./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_fillercodesize_ps-cn-50_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/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 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:43:46,591 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:43:46,690 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:43:46,698 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:43:46,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:43:46,732 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:43:46,732 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:43:46,733 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:43:46,734 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:43:46,734 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:43:46,734 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:43:46,735 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:43:46,736 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:43:46,736 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:43:46,736 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:43:46,737 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:43:46,737 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:43:46,738 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:43:46,738 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:43:46,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:43:46,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:43:46,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:43:46,740 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:43:46,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:43:46,740 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:43:46,741 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:43:46,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:43:46,741 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:43:46,742 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:43:46,742 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:43:46,742 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:43:46,742 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:43:46,743 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:43:46,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:43:46,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:43:46,745 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:43:46,745 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:43:46,746 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:43:46,746 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:43:46,747 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:43:46,747 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:43:46,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:43:46,748 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-clean/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56ab96e739c021e0a820f09f7d8df07ac4eb08fdb70334870660d3f078d5cedf [2024-10-11 08:43:47,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:43:47,062 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:43:47,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:43:47,068 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:43:47,069 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:43:47,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-10-11 08:43:48,610 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:43:48,829 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:43:48,831 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-10-11 08:43:48,842 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/07ed14b01/f805e60cce624181b45cbfab444ec529/FLAGc0475212b [2024-10-11 08:43:49,196 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/07ed14b01/f805e60cce624181b45cbfab444ec529 [2024-10-11 08:43:49,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:43:49,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:43:49,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:43:49,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:43:49,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:43:49,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f6a2d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49, skipping insertion in model container [2024-10-11 08:43:49,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:43:49,430 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_fillercodesize_ps-cn-50_file-34.i[915,928] [2024-10-11 08:43:49,534 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:43:49,545 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:43:49,558 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_fillercodesize_ps-cn-50_file-34.i[915,928] [2024-10-11 08:43:49,603 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:43:49,621 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:43:49,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49 WrapperNode [2024-10-11 08:43:49,622 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:43:49,623 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:43:49,623 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:43:49,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:43:49,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,699 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 266 [2024-10-11 08:43:49,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:43:49,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:43:49,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:43:49,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:43:49,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,714 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,738 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]. [2024-10-11 08:43:49,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,767 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,796 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:43:49,799 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:43:49,800 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:43:49,800 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:43:49,801 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (1/1) ... [2024-10-11 08:43:49,807 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:43:49,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:43:49,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:43:49,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:43:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:43:49,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:43:49,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:43:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:43:49,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:43:49,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:43:49,977 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:43:49,980 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:43:50,578 INFO L? ?]: Removed 30 outVars from TransFormulas that were not future-live. [2024-10-11 08:43:50,578 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:43:50,620 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:43:50,622 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:43:50,622 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:43:50 BoogieIcfgContainer [2024-10-11 08:43:50,623 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:43:50,627 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:43:50,627 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:43:50,631 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:43:50,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:43:49" (1/3) ... [2024-10-11 08:43:50,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e98e5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:43:50, skipping insertion in model container [2024-10-11 08:43:50,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:43:49" (2/3) ... [2024-10-11 08:43:50,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e98e5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:43:50, skipping insertion in model container [2024-10-11 08:43:50,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:43:50" (3/3) ... [2024-10-11 08:43:50,635 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-50_file-34.i [2024-10-11 08:43:50,654 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:43:50,654 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:43:50,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:43:50,731 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;@5ac01d4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:43:50,732 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:43:50,737 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 08:43:50,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-11 08:43:50,755 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:50,756 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:50,757 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:50,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:50,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1482916598, now seen corresponding path program 1 times [2024-10-11 08:43:50,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:50,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818538770] [2024-10-11 08:43:50,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:50,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:43:51,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,162 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:43:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:43:51,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:43:51,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:43:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:43:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:43:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:43:51,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:43:51,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:43:51,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:43:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:43:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:43:51,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:43:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:43:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:43:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:43:51,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:43:51,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:43:51,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:43:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:43:51,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:43:51,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:43:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:43:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,308 