./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-56.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-56.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 38e23cbae473b7ebe14c11b45c39448f8cd5228aeb0245c48e1ba9199773a899 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:38:43,415 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:38:43,475 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:38:43,478 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:38:43,479 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:38:43,501 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:38:43,501 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:38:43,502 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:38:43,502 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:38:43,502 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:38:43,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:38:43,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:38:43,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:38:43,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:38:43,504 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:38:43,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:38:43,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:38:43,505 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:38:43,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:38:43,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:38:43,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:38:43,506 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:38:43,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:38:43,507 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:38:43,507 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:38:43,507 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:38:43,507 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:38:43,508 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:38:43,508 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:38:43,508 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:38:43,508 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:38:43,509 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:38:43,509 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:38:43,509 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:38:43,510 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:38:43,510 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:38:43,510 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:38:43,510 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:38:43,510 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:38:43,511 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:38:43,511 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:38:43,511 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:38:43,512 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e23cbae473b7ebe14c11b45c39448f8cd5228aeb0245c48e1ba9199773a899 [2024-10-14 09:38:43,706 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:38:43,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:38:43,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:38:43,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:38:43,737 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:38:43,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-56.i [2024-10-14 09:38:45,048 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:38:45,258 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:38:45,259 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-56.i [2024-10-14 09:38:45,275 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ac22e25/292120f97d5b4ba5ab5db5b1db7863dd/FLAG51a15aa7d [2024-10-14 09:38:45,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/92ac22e25/292120f97d5b4ba5ab5db5b1db7863dd [2024-10-14 09:38:45,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:38:45,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:38:45,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:38:45,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:38:45,648 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:38:45,649 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:45,649 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f61c9ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45, skipping insertion in model container [2024-10-14 09:38:45,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:45,680 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:38:45,791 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-56.i[919,932] [2024-10-14 09:38:45,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:38:45,880 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:38:45,892 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-56.i[919,932] [2024-10-14 09:38:45,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:38:45,940 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:38:45,941 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45 WrapperNode [2024-10-14 09:38:45,941 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:38:45,942 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:38:45,942 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:38:45,942 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:38:45,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:45,961 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,014 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 205 [2024-10-14 09:38:46,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:38:46,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:38:46,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:38:46,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:38:46,025 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,032 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,069 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 09:38:46,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,070 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,097 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,115 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,119 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,129 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:38:46,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:38:46,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:38:46,132 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:38:46,133 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (1/1) ... [2024-10-14 09:38:46,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:38:46,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:38:46,163 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 09:38:46,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 09:38:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:38:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:38:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:38:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:38:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:38:46,237 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:38:46,318 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:38:46,320 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:38:46,732 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 09:38:46,733 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:38:46,772 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:38:46,775 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:38:46,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:38:46 BoogieIcfgContainer [2024-10-14 09:38:46,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:38:46,779 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:38:46,779 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:38:46,782 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:38:46,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:38:45" (1/3) ... [2024-10-14 09:38:46,783 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d064d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:38:46, skipping insertion in model container [2024-10-14 09:38:46,783 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:38:45" (2/3) ... [2024-10-14 09:38:46,784 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69d064d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:38:46, skipping insertion in model container [2024-10-14 09:38:46,784 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:38:46" (3/3) ... [2024-10-14 09:38:46,785 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-56.i [2024-10-14 09:38:46,801 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:38:46,802 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:38:46,857 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:38:46,862 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3d5d665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:38:46,863 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:38:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-14 09:38:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 09:38:46,878 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:38:46,879 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:38:46,879 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:38:46,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:38:46,884 INFO L85 PathProgramCache]: Analyzing trace with hash -405723788, now seen corresponding path program 1 times [2024-10-14 09:38:46,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:38:46,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936754651] [2024-10-14 09:38:46,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:38:46,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:38:47,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:38:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:38:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:38:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:38:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:38:47,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:38:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:38:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:38:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:38:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:38:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:38:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:38:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:38:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:38:47,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:38:47,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:38:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:38:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:38:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:38:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:38:47,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:38:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:38:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:38:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:38:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:38:47,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:38:47,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:38:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:38:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:38:47,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 