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/loop-zilu/benchmark02_linear.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/loop-zilu/benchmark02_linear.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: 138.047s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 3.99 (sum: 11319, count: 2834, min: 0, max: 5) Number of global variables per state: 0.00 (sum: 0, count: 2834, min: 0, max: 0) Number of assumptions: 1136 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 2833 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.016s Total time for path thresholds: 0.000s SymbolicValueAnalysisPrecisionAdjustment statistics --------------------------------------------------- Symbolic values before refinement: 11037 (count: 2833, min: 0, max: 5, avg: 3.90) Symbolic values after refinement: 11037 (count: 2833, min: 0, max: 5, avg: 3.90) ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.001s Replaced symbolic expressions: 0 ConstraintsCPA statistics ------------------------- Time for solving constraints: 120.489s Time for SMT check: 71.574s Time for resolving definites: 32.835s Cache lookups: 1136 Direct cache hits: 0 Direct cache lookup time: 0.001s Number of removed outdated constraints: 0 (count: 1136, min: 0, max: 0, avg: 0.00) Time for outdated constraint removal: 7.066s Constraints after refinement in state: 404972 (count: 2833, min: 0, max: 285, avg: 142.95) Constraints before refinement in state: 404972 (count: 2833, min: 0, max: 285, avg: 142.95) Time for constraints adjustment: 1.699s AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.035s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 3698, count: 3698, min: 1, max: 1) [1 x 3698] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 2831 Max size of waitlist: 4 Average size of waitlist: 3 Number of computed successors: 2833 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: 137.902s (Max: 137.902s) Time for choose from waitlist: 0.002s Time for precision adjustment: 1.792s Time for transfer relation: 129.793s Time for stop operator: 6.228s Time for adding to reached set: 0.033s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 0 CPA algorithm statistics ------------------------ Number of iterations: 2831 Max size of waitlist: 4 Average size of waitlist: 3 Number of computed successors: 2833 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: 137.902s (Max: 137.902s) Time for choose from waitlist: 0.002s Time for precision adjustment: 1.792s Time for transfer relation: 129.793s Time for stop operator: 6.228s Time for adding to reached set: 0.033s 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) Error path found, starting counterexample check with CPACHECKER. (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:CounterexampleCheckAlgorithm.checkCounterexample, 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-valueAnalysis-Cegar.properties:CounterexampleCheck:PredicateCPA:PredicateCPA., INFO) Error path found but identified as infeasible. (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:CounterexampleCheckAlgorithm.checkCounterexample, INFO) Infeasible counterexample found, but could not remove it from the ARG. Therefore, we cannot prove safety. (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:ExceptionHandlingAlgorithm.handleExceptionWithErrorPath, WARNING) Analysis 2 terminated, but result is unsound. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--singleLoopConfig.properties:RestartAlgorithm.run, INFO) Statistics for algorithm 2 of 7 =============================== Total time for algorithm 2: 0.332s ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 15, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 15, min: 0, max: 0) Number of assumptions: 6 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 18 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.000s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 AutomatonAnalysis (SVCOMP) statistics ------------------------------------- Number of states: 1 Total time for successor computation: 0.002s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 35, count: 35, min: 1, max: 1) [1 x 35] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 16 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 18 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2 Number of times breaked: 1 Total time for CPA algorithm: 0.005s (Max: 0.005s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.000s Time for transfer relation: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.001s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.010s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 17 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 17.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.029s Time for refinements: 0.024s Average time for refinement: 0.024s Max time for refinement: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.263s CPA algorithm statistics ------------------------ Number of iterations: 16 Max size of waitlist: 3 Average size of waitlist: 1 Number of computed successors: 18 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 2 Number of times breaked: 1 Total time for CPA algorithm: 0.005s (Max: 0.005s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.000s Time for transfer relation: 0.002s Time for stop operator: 0.000s Time for adding to reached set: 0.001s ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 1 Number of targets found: 1 (count: 1, min: 1, max: 1, avg: 1.00) Time for completing refinement: 0.010s Number of root relocations: 0 Number of similar, repeated refinements: 0 Number of unique precision increments: 0 PathExtractor statistics ------------------------ Total number of targets found: 0 ValueAnalysisPathInterpolator statistics ---------------------------------------- Time for interpolation: 0.000s Number of interpolations: 0 Number of interpolation queries: 0 (count: 0, min: 0, max: 0, avg: 0.00) Size of interpolant: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Extracting infeasible sliced prefixes: 0.000s Selecting infeasible sliced prefixes: 0.000s CEGAR algorithm statistics -------------------------- Number of CEGAR refinements: 1 Number of successful refinements: 0 Number of failed refinements: 0 Max. size of reached set before ref.: 17 Max. size of reached set after ref.: 0 Avg. size of reached set before ref.: 17.00 Avg. size of reached set after ref.: NaN Total time for CEGAR algorithm: 0.029s Time for refinements: 0.024s Average time for refinement: 0.024s Max time for refinement: 0.024s Counterexample-Check Algorithm statistics ----------------------------------------- Number of counterexample checks: 1 Number of infeasible paths: 1 (100%) Time for counterexample checks: 0.263s 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: 4 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: 0.099s PredicateCPA