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:43:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:43:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:43:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:43:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:43:51,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:43:51,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:43:51,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:43:51,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:43:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:51,364 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:43:51,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:43:51,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818538770] [2024-10-11 08:43:51,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818538770] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:43:51,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:43:51,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:43:51,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829025217] [2024-10-11 08:43:51,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:43:51,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:43:51,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:43:51,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:43:51,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:43:51,441 INFO L87 Difference]: Start difference. First operand has 106 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 71 states have internal predecessors, (106), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) Second operand has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:43:51,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:43:51,511 INFO L93 Difference]: Finished difference Result 209 states and 375 transitions. [2024-10-11 08:43:51,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:43:51,517 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 208 [2024-10-11 08:43:51,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:43:51,525 INFO L225 Difference]: With dead ends: 209 [2024-10-11 08:43:51,527 INFO L226 Difference]: Without dead ends: 104 [2024-10-11 08:43:51,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:43:51,540 INFO L432 NwaCegarLoop]: 164 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, 164 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 [2024-10-11 08:43:51,542 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 164 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:43:51,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2024-10-11 08:43:51,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2024-10-11 08:43:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 69 states have (on average 1.463768115942029) internal successors, (101), 69 states have internal predecessors, (101), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 08:43:51,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 167 transitions. [2024-10-11 08:43:51,608 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 167 transitions. Word has length 208 [2024-10-11 08:43:51,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:43:51,608 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 167 transitions. [2024-10-11 08:43:51,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:43:51,609 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 167 transitions. [2024-10-11 08:43:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2024-10-11 08:43:51,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:51,616 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:51,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:43:51,617 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:51,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:51,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1719169072, now seen corresponding path program 1 times [2024-10-11 08:43:51,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:51,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790213831] [2024-10-11 08:43:51,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:51,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:43:52,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:43:52,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:43:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:43:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:43:52,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:43:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:43:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:43:52,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:43:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:43:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:43:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:43:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:43:52,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:43:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,331 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:43:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:43:52,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:43:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:43:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:43:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:43:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:43:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:43:52,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:43:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:43:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:43:52,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:43:52,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:43:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:43:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:43:52,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:43:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:43:52,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:43:52,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:43:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:52,443 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:43:52,445 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:43:52,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790213831] [2024-10-11 08:43:52,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790213831] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:43:52,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:43:52,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:43:52,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785525948] [2024-10-11 08:43:52,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:43:52,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:43:52,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:43:52,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:43:52,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:43:52,451 INFO L87 Difference]: Start difference. First operand 104 states and 167 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:43:52,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:43:52,736 INFO L93 Difference]: Finished difference Result 339 states and 543 transitions. [2024-10-11 08:43:52,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:43:52,737 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 208 [2024-10-11 08:43:52,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:43:52,744 INFO L225 Difference]: With dead ends: 339 [2024-10-11 08:43:52,745 INFO L226 Difference]: Without dead ends: 236 [2024-10-11 08:43:52,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:43:52,748 INFO L432 NwaCegarLoop]: 199 mSDtfsCounter, 166 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:43:52,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 519 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [101 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 08:43:52,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-10-11 08:43:52,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 207. [2024-10-11 08:43:52,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 138 states have (on average 1.4565217391304348) internal successors, (201), 138 states have internal predecessors, (201), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 08:43:52,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 333 transitions. [2024-10-11 08:43:52,817 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 333 transitions. Word has length 208 [2024-10-11 08:43:52,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:43:52,819 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 333 transitions. [2024-10-11 08:43:52,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:43:52,819 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 333 transitions. [2024-10-11 08:43:52,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2024-10-11 08:43:52,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:52,822 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:52,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 08:43:52,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:52,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:52,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1262915964, now seen corresponding path program 1 times [2024-10-11 08:43:52,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:52,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755458974] [2024-10-11 08:43:52,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:52,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:43:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:43:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:43:53,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:43:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:43:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:43:53,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:43:53,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:43:53,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:43:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:43:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:43:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:43:53,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:43:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:43:53,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:43:53,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:43:53,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:43:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:43:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:43:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:43:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:43:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:43:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:43:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:43:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:43:53,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:43:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:43:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:43:53,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:43:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:43:53,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:43:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:43:53,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:43:53,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:43:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:43:53,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:43:53,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755458974] [2024-10-11 