09:38:47,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 09:38:47,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:38:47,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936754651] [2024-10-14 09:38:47,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936754651] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:38:47,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:38:47,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:38:47,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146639244] [2024-10-14 09:38:47,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:38:47,380 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:38:47,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:38:47,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:38:47,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:38:47,403 INFO L87 Difference]: Start difference. First operand has 86 states, 53 states have (on average 1.4528301886792452) internal successors, (77), 54 states have internal predecessors, (77), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 09:38:47,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:38:47,446 INFO L93 Difference]: Finished difference Result 168 states and 300 transitions. [2024-10-14 09:38:47,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:38:47,454 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) Word has length 190 [2024-10-14 09:38:47,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:38:47,463 INFO L225 Difference]: With dead ends: 168 [2024-10-14 09:38:47,464 INFO L226 Difference]: Without dead ends: 83 [2024-10-14 09:38:47,468 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:38:47,473 INFO L432 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:38:47,475 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:38:47,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2024-10-14 09:38:47,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2024-10-14 09:38:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 51 states have (on average 1.3529411764705883) internal successors, (69), 51 states have internal predecessors, (69), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2024-10-14 09:38:47,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2024-10-14 09:38:47,517 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 190 [2024-10-14 09:38:47,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:38:47,517 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2024-10-14 09:38:47,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 09:38:47,518 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2024-10-14 09:38:47,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 09:38:47,521 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:38:47,522 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:38:47,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:38:47,522 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:38:47,523 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:38:47,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1718608556, now seen corresponding path program 1 times [2024-10-14 09:38:47,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:38:47,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797373852] [2024-10-14 09:38:47,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:38:47,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:38:47,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:38:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:38:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:38:47,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:38:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:38:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,739 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:38:47,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:38:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:38:47,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:38:47,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:38:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,753 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:38:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:38:47,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:38:47,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:38:47,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:38:47,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:38:47,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:38:47,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:38:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:38:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:38:47,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:38:47,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:38:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:38:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:38:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:38:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:38:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:38:47,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:38:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:38:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 09:38:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:47,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 09:38:47,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:38:47,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797373852] [2024-10-14 09:38:47,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797373852] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:38:47,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:38:47,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:38:47,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859638649] [2024-10-14 09:38:47,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:38:47,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:38:47,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:38:47,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:38:47,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:38:47,821 INFO L87 Difference]: Start difference. First operand 83 states and 129 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:47,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:38:47,872 INFO L93 Difference]: Finished difference Result 196 states and 301 transitions. [2024-10-14 09:38:47,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:38:47,873 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 190 [2024-10-14 09:38:47,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:38:47,877 INFO L225 Difference]: With dead ends: 196 [2024-10-14 09:38:47,878 INFO L226 Difference]: Without dead ends: 114 [2024-10-14 09:38:47,879 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:38:47,879 INFO L432 NwaCegarLoop]: 125 mSDtfsCounter, 39 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:38:47,880 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 243 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:38:47,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-10-14 09:38:47,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 111. [2024-10-14 09:38:47,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 74 states have (on average 1.3783783783783783) internal successors, (102), 75 states have internal predecessors, (102), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 09:38:47,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 170 transitions. [2024-10-14 09:38:47,894 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 170 transitions. Word has length 190 [2024-10-14 09:38:47,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:38:47,895 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 170 transitions. [2024-10-14 09:38:47,895 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 170 transitions. [2024-10-14 09:38:47,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 09:38:47,897 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:38:47,898 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:38:47,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:38:47,898 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:38:47,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:38:47,898 INFO L85 PathProgramCache]: Analyzing trace with hash 1017543978, now seen corresponding path program 1 times [2024-10-14 09:38:47,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:38:47,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918785546] [2024-10-14 09:38:47,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:38:47,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:38:48,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:38:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:38:48,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:38:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:38:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:38:48,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:38:48,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:38:48,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:38:48,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:38:48,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:38:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:38:48,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:38:48,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:38:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:38:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:38:48,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:38:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:38:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:38:48,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:38:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:38:48,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:38:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:38:48,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:38:48,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:38:48,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:38:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:38:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:38:48,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:38:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:38:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 