statistics ----------------------- Number of abstractions: 7 (10% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 0 (0%) Because of loop head: 4 (57%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 3 (43%) Times precision was empty: 4 (57%) Times precision was {false}: 1 (14%) Times result was cached: 0 (0%) Times cartesian abs was used: 0 (0%) Times boolean abs was used: 2 (29%) Times result was 'false': 1 (14%) Number of strengthen sat checks: 0 Number of coverage checks: 2 BDD entailment checks: 2 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 8 Avg ABE block size: 5.00 (sum: 35, count: 7, min: 2, max: 8) Number of predicates discovered: 3 Number of abstraction locations: 2 Max number of predicates per location: 1 Avg number of predicates per location: 1 Total predicates per abstraction: 3 Max number of predicates per abstraction: 1 Avg number of predicates per abstraction: 1.00 Number of irrelevant predicates: 1 (33%) Number of preds handled by boolean abs: 2 (67%) Total number of models for allsat: 2 Max number of models for allsat: 1 Avg number of models for allsat: 1.00 Time for post operator: 0.005s Time for path formula creation: 0.005s Time for strengthen operator: 0.000s Time for prec operator: 0.009s Time for abstraction: 0.009s (Max: 0.006s, Count: 7) Boolean abstraction: 0.005s Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.004s Time for BDD construction: 0.004s (Max: 0.004s) Time for coverage checks: 0.000s Time for BDD entailment checks: 0.000s Total time for SMT solver (w/o itp): 0.004s Number of path formula cache hits: 39 (52%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.005s Total number of created targets for pointer analysis: 0 Number of BDD nodes: 202 Size of BDD node table: 524309 Size of BDD cache: 52433 Size of BDD node cleanup queue: 0.00 (sum: 0, count: 29, 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: 0.000s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 71, count: 71, min: 1, max: 1) [1 x 71] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 33 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.06 (sum: 1, count: 16, min: 0, max: 1) CallstackSortedWaitlist: 10.67 (sum: 32, count: 3, min: 5, max: 17) Number of computed successors: 39 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 2 Total time for CPA algorithm: 0.027s (Max: 0.014s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.009s Time for transfer relation: 0.013s Time for merge operator: 0.001s Time for stop operator: 0.000s 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: 0.006s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.011s Path-formulas extraction: 0.000s Counterexample analysis: 0.009s (Max: 0.008s, Calls: 2) Refinement sat check: 0.006s Interpolant computation: 0.001s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.001s ARG update: 0.000s Length of refined path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of affected states: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'true': 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'false': 0 (count: 1, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 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.: 14 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 14.00 Avg. size of reached set after ref.: 3.50 Total time for CEGAR algorithm: 0.044s Time for refinements: 0.017s Average time for refinement: 0.008s Max time for refinement: 0.011s CPA algorithm statistics ------------------------ Number of iterations: 33 Max size of waitlist: 4 Average size of waitlist: 2 ReversePostorderSortedWaitlist: 0.06 (sum: 1, count: 16, min: 0, max: 1) CallstackSortedWaitlist: 10.67 (sum: 32, count: 3, min: 5, max: 17) Number of computed successors: 39 Max successors for one state: 2 Number of times merged: 0 Number of times stopped: 1 Number of times breaked: 2 Total time for CPA algorithm: 0.027s (Max: 0.014s) Time for choose from waitlist: 0.002s Time for precision adjustment: 0.009s Time for transfer relation: 0.013s Time for merge operator: 0.001s Time for stop operator: 0.000s 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: 0.006s Time for path feasibility check: 0.001s Time for predicate extraction from CFA: 0.003s Time for ARG update: 0.001s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 1 Avg. length of target path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of infeasible sliced prefixes: 0 (count: 0, min: 0, max: 0, avg: 0.00) Time for refinement: 0.011s Path-formulas extraction: 0.000s Counterexample analysis: 0.009s (Max: 0.008s, Calls: 2) Refinement sat check: 0.006s Interpolant computation: 0.001s Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.001s ARG update: 0.000s Length of refined path (in blocks): 2.00 (sum: 2, count: 1, min: 2, max: 2) Number of affected states: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'true': 0 (count: 1, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 1 (count: 1, min: 1, max: 1, avg: 1.00) Length (states) of path with itp 'false': 0 (count: 1, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 1, min: 0, max: 0, avg: 0.00) Number of refs with location-based cutoff: 0 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.: 14 Max. size of reached set after ref.: 6 Avg. size of reached set before ref.: 14.00 Avg. size of reached set after ref.: 3.50 Total time for CEGAR algorithm: 0.044s Time for refinements: 0.017s Average time for refinement: 0.008s Max time for refinement: 0.011s CPAchecker general statistics ----------------------------- Number of program locations: 42 Number of CFA edges (per node): 42 (count: 42, min: 0, max: 2, avg: 1.00) Number of relevant variables: 6 Number of functions: 3 Number of loops (and loop nodes): 1 (sum: 5, min: 5, max: 5, avg: 5.00) Size of reached set: 17 Number of reached locations: 16 (38%) Avg states per location: 1 Max states per location: 2 (at node N14) Number of reached functions: 2 (67%) Number of target states: 0 Time for analysis setup: 0.893s Time for loading CPAs: 0.249s Time for loading parser: 0.178s Time for CFA construction: 0.437s Time for parsing file(s): 0.208s Time for AST to CFA: 0.115s Time for CFA sanity check: 0.000s Time for post-processing: 0.078s Time for loop structure: 0.004s Time for AST structure: 0.000s Time for function pointers resolving: 0.001s 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: 0.055s Time for collecting variables: 0.037s Time for solving dependencies: 0.002s Time for building hierarchy: 0.000s Time for building classification: 0.016s Time for exporting data: 0.000s Time for Analysis: 138.546s CPU time for analysis: 141.480s Time for analyzing result: 0.000s Total time for CPAchecker: 139.441s Total CPU time for CPAchecker: 143.090s Time for statistics: 0.037s Time for Garbage Collector: 0.459s (in 330 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".