08:43:53,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755458974] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:43:53,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:43:53,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 08:43:53,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1913069496] [2024-10-11 08:43:53,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:43:53,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 08:43:53,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:43:53,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 08:43:53,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:43:53,303 INFO L87 Difference]: Start difference. First operand 207 states and 333 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:43:53,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:43:53,695 INFO L93 Difference]: Finished difference Result 614 states and 986 transitions. [2024-10-11 08:43:53,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 08:43:53,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 209 [2024-10-11 08:43:53,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:43:53,702 INFO L225 Difference]: With dead ends: 614 [2024-10-11 08:43:53,703 INFO L226 Difference]: Without dead ends: 408 [2024-10-11 08:43:53,704 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:43:53,705 INFO L432 NwaCegarLoop]: 283 mSDtfsCounter, 192 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:43:53,708 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 609 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:43:53,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2024-10-11 08:43:53,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 211. [2024-10-11 08:43:53,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 142 states have (on average 1.443661971830986) internal successors, (205), 142 states have internal predecessors, (205), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 08:43:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 337 transitions. [2024-10-11 08:43:53,792 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 337 transitions. Word has length 209 [2024-10-11 08:43:53,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:43:53,792 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 337 transitions. [2024-10-11 08:43:53,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:43:53,793 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 337 transitions. [2024-10-11 08:43:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 08:43:53,797 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:43:53,797 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:43:53,797 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 08:43:53,797 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:43:53,798 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:43:53,798 INFO L85 PathProgramCache]: Analyzing trace with hash -58348376, now seen corresponding path program 1 times [2024-10-11 08:43:53,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:43:53,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117423635] [2024-10-11 08:43:53,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:43:53,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:43:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:15,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:15,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:44:15,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,081 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:15,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:44:15,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:15,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:44:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,104 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:15,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:44:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:44:15,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:15,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:44:15,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:44:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:44:15,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:44:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:44:15,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:15,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:44:15,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:44:15,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:44:15,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:44:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:44:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:44:15,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:44:15,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:44:15,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:44:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:44:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:44:15,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:44:15,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:15,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:44:15,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:15,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117423635] [2024-10-11 08:44:15,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117423635] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:15,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:15,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-10-11 08:44:15,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597923288] [2024-10-11 08:44:15,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:15,301 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-11 08:44:15,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:15,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-11 08:44:15,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2024-10-11 08:44:15,302 INFO L87 Difference]: Start difference. First operand 211 states and 337 transitions. Second operand has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:17,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:17,596 INFO L93 Difference]: Finished difference Result 791 states and 1219 transitions. [2024-10-11 08:44:17,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-10-11 08:44:17,596 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 08:44:17,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:17,601 INFO L225 Difference]: With dead ends: 791 [2024-10-11 08:44:17,601 INFO L226 Difference]: Without dead ends: 581 [2024-10-11 08:44:17,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=148, Invalid=452, Unknown=0, NotChecked=0, Total=600 [2024-10-11 08:44:17,608 INFO L432 NwaCegarLoop]: 142 mSDtfsCounter, 726 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 812 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 726 SdHoareTripleChecker+Valid, 893 SdHoareTripleChecker+Invalid, 929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:17,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [726 Valid, 893 Invalid, 929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 812 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 08:44:17,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2024-10-11 08:44:17,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 381. [2024-10-11 08:44:17,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 278 states have (on average 1.4388489208633093) internal successors, (400), 278 states have internal predecessors, (400), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 08:44:17,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 598 transitions. [2024-10-11 08:44:17,696 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 598 transitions. Word has length 210 [2024-10-11 08:44:17,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:17,697 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 598 transitions. [2024-10-11 08:44:17,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.6923076923076925) internal successors, (48), 13 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:17,698 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 598 transitions. [2024-10-11 08:44:17,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 08:44:17,702 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:17,702 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:17,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 08:44:17,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:17,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:17,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1090074, now seen corresponding path program 1 times [2024-10-11 08:44:17,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:17,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1029232195] [2024-10-11 08:44:17,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:17,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:17,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:21,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:44:21,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:44:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,291 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:44:21,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:44:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:21,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:44:21,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:21,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:44:21,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:21,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:44:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:44:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:44:21,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:44:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:21,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:44:21,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:44:21,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:44:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:44:21,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:44:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:44:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:44:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:44:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:44:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:44:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:44:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:44:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:21,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:44:21,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:21,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1029232195] [2024-10-11 08:44:21,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1029232195] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:21,471 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:21,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 08:44:21,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134911039] [2024-10-11 08:44:21,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:21,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 08:44:21,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:21,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 08:44:21,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-11 08:44:21,474 INFO L87 Difference]: Start difference. First operand 381 states and 598 transitions. Second operand has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:23,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:23,049 INFO L93 Difference]: Finished difference Result 812 states and 1266 transitions. [2024-10-11 08:44:23,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-11 08:44:23,050 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 08:44:23,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:23,056 INFO L225 Difference]: With dead ends: 812 [2024-10-11 08:44:23,056 INFO L226 Difference]: Without dead ends: 586 [2024-10-11 08:44:23,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-10-11 08:44:23,057 INFO L432 NwaCegarLoop]: 127 mSDtfsCounter, 395 mSDsluCounter, 585 mSDsCounter, 0 mSdLazyCounter, 628 mSolverCounterSat, 108 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 395 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 736 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 108 IncrementalHoareTripleChecker+Valid, 628 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:23,058 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [395 Valid, 712 Invalid, 736 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [108 Valid, 628 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-10-11 08:44:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-10-11 08:44:23,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 426. [2024-10-11 08:44:23,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 323 states have (on average 1.4272445820433437) internal successors, (461), 323 states have internal predecessors, (461), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 08:44:23,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 659 transitions. [2024-10-11 08:44:23,112 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 659 transitions. Word has length 210 [2024-10-11 08:44:23,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:23,113 INFO L471 AbstractCegarLoop]: Abstraction has 426 states and 659 transitions. [2024-10-11 08:44:23,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.333333333333333) internal successors, (48), 9 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:23,113 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 659 transitions. [2024-10-11 08:44:23,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 08:44:23,117 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:23,117 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:23,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 08:44:23,117 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:23,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:23,118 INFO L85 PathProgramCache]: Analyzing trace with hash -867695002, now seen corresponding path program 1 times [2024-10-11 08:44:23,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:23,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909652952] [2024-10-11 08:44:23,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:23,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:23,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:25,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:44:25,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:44:25,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:44:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:44:25,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:44:25,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,539 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:44:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:25,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:44:25,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:44:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:44:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:44:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:25,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:44:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:44:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:44:25,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:44:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:44:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:44:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:44:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:44:25,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:44:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:44:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:44:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:44:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:44:25,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:25,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909652952] [2024-10-11 08:44:25,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909652952] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:25,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:25,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-10-11 08:44:25,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799827984] [2024-10-11 08:44:25,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:25,625 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-11 08:44:25,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:25,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-11 08:44:25,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2024-10-11 08:44:25,626 INFO L87 Difference]: Start difference. First operand 426 states and 659 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:44:26,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:26,773 INFO L93 Difference]: Finished difference Result 800 states and 1229 transitions. [2024-10-11 08:44:26,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-11 08:44:26,773 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 210 [2024-10-11 08:44:26,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:26,777 INFO L225 Difference]: With dead ends: 800 [2024-10-11 08:44:26,778 INFO L226 Difference]: Without dead ends: 576 [2024-10-11 08:44:26,779 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2024-10-11 08:44:26,779 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 577 mSDsluCounter, 581 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 166 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 577 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 166 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:26,780 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [577 Valid, 713 Invalid, 831 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [166 Valid, 665 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 08:44:26,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2024-10-11 08:44:26,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 482. [2024-10-11 08:44:26,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 379 states have (on average 1.4538258575197889) internal successors, (551), 379 states have internal predecessors, (551), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 08:44:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 749 transitions. [2024-10-11 08:44:26,826 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 749 transitions. Word has length 210 [2024-10-11 08:44:26,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:26,827 INFO L471 AbstractCegarLoop]: Abstraction has 482 states and 749 transitions. [2024-10-11 08:44:26,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 10 states have internal predecessors, (48), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:44:26,828 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 749 transitions. [2024-10-11 08:44:26,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 08:44:26,830 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:26,830 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:26,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-11 08:44:26,831 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:26,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:26,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1563247575, now seen corresponding path program 1 times [2024-10-11 08:44:26,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:26,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624992282] [2024-10-11 08:44:26,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:26,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:28,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:44:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:44:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:44:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:44:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:28,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:44:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:44:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,646 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:44:28,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:44:28,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:44:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:44:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:44:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:44:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:44:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:44:28,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:44:28,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:44:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:44:28,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:44:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:44:28,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:44:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:44:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:44:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:28,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:44:28,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:28,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624992282] [2024-10-11 08:44:28,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1624992282] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:28,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:28,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-11 08:44:28,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718409876] [2024-10-11 08:44:28,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:28,715 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-11 08:44:28,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:28,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-11 08:44:28,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-11 08:44:28,716 INFO L87 Difference]: Start difference. First operand 482 states and 749 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:29,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:29,291 INFO L93 Difference]: Finished difference Result 858 states and 1329 transitions. [2024-10-11 08:44:29,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-11 08:44:29,292 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 08:44:29,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:29,297 INFO L225 Difference]: With dead ends: 858 [2024-10-11 08:44:29,297 INFO L226 Difference]: Without dead ends: 596 [2024-10-11 08:44:29,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-10-11 08:44:29,300 INFO L432 NwaCegarLoop]: 146 mSDtfsCounter, 203 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 291 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:29,301 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 597 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 291 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-10-11 08:44:29,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2024-10-11 08:44:29,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 488. [2024-10-11 08:44:29,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 488 states, 385 states have (on average 1.4415584415584415) internal successors, (555), 385 states have internal predecessors, (555), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 08:44:29,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 488 states and 753 transitions. [2024-10-11 08:44:29,343 INFO L78 Accepts]: Start accepts. Automaton has 488 states and 753 transitions. Word has length 210 [2024-10-11 08:44:29,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:29,343 INFO L471 AbstractCegarLoop]: Abstraction has 488 states and 753 transitions. [2024-10-11 08:44:29,343 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 6 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:29,344 INFO L276 IsEmpty]: Start isEmpty. Operand 488 states and 753 transitions. [2024-10-11 08:44:29,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2024-10-11 08:44:29,346 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:29,346 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:29,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-11 08:44:29,346 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:29,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:29,347 INFO L85 PathProgramCache]: Analyzing trace with hash -645154390, now seen corresponding path program 1 times [2024-10-11 08:44:29,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:29,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779960946] [2024-10-11 08:44:29,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:29,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:29,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:44:29,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:44:29,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:44:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:29,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:44:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:44:29,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:44:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:29,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:29,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,745 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:44:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:44:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:44:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:44:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:44:29,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:44:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:44:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:44:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:44:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:44:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:44:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:44:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:44:29,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,818 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:44:29,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:44:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:44:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:29,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:44:29,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:29,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779960946] [2024-10-11 08:44:29,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779960946] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:29,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:29,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-11 08:44:29,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265314646] [2024-10-11 08:44:29,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:29,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-11 08:44:29,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:29,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-11 08:44:29,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-11 08:44:29,834 INFO L87 Difference]: Start difference. First operand 488 states and 753 transitions. Second operand has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:30,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:30,116 INFO L93 Difference]: Finished difference Result 780 states and 1210 transitions. [2024-10-11 08:44:30,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-11 08:44:30,117 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 210 [2024-10-11 08:44:30,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:30,120 INFO L225 Difference]: With dead ends: 780 [2024-10-11 08:44:30,120 INFO L226 Difference]: Without dead ends: 476 [2024-10-11 08:44:30,121 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:44:30,122 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 119 mSDsluCounter, 285 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 100 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 100 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:30,122 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 429 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [100 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-11 08:44:30,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2024-10-11 08:44:30,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 450. [2024-10-11 08:44:30,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 347 states have (on average 1.4092219020172911) internal successors, (489), 347 states have internal predecessors, (489), 99 states have call successors, (99), 3 states have call predecessors, (99), 3 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 08:44:30,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 687 transitions. [2024-10-11 08:44:30,162 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 687 transitions. Word has length 210 [2024-10-11 08:44:30,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:30,163 INFO L471 AbstractCegarLoop]: Abstraction has 450 states and 687 transitions. [2024-10-11 08:44:30,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:30,163 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 687 transitions. [2024-10-11 08:44:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 08:44:30,165 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:30,166 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:30,166 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-11 08:44:30,166 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:30,166 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:30,166 INFO L85 PathProgramCache]: Analyzing trace with hash 1074386887, now seen corresponding path program 1 times [2024-10-11 08:44:30,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:30,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349102697] [2024-10-11 08:44:30,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:30,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:44:34,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:44:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,871 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:34,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:44:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:34,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:44:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:44:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,879 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:34,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:44:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:44:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,886 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:44:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:44:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:44:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,889 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:34,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,891 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:44:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:44:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,893 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:44:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:44:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:44:34,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:44:34,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:44:34,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:44:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:44:34,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:44:34,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:44:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:44:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:34,907 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:44:34,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:34,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349102697] [2024-10-11 08:44:34,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349102697] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:34,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:34,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-10-11 08:44:34,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [719998350] [2024-10-11 08:44:34,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:34,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 08:44:34,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:34,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 08:44:34,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-10-11 08:44:34,910 INFO L87 Difference]: Start difference. First operand 450 states and 687 transitions. Second operand has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:37,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:37,086 INFO L93 Difference]: Finished difference Result 846 states and 1282 transitions. [2024-10-11 08:44:37,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 08:44:37,087 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-11 08:44:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:37,091 INFO L225 Difference]: With dead ends: 846 [2024-10-11 08:44:37,091 INFO L226 Difference]: Without dead ends: 636 [2024-10-11 08:44:37,093 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2024-10-11 08:44:37,094 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 242 mSDsluCounter, 798 mSDsCounter, 0 mSdLazyCounter, 387 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 242 SdHoareTripleChecker+Valid, 969 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 387 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:37,095 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [242 Valid, 969 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 387 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-11 08:44:37,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2024-10-11 08:44:37,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 474. [2024-10-11 08:44:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 369 states have (on average 1.3902439024390243) internal successors, (513), 369 states have internal predecessors, (513), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 08:44:37,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 711 transitions. [2024-10-11 08:44:37,142 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 711 transitions. Word has length 211 [2024-10-11 08:44:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:37,144 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 711 transitions. [2024-10-11 08:44:37,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.444444444444445) internal successors, (49), 9 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 711 transitions. [2024-10-11 08:44:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 08:44:37,146 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:37,146 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:37,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-11 08:44:37,147 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:37,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:37,147 INFO L85 PathProgramCache]: Analyzing trace with hash -199477549, now seen corresponding path program 1 times [2024-10-11 08:44:37,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:37,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309209957] [2024-10-11 08:44:37,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:37,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:44:43,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:44:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 08:44:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,779 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:44:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 08:44:43,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:44:43,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 08:44:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:44:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2024-10-11 08:44:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:44:43,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2024-10-11 08:44:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:44:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,796 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-11 08:44:43,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:44:43,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,800 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:44:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,802 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2024-10-11 08:44:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-11 08:44:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2024-10-11 08:44:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2024-10-11 08:44:43,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2024-10-11 08:44:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-10-11 08:44:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2024-10-11 08:44:43,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2024-10-11 08:44:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2024-10-11 08:44:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2024-10-11 08:44:43,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2024-10-11 08:44:43,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:44:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-11 08:44:43,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,827 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:44:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:44:43,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:44:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:44:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:44:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:44:43,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:44:43,839 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:44:43,839 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309209957] [2024-10-11 08:44:43,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309209957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:44:43,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:44:43,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-10-11 08:44:43,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812870917] [2024-10-11 08:44:43,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:44:43,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-11 08:44:43,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:44:43,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-11 08:44:43,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-10-11 08:44:43,841 INFO L87 Difference]: Start difference. First operand 474 states and 711 transitions. Second operand has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:46,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:44:46,557 INFO L93 Difference]: Finished difference Result 1021 states and 1525 transitions. [2024-10-11 08:44:46,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-11 08:44:46,558 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 211 [2024-10-11 08:44:46,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:44:46,562 INFO L225 Difference]: With dead ends: 1021 [2024-10-11 08:44:46,562 INFO L226 Difference]: Without dead ends: 727 [2024-10-11 08:44:46,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=159, Invalid=347, Unknown=0, NotChecked=0, Total=506 [2024-10-11 08:44:46,563 INFO L432 NwaCegarLoop]: 181 mSDtfsCounter, 391 mSDsluCounter, 519 mSDsCounter, 0 mSdLazyCounter, 698 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 698 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-10-11 08:44:46,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [391 Valid, 700 Invalid, 715 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 698 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-10-11 08:44:46,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2024-10-11 08:44:46,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 557. [2024-10-11 08:44:46,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 452 states have (on average 1.4026548672566372) internal successors, (634), 452 states have internal predecessors, (634), 99 states have call successors, (99), 5 states have call predecessors, (99), 5 states have return successors, (99), 99 states have call predecessors, (99), 99 states have call successors, (99) [2024-10-11 08:44:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 832 transitions. [2024-10-11 08:44:46,613 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 832 transitions. Word has length 211 [2024-10-11 08:44:46,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:44:46,614 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 832 transitions. [2024-10-11 08:44:46,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.083333333333333) internal successors, (49), 12 states have internal predecessors, (49), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:44:46,614 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 832 transitions. [2024-10-11 08:44:46,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2024-10-11 08:44:46,616 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:44:46,616 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:44:46,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-11 08:44:46,617 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:44:46,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:44:46,617 INFO L85 PathProgramCache]: Analyzing trace with hash -1008824175, now seen corresponding path program 1 times [2024-10-11 08:44:46,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:44:46,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014234807] [2024-10-11 08:44:46,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:44:46,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:44:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat