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/recursive-simple/fibo_2calls_15-2.c -------------------------------------------------------------------------------- Running CPAchecker with Java heap of size 10000M. Running CPAchecker with default stack size (1024k). Specify a larger value with --stack if needed. Language C detected and set for analysis (CPAMain.detectFrontendLanguageIfNecessary, INFO) Using the following resource limits: CPU-time limit of 900s (ResourceLimitChecker.fromConfiguration, INFO) CPAchecker 3.1-svn-5f8d539e99+ / svcomp24 (OpenJDK 64-Bit Server VM 17.0.9) started (CPAchecker.run, INFO) Parsing CFA from file(s) "sv-benchmarks/c/recursive-simple/fibo_2calls_15-2.c" (CPAchecker.parse, INFO) Using heuristics to select analysis (CoreComponentsFactory.createAlgorithm, INFO) The following configuration options were specified but are not used: cpa.callstack.unsupportedFunctions termination.violation.witness cpa.predicate.memoryAllocationsAlwaysSucceed cpa.arg.compressWitness cpa.arg.yamlProofWitness cpa.callstack.skipFunctionPointerRecursion counterexample.export.yaml cpa.composite.aggregateBasicBlocks counterexample.export.graphml counterexample.export.compressWitness cpa.arg.proofWitness witness.yamlexporter.witnessVersions (CPAchecker.printConfigurationWarnings, WARNING) Starting analysis ... (CPAchecker.runAlgorithm, INFO) Performing heuristic ... (SelectionAlgorithm.chooseConfig, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:ResourceLimitChecker.fromConfiguration, INFO) Using Restarting Algorithm (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:CoreComponentsFactory.createAlgorithm, INFO) Loading analysis 1 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.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--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:PredicateCPA:PredicateCPA., INFO) Starting analysis 1 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Skipping recursive function call from fibo2 to fibo1 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:TargetLocationProvider:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Creating formula for program (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:AbstractBMCAlgorithm.run, INFO) Recursion detected, aborting. To ignore recursion, add --skip-recursion to the command line. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-singleconfig-bmc.properties:CallstackCPA:CallstackTransferRelation.getAbstractSuccessorsForEdge, INFO) Warning: Analysis 1 not completed. (line 25: Unsupported feature (recursion): __CPAchecker_TMP_0 = fibo1(n - 1); (line was originally return fibo1(n-1) + fibo1(n-2);)) (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:CallstackTransferRelation.getAbstractSuccessorsForEdge, WARNING) Statistics for algorithm 1 of 4 =============================== Total time for algorithm 1: 0.364s PredicateCPA statistics ----------------------- Number of abstractions: 0 (0% of all post computations) Number of strengthen sat checks: 0 Number of coverage checks: 0 BDD entailment checks: 0 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 0 Avg ABE block size: 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of predicates discovered: 0 Time for post operator: 0.045s Time for path formula creation: 0.045s Time for strengthen operator: 0.001s Time for prec operator: 0.000s Time for coverage checks: 0.000s Total time for SMT solver (w/o itp): 0.000s 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: 1 Maximum loop iteration reached: 0 ValueAnalysisCPA statistics --------------------------- Number of variables per state: 1.23 (sum: 27, count: 22, min: 0, max: 3) Number of global variables per state: 0.00 (sum: 0, count: 22, min: 0, max: 0) Number of assumptions: 16 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 21 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.002s 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: 0.000s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 21, count: 21, min: 1, max: 1) [1 x 21] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 22 Max size of waitlist: 1 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.00 (sum: 0, count: 22, min: 0, max: 0) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 22, min: 0, max: 0) LoopIterationSortedWaitlist: 0.00 (sum: 0, count: 22, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 21 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: 0.081s (Max: 0.081s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.008s Time for transfer relation: 0.068s Time for stop operator: 0.001s Time for adding to reached set: 0.000s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.083s CPA algorithm statistics ------------------------ Number of iterations: 22 Max size of waitlist: 1 Average size of waitlist: 1 LoopstackSortedWaitlist: 0.00 (sum: 0, count: 22, min: 0, max: 0) ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 22, min: 0, max: 0) LoopIterationSortedWaitlist: 0.00 (sum: 0, count: 22, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 1, min: 0, max: 0) Number of computed successors: 21 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: 0.081s (Max: 0.081s) Time for choose from waitlist: 0.003s Time for precision adjustment: 0.008s Time for transfer relation: 0.068s Time for stop operator: 0.001s Time for adding to reached set: 0.000s BMC algorithm statistics ------------------------ Time for BMC formula creation: 0.083s RestartAlgorithm switches to the next configuration... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Loading analysis 2 from file /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) Mismatch of configuration options when loading from '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties': 'limits.time.cpu::required' has two values '900' and ''. Using ''. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:NestingAlgorithm.checkConfigs, INFO) Using the following resource limits: CPU-time limit of 900s (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.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--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPA., INFO) Using refinement for predicate analysis with BAMPredicateAbstractionRefinementStrategy strategy. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMPredicateCPA:PredicateCPARefiner., INFO) Starting analysis 2 ... (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.run, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because there was a target state. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint was not reached, starting new iteration 1 (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) fixpoint-iteration aborted, because we did not get new states (fixpoint reached). (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:BAMTransferRelationWithFixPointForRecursion.doFixpointIterationForRecursion, INFO) Ignoring restart configuration '/storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties' because condition if-concurrent did not match. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:RestartAlgorithm.skipNextAnalysesIfRequired, INFO) Stopping analysis ... (CPAchecker.runAlgorithm, INFO) Selection Algorithm statistics ------------------------------ Size of preliminary analysis reached set: 0 Used algorithm property: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties Program containing only relevant bools: 0 Relevant boolean vars / relevant vars ratio: 0.0000 Requires alias handling: 0 Requires loop handling: 0 Has a single loop: 0 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: 4 Number of algorithms used: 3 Last algorithm used: /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--concurrency.properties Total time for algorithm 3: 24.300s BAMCPA statistics ----------------- Number of blocks: 4 Max reached nesting level: 16 Time for building block partitioning: 0.007s Time for reducing abstract states: 0.035s Time for expanding abstract states: 0.026s Time for reducing precisions: 0.015s Time for expanding precisions: 0.017s Number of created nested algortihms: 237 Nesting level of target states with caching: 0.50 (#=4, min=0, max=1, hist=[0 x 2, 1 x 2]) Nesting level of target states without caching: 1.00 (#=4, min=1, max=1, hist=[1 x 4]) BAM-based Refinement: Compute path for refinement: 0.111s Constructing flat ARG: 0.061s Searching path to error location: 0.050s Removing cached subtrees: 0.006s Number of refinements with a missing block: 0 Number of started refinements: 2 Number of spurious counterexamples: 2 Number of precise counterexamples: 0 Block statistics: Analyzed blocks: 3 Avg. time for block analysis: 8.054s Mean time for block analysis: 0.490s Min time for block analysis: 0.470s Max time for block analysis: 23.204s StdDev time for block analysis: 10.712s Total time for block analysis: 24.164s Time for main block: 23.204s ([N37]) BAMCache statistics ------------------- Total size of all ARGs: 1702 (#=151, avg=11.27, dev=3.41, min=4, max=17) Total number of recursive CPA calls: 437 Number of cache misses: 151 (35% of all calls) Number of partial cache hits: 3 (1% of all calls) Number of full cache hits: 283 (65% of all calls) Time for checking equality of abstract states: 0.010s (Calls: 303) Time for computing the hashCode of abstract states: 0.010s (Calls: 604) ValueAnalysisCPA statistics --------------------------- Number of variables per state: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of global variables per state: 0.00 (sum: 0, count: 2, min: 0, max: 0) Number of assumptions: 1176 Number of deterministic assumptions: 0 Level of Determinism: 0% ValueAnalysisPrecisionAdjustment statistics ------------------------------------------- Number of abstraction computations: 1854 Total time for liveness abstraction: 0.000s Total time for abstraction computation: 0.009s Total time for path thresholds: 0.000s ConstraintsStrengthenOperator statistics ---------------------------------------- Total time for strengthening by ConstraintsCPA: 0.000s Replaced symbolic expressions: 0 PredicateCPA statistics ----------------------- Number of abstractions: 1386 (98% of all post computations) Times abstraction was reused: 0 Because of function entry/exit: 533 (38%) Because of loop head: 0 (0%) Because of join nodes: 0 (0%) Because of threshold: 0 (0%) Because of target state: 0 (0%) Times precision was empty: 1386 (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: 343 BDD entailment checks: 343 Number of SMT sat checks: 0 trivial: 0 cached: 0 Max ABE block size: 4 Avg ABE block size: 1.33 (sum: 1841, count: 1386, min: 0, max: 4) Number of predicates discovered: 0 Time for post operator: 0.295s Time for path formula creation: 0.291s Time for strengthen operator: 0.007s Time for prec operator: 0.065s Time for abstraction: 0.023s (Max: 0.003s, Count: 1386) Solving time: 0.000s (Max: 0.000s) Model enumeration time: 0.000s Time for BDD construction: 0.000s (Max: 0.000s) Time for coverage checks: 0.008s Time for BDD entailment checks: 0.008s Total time for SMT solver (w/o itp): 0.000s Number of path formula cache hits: 868 (46%) Inside post operator: Inside path formula creation: Time for path formula computation: 0.279s 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: 0.02 (sum: 98, count: 4785, min: 0, max: 98) Time for BDD node cleanup: 0.001s 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: 0.008s Automaton transfers with branching: 0 Automaton transfer successors: 1.00 (sum: 1418, count: 1418, min: 1, max: 1) [1 x 1418] Number of states with assumption transitions: 0 CPA algorithm statistics ------------------------ Number of iterations: 4 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 4, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 3, min: 0, max: 0) Number of computed successors: 4 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: 1.004s (Max: 0.505s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.000s Time for transfer relation: 1.002s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 2 Number of finished refinement: 2 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 0 Number of finished refinement: 0 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 22.855s 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: 22.301s Number of interpolations: 2 Number of interpolation queries: 4184 (count: 13465, min: 0, max: 3, avg: 0.31) Size of interpolant: 1.15 (sum: 15457, count: 13465, min: 0, max: 3) Number of sliced prefixes: 3 (count: 2, min: 1, max: 2, avg: 1.50) Extracting infeasible sliced prefixes: 0.176s Selecting infeasible sliced prefixes: 0.003s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 0 Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.000s ARG update: 0.000s Length of refined path (in blocks): 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of affected states: 0 (count: 0, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'true': 0 (count: 0, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 0 (count: 0, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'false': 0 (count: 0, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 0, 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.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 24.154s Time for refinements: 23.148s Average time for refinement: 11.574s Max time for refinement: 23.092s CPA algorithm statistics ------------------------ Number of iterations: 4 Max size of waitlist: 1 Average size of waitlist: 1 ReversePostorderSortedWaitlist: 0.00 (sum: 0, count: 4, min: 0, max: 0) CallstackSortedWaitlist: 0.00 (sum: 0, count: 3, min: 0, max: 0) Number of computed successors: 4 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: 1.004s (Max: 0.505s) Time for choose from waitlist: 0.001s Time for precision adjustment: 0.000s Time for transfer relation: 1.002s Time for merge operator: 0.000s Time for stop operator: 0.001s Time for adding to reached set: 0.000s DelegatingARGBasedRefiner statistics ------------------------------------ Analysis 1 (ValueAnalysisRefiner): Number of selected refinement: 2 Number of finished refinement: 2 Analysis 2 (PredicateCPARefiner): Number of selected refinement: 0 Number of finished refinement: 0 ValueAnalysisRefiner statistics ------------------------------- Number of refinements: 2 Number of targets found: 2 (count: 2, min: 1, max: 1, avg: 1.00) Time for completing refinement: 22.855s 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: 22.301s Number of interpolations: 2 Number of interpolation queries: 4184 (count: 13465, min: 0, max: 3, avg: 0.31) Size of interpolant: 1.15 (sum: 15457, count: 13465, min: 0, max: 3) Number of sliced prefixes: 3 (count: 2, min: 1, max: 2, avg: 1.50) Extracting infeasible sliced prefixes: 0.176s Selecting infeasible sliced prefixes: 0.003s PredicateCPARefiner statistics ------------------------------ Number of predicate refinements: 0 Predicate-Abstraction Refiner statistics ---------------------------------------- Predicate creation: 0.000s Precision update: 0.000s ARG update: 0.000s Length of refined path (in blocks): 0.00 (sum: 0, count: 0, min: 0, max: 0) Number of affected states: 0 (count: 0, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'true': 0 (count: 0, min: 0, max: 0, avg: 0.00) Length (states) of path with itp non-trivial itp: 0 (count: 0, min: 0, max: 0, avg: 0.00) Length (states) of path with itp 'false': 0 (count: 0, min: 0, max: 0, avg: 0.00) Different non-trivial interpolants along paths: 0 (count: 0, min: 0, max: 0, avg: 0.00) Equal non-trivial interpolants along paths: 0 (count: 0, 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.: 2 Max. size of reached set after ref.: 1 Avg. size of reached set before ref.: 2.00 Avg. size of reached set after ref.: 1.00 Total time for CEGAR algorithm: 24.154s Time for refinements: 23.148s Average time for refinement: 11.574s Max time for refinement: 23.092s CPAchecker general statistics ----------------------------- Number of program locations: 47 Number of CFA edges (per node): 55 (count: 47, min: 0, max: 3, avg: 1.17) Number of relevant variables: 13 Number of functions: 4 Number of loops (and loop nodes): 0 (sum: 0, min: 0, max: 0, avg: 0.00) Size of reached set: 2 Number of reached locations: 2 (4%) Avg states per location: 1 Max states per location: 1 (at node N36) Number of reached functions: 1 (25%) Number of target states: 0 Time for analysis setup: 1.088s Time for loading CPAs: 0.353s Time for loading parser: 0.218s Time for CFA construction: 0.491s Time for parsing file(s): 0.234s Time for AST to CFA: 0.123s Time for CFA sanity check: 0.000s Time for post-processing: 0.091s Time for loop structure: 0.002s Time for AST structure: 0.000s Time for function pointers resolving: 0.003s Function calls via function pointers: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer calls: 0 (count: 1, min: 0, max: 0, avg: 0.00) Function calls with function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Instrumented function pointer arguments: 0 (count: 1, min: 0, max: 0, avg: 0.00) Time for classifying variables: 0.062s Time for collecting variables: 0.036s Time for solving dependencies: 0.000s Time for building hierarchy: 0.000s Time for building classification: 0.026s Time for exporting data: 0.000s Time for Analysis: 24.733s CPU time for analysis: 29.140s Time for analyzing result: 0.001s Total time for CPAchecker: 25.834s Total CPU time for CPAchecker: 31.240s Time for statistics: 0.119s Time for Garbage Collector: 0.201s (in 118 runs) Garbage Collector(s) used: G1 Old Generation, G1 Young Generation Verification result: TRUE. No property violation found by chosen configuration. Exporting witnesses in Version 2.1 is currently WIP. (Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--configselection-restart-bmc-fallbacks.properties:Analysis /storage/repos/certificate-witnesses-artifact/cpachecker/config/components/svcomp24--recursion.properties:BAMCPA:ARGToYAMLWitnessExport.export, INFO) More details about the verification run can be found in the directory "./output".