09:38:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:48,781 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 09:38:48,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:38:48,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918785546] [2024-10-14 09:38:48,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918785546] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:38:48,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:38:48,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:38:48,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [960762469] [2024-10-14 09:38:48,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:38:48,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:38:48,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:38:48,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:38:48,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:38:48,787 INFO L87 Difference]: Start difference. First operand 111 states and 170 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:48,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:38:48,923 INFO L93 Difference]: Finished difference Result 283 states and 430 transitions. [2024-10-14 09:38:48,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:38:48,924 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 190 [2024-10-14 09:38:48,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:38:48,927 INFO L225 Difference]: With dead ends: 283 [2024-10-14 09:38:48,928 INFO L226 Difference]: Without dead ends: 173 [2024-10-14 09:38:48,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:38:48,929 INFO L432 NwaCegarLoop]: 158 mSDtfsCounter, 81 mSDsluCounter, 380 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 538 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:38:48,929 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 538 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:38:48,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-10-14 09:38:48,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 125. [2024-10-14 09:38:48,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 89 states have internal predecessors, (123), 34 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (34), 33 states have call predecessors, (34), 34 states have call successors, (34) [2024-10-14 09:38:48,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 191 transitions. [2024-10-14 09:38:48,941 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 191 transitions. Word has length 190 [2024-10-14 09:38:48,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:38:48,942 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 191 transitions. [2024-10-14 09:38:48,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:48,942 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 191 transitions. [2024-10-14 09:38:48,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 09:38:48,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:38:48,945 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:38:48,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:38:48,945 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:38:48,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:38:48,945 INFO L85 PathProgramCache]: Analyzing trace with hash -3524376, now seen corresponding path program 1 times [2024-10-14 09:38:48,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:38:48,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000114012] [2024-10-14 09:38:48,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:38:48,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:38:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:38:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:38:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:38:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:38:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:38:49,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:38:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:38:49,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:38:49,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:38:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:38:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:38:49,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:38:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:38:49,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:38:49,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:38:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:38:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:38:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:38:49,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,198 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:38:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:38:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:38:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:38:49,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:38:49,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:38:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:38:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:38:49,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:38:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:38:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:38:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 09:38:49,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 09:38:49,277 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:38:49,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000114012] [2024-10-14 09:38:49,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000114012] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:38:49,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:38:49,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:38:49,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838176466] [2024-10-14 09:38:49,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:38:49,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:38:49,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:38:49,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:38:49,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:38:49,279 INFO L87 Difference]: Start difference. First operand 125 states and 191 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:49,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:38:49,350 INFO L93 Difference]: Finished difference Result 372 states and 570 transitions. [2024-10-14 09:38:49,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:38:49,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 190 [2024-10-14 09:38:49,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:38:49,354 INFO L225 Difference]: With dead ends: 372 [2024-10-14 09:38:49,354 INFO L226 Difference]: Without dead ends: 248 [2024-10-14 09:38:49,355 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:38:49,356 INFO L432 NwaCegarLoop]: 124 mSDtfsCounter, 62 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:38:49,356 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 234 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:38:49,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2024-10-14 09:38:49,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 246. [2024-10-14 09:38:49,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 173 states have (on average 1.393063583815029) internal successors, (241), 175 states have internal predecessors, (241), 68 states have call successors, (68), 4 states have call predecessors, (68), 4 states have return successors, (68), 66 states have call predecessors, (68), 68 states have call successors, (68) [2024-10-14 09:38:49,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 377 transitions. [2024-10-14 09:38:49,392 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 377 transitions. Word has length 190 [2024-10-14 09:38:49,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:38:49,393 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 377 transitions. [2024-10-14 09:38:49,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:49,393 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 377 transitions. [2024-10-14 09:38:49,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2024-10-14 09:38:49,395 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:38:49,395 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:38:49,395 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:38:49,399 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:38:49,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:38:49,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1440245804, now seen corresponding path program 1 times [2024-10-14 09:38:49,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:38:49,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697097625] [2024-10-14 09:38:49,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:38:49,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:38:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:38:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:38:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:38:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:38:49,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:38:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:38:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:38:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:38:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:38:49,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:38:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:38:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:38:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:38:49,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:38:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:38:49,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:38:49,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:38:49,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:38:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:38:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:38:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:38:49,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:38:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:38:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:38:49,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:38:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:38:49,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:38:49,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:38:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:38:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 09:38:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:49,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 09:38:49,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:38:49,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697097625] [2024-10-14 09:38:49,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697097625] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:38:49,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:38:49,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:38:49,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804502293] [2024-10-14 09:38:49,750 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:38:49,750 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:38:49,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:38:49,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:38:49,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:38:49,752 INFO L87 Difference]: Start difference. First operand 246 states and 377 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:49,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:38:49,801 INFO L93 Difference]: Finished difference Result 480 states and 734 transitions. [2024-10-14 09:38:49,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:38:49,801 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 190 [2024-10-14 09:38:49,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:38:49,805 INFO L225 Difference]: With dead ends: 480 [2024-10-14 09:38:49,805 INFO L226 Difference]: Without dead ends: 356 [2024-10-14 09:38:49,806 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:38:49,807 INFO L432 NwaCegarLoop]: 167 mSDtfsCounter, 72 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:38:49,807 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 290 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:38:49,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-10-14 09:38:49,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 354. [2024-10-14 09:38:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 245 states have (on average 1.379591836734694) internal successors, (338), 248 states have internal predecessors, (338), 102 states have call successors, (102), 6 states have call predecessors, (102), 6 states have return successors, (102), 99 states have call predecessors, (102), 102 states have call successors, (102) [2024-10-14 09:38:49,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 542 transitions. [2024-10-14 09:38:49,861 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 542 transitions. Word has length 190 [2024-10-14 09:38:49,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:38:49,862 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 542 transitions. [2024-10-14 09:38:49,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2024-10-14 09:38:49,863 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 542 transitions. [2024-10-14 09:38:49,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-14 09:38:49,866 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:38:49,866 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:38:49,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 09:38:49,866 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:38:49,867 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:38:49,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1210260568, now seen corresponding path program 1 times [2024-10-14 09:38:49,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:38:49,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284949168] [2024-10-14 09:38:49,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:38:49,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:38:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,289 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:38:53,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:38:53,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,294 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:38:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:38:53,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:38:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:38:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:38:53,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:38:53,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:38:53,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:38:53,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:38:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:38:53,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:38:53,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:38:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:38:53,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:38:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,321 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:38:53,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:38:53,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:38:53,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:38:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:38:53,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:38:53,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:38:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:38:53,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:38:53,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-14 09:38:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2024-10-14 09:38:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2024-10-14 09:38:53,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2024-10-14 09:38:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2024-10-14 09:38:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:38:53,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2024-10-14 09:38:53,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:38:53,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284949168] [2024-10-14 09:38:53,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284949168] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:38:53,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:38:53,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-14 09:38:53,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434419491] [2024-10-14 09:38:53,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:38:53,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-14 09:38:53,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:38:53,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-14 09:38:53,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2024-10-14 09:38:53,368 INFO L87 Difference]: Start difference. First operand 354 states and 542 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 09:38:54,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:38:54,854 INFO L93 Difference]: Finished difference Result 680 states and 1020 transitions. [2024-10-14 09:38:54,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-14 09:38:54,855 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 191 [2024-10-14 09:38:54,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:38:54,859 INFO L225 Difference]: With dead ends: 680 [2024-10-14 09:38:54,860 INFO L226 Difference]: Without dead ends: 556 [2024-10-14 09:38:54,861 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2024-10-14 09:38:54,861 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 282 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 465 mSolverCounterSat, 98 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 98 IncrementalHoareTripleChecker+Valid, 465 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:38:54,862 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 399 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [98 Valid, 465 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 09:38:54,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-10-14 09:38:54,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 459. [2024-10-14 09:38:54,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 333 states have (on average 1.3933933933933933) internal successors, (464), 338 states have internal predecessors, (464), 114 states have call successors, (114), 11 states have call predecessors, (114), 11 states have return successors, (114), 109 states have call predecessors, (114), 114 states have call successors, (114) [2024-10-14 09:38:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 692 transitions. [2024-10-14 09:38:54,931 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 692 transitions. Word has length 191 [2024-10-14 09:38:54,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:38:54,932 INFO L471 AbstractCegarLoop]: Abstraction has 459 states and 692 transitions. [2024-10-14 09:38:54,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2024-10-14 09:38:54,933 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 692 transitions. [2024-10-14 09:38:54,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2024-10-14 09:38:54,937 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:38:54,938 INFO L215 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:38:54,938 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 09:38:54,938 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:38:54,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:38:54,941 INFO L85 PathProgramCache]: Analyzing trace with hash 1210200986, now seen corresponding path program 1 times [2024-10-14 09:38:54,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:38:54,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546010441] [2024-10-14 09:38:54,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:38:54,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:38:55,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat