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 1 (count: 2, min: 0, max: 1, avg: 0.50) Equal non-trivial interpolants along paths: 0 (count: 2, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 3 Number of successful refinements: 3 Number of failed refinements: 0 Max. size of reached set before ref.: 69 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 47.67 Avg. size of reached set after ref.: 4.33 Total time for CEGAR algorithm: 199.150s Time for refinements: 0.808s Average time for refinement: 0.269s Max time for refinement: 0.551s 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: 52.409s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.009s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 25372, count: 25372, min: 1, max: 1) [1 x 25372] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 23675 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 25372 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1697 Number of times breaked: 0 Total time for CPA algorithm: 52.333s (Max: 52.333s) Time for choose from waitlist: 0.019s Time for precision adjustment: 0.035s Time for transfer relation: 1.477s Time for merge operator: 38.426s Time for stop operator: 12.264s Time for adding to reached set: 0.059s CPA algorithm statistics ------------------------ Number of iterations: 23675 Max size of waitlist: 3 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 25372 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1697 Number of times breaked: 0 Total time for CPA algorithm: 52.333s (Max: 52.333s) Time for choose from waitlist: 0.019s Time for precision adjustment: 0.035s Time for transfer relation: 1.477s Time for merge operator: 38.426s Time for stop operator: 12.264s Time for adding to reached set: 0.059s 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) 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: 0.0714 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: 435.103s PredicateCPA statistics ----------------------- Number of abstractions: 6 (6% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 4 (67%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 2 (33%) Times precision was empty: 6 (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: 24 BDD entailment checks: 0 Number of SMT sat checks: 2 trivial: 0 cached: 0 Max ABE block size: 12 Avg ABE block size: 11.17 (sum: 67, count: 6, min: 11, max: 12) Number of predicates discovered: 0 Time for post operator: 0.014s Time for path formula creation: 0.014s Time for strengthen operator: 0.001s Time for prec operator: 0.002s Time for abstraction: 0.001s (Max: 0.001s, Count: 6) 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: 0.000s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.003s 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: 2 Maximum loop iteration reached: 3 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.001s Automaton transfers with branching: 0 Automaton transfer successors: 0.98 (sum: 103, count: 105, min: 0, max: 1) [0 x 2, 1 x 103] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 93 Max size of waitlist: 7 Average size of waitlist: 2 LoopstackSortedWaitlist: 0.25 (sum: 11, count: 44, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 45, min: 0, max: 0) LoopIterationSortedWaitlist: 0.23 (sum: 10, count: 44, min: 0, max: 2) CallstackSortedWaitlist: 37.50 (sum: 75, count: 2, min: 26, max: 49) Number of computed successors: 103 Max successors for one state: 2 Number of times merged: 12 Number of times stopped: 12 Number of times breaked: 0 Total time for CPA algorithm: 0.036s (Max: 0.028s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.006s Time for transfer relation: 0.026s Time for merge operator: 0.000s Time for stop operator: 0.002s Time for adding to reached set: 0.002s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.038s Time for final sat check: 434.896s Time for bounding assertions check: 0.003s Total number of computed interpolants: 0 Total number of interpolation calls: 0 Interpolating SMT solver statistics ----------------------------------- CPA algorithm statistics ------------------------ Number of iterations: 93 Max size of waitlist: 7 Average size of waitlist: 2 LoopstackSortedWaitlist: 0.25 (sum: 11, count: 44, min: 0, max: 3) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 45, min: 0, max: 0) LoopIterationSortedWaitlist: 0.23 (sum: 10, count: 44, min: 0, max: 2) CallstackSortedWaitlist: 37.50 (sum: 75, count: 2, min: 26, max: 49) Number of computed successors: 103 Max successors for one state: 2 Number of times merged: 12 Number of times stopped: 12 Number of times breaked: 0 Total time for CPA algorithm: 0.036s (Max: 0.028s) Time for choose from waitlist: 0.000s Time for precision adjustment: 0.006s Time for transfer relation: 0.026s Time for merge operator: 0.000s Time for stop operator: 0.002s Time for adding to reached set: 0.002s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.038s Time for final sat check: 434.896s Time for bounding assertions check: 0.003s Total number of computed interpolants: 0 Total number of interpolation calls: 0 Interpolating SMT solver statistics ----------------------------------- CPAchecker general statistics ----------------------------- Number of program locations: 70 Number of CFA edges (per node): 73 (count: 70, min: 0, max: 2, avg: 1.04) Number of relevant variables: 14 Number of functions: 4 Number of loops (and loop nodes): 1 (sum: 24, min: 24, max: 24, avg: 24.00) Size of reached set: 90 Number of reached locations: 56 (80%) Avg states per location: 1 Max states per location: 3 (at node N19) Number of reached functions: 3 (75%) Number of target states: 1 Time for analysis setup: 1.120s Time for loading CPAs: 0.346s Time for loading parser: 0.197s Time for CFA construction: 0.544s Time for parsing file(s): 0.270s Time for AST to CFA: 0.126s Time for CFA sanity check: 0.000s Time for post-processing: 0.097s Time for loop structure: 0.006s Time for AST structure: 0.000s Time for function pointers resolving: 0.004s 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: 0.056s Time for collecting variables: 0.033s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.023s Time for exporting data: 0.000s Time for Analysis: 875.889s CPU time for analysis: 897.400s Total time for CPAchecker: 877.010s Total CPU time for CPAchecker: 899.540s Time for statistics: 0.022s Time for Garbage Collector: 2.615s (in 260 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".