./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:28:56,921 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:28:57,014 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:28:57,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:28:57,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:28:57,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:28:57,051 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:28:57,052 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:28:57,052 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:28:57,054 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:28:57,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:28:57,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:28:57,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:28:57,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:28:57,057 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:28:57,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:28:57,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:28:57,058 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:28:57,058 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:28:57,059 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:28:57,059 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:28:57,063 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:28:57,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:28:57,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:28:57,063 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:28:57,064 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:28:57,064 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:28:57,064 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:28:57,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:28:57,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:28:57,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:28:57,065 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:28:57,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:28:57,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:28:57,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:28:57,066 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:28:57,067 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:28:57,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:28:57,068 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:28:57,068 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:28:57,068 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:28:57,069 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:28:57,069 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d5288dd00c9a47ff4965115e87370b3520a01ad27a1d9991d0865749a0e86d6 [2024-10-14 09:28:57,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:28:57,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:28:57,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:28:57,370 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:28:57,371 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:28:57,372 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-10-14 09:28:58,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:28:59,076 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:28:59,076 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-10-14 09:28:59,092 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d23743d0/8267b4af3c89405e87ae98c7e48568a8/FLAGe77f67fed [2024-10-14 09:28:59,105 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7d23743d0/8267b4af3c89405e87ae98c7e48568a8 [2024-10-14 09:28:59,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:28:59,109 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:28:59,110 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:28:59,110 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:28:59,116 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:28:59,117 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,118 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ca34ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59, skipping insertion in model container [2024-10-14 09:28:59,118 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,162 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:28:59,354 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i[919,932] [2024-10-14 09:28:59,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:28:59,441 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:28:59,458 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i[919,932] [2024-10-14 09:28:59,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:28:59,538 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:28:59,539 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59 WrapperNode [2024-10-14 09:28:59,542 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:28:59,544 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:28:59,544 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:28:59,545 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:28:59,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,571 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,626 INFO L138 Inliner]: procedures = 26, calls = 51, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 246 [2024-10-14 09:28:59,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:28:59,630 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:28:59,630 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:28:59,630 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:28:59,649 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,649 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,654 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,681 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 09:28:59,682 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,682 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,711 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:28:59,716 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:28:59,717 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:28:59,717 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:28:59,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (1/1) ... [2024-10-14 09:28:59,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:28:59,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:28:59,760 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 09:28:59,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 09:28:59,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:28:59,813 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:28:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:28:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:28:59,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:28:59,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:28:59,921 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:28:59,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:29:00,326 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-10-14 09:29:00,327 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:29:00,374 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:29:00,375 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:29:00,375 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:29:00 BoogieIcfgContainer [2024-10-14 09:29:00,375 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:29:00,378 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:29:00,379 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:29:00,382 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:29:00,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:28:59" (1/3) ... [2024-10-14 09:29:00,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436bba9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:29:00, skipping insertion in model container [2024-10-14 09:29:00,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:28:59" (2/3) ... [2024-10-14 09:29:00,385 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@436bba9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:29:00, skipping insertion in model container [2024-10-14 09:29:00,386 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:29:00" (3/3) ... [2024-10-14 09:29:00,388 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-64.i [2024-10-14 09:29:00,405 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:29:00,406 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:29:00,462 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:29:00,470 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;@1ba14202, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:29:00,470 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:29:00,477 INFO L276 IsEmpty]: Start isEmpty. Operand has 98 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 09:29:00,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 09:29:00,498 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:29:00,499 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:29:00,500 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:29:00,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:29:00,506 INFO L85 PathProgramCache]: Analyzing trace with hash -970457214, now seen corresponding path program 1 times [2024-10-14 09:29:00,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:29:00,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380248754] [2024-10-14 09:29:00,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:29:00,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:29:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,913 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:29:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:29:00,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:29:00,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:29:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:29:00,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:29:00,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:29:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:29:00,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:29:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:29:00,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:29:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,992 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:29:00,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:00,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:29:01,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:29:01,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:29:01,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:29:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:29:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:29:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:29:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:29:01,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:29:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:29:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:29:01,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:29:01,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:29:01,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:29:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:29:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:29:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:29:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:29:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:29:01,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:29:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:29:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:29:01,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 09:29:01,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 09:29:01,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 09:29:01,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,186 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 09:29:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:01,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 09:29:01,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:29:01,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380248754] [2024-10-14 09:29:01,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1380248754] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:29:01,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:29:01,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:29:01,204 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651657881] [2024-10-14 09:29:01,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:29:01,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:29:01,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:29:01,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:29:01,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:29:01,237 INFO L87 Difference]: Start difference. First operand has 98 states, 57 states have (on average 1.4385964912280702) internal successors, (82), 58 states have internal predecessors, (82), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-14 09:29:01,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:29:01,349 INFO L93 Difference]: Finished difference Result 193 states and 352 transitions. [2024-10-14 09:29:01,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:29:01,353 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) Word has length 233 [2024-10-14 09:29:01,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:29:01,365 INFO L225 Difference]: With dead ends: 193 [2024-10-14 09:29:01,365 INFO L226 Difference]: Without dead ends: 96 [2024-10-14 09:29:01,371 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:29:01,378 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:29:01,380 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:29:01,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-10-14 09:29:01,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2024-10-14 09:29:01,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 56 states have (on average 1.375) internal successors, (77), 56 states have internal predecessors, (77), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 09:29:01,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 153 transitions. [2024-10-14 09:29:01,443 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 153 transitions. Word has length 233 [2024-10-14 09:29:01,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:29:01,445 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 153 transitions. [2024-10-14 09:29:01,446 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, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 2 states have call successors, (38) [2024-10-14 09:29:01,447 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 153 transitions. [2024-10-14 09:29:01,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 09:29:01,455 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:29:01,456 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:29:01,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:29:01,457 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:29:01,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:29:01,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1662277506, now seen corresponding path program 1 times [2024-10-14 09:29:01,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:29:01,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922067265] [2024-10-14 09:29:01,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:29:01,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:29:01,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:29:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:29:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:29:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:29:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:29:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:29:05,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:29:05,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:29:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:29:05,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,183 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:29:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:29:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:29:05,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:29:05,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:29:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:29:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:29:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:29:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:29:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,217 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:29:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:29:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:29:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:29:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:29:05,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:29:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:29:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:29:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,248 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:29:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:29:05,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,259 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:29:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:29:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:29:05,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:29:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:29:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,276 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:29:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 09:29:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 09:29:05,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 09:29:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 09:29:05,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 09:29:05,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:29:05,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [922067265] [2024-10-14 09:29:05,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [922067265] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:29:05,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:29:05,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:29:05,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [879369353] [2024-10-14 09:29:05,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:29:05,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:29:05,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:29:05,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:29:05,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:29:05,301 INFO L87 Difference]: Start difference. First operand 96 states and 153 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-14 09:29:05,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:29:05,997 INFO L93 Difference]: Finished difference Result 344 states and 547 transitions. [2024-10-14 09:29:05,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:29:05,997 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-14 09:29:06,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:29:06,005 INFO L225 Difference]: With dead ends: 344 [2024-10-14 09:29:06,007 INFO L226 Difference]: Without dead ends: 249 [2024-10-14 09:29:06,008 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-14 09:29:06,010 INFO L432 NwaCegarLoop]: 235 mSDtfsCounter, 189 mSDsluCounter, 412 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:29:06,010 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 647 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [78 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-14 09:29:06,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-10-14 09:29:06,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 110. [2024-10-14 09:29:06,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 70 states have internal predecessors, (101), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 09:29:06,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 177 transitions. [2024-10-14 09:29:06,037 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 177 transitions. Word has length 233 [2024-10-14 09:29:06,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:29:06,039 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 177 transitions. [2024-10-14 09:29:06,040 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-14 09:29:06,040 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2024-10-14 09:29:06,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 09:29:06,044 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:29:06,046 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:29:06,046 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:29:06,047 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:29:06,047 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:29:06,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1088288386, now seen corresponding path program 1 times [2024-10-14 09:29:06,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:29:06,048 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002534312] [2024-10-14 09:29:06,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:29:06,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:29:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:29:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:29:06,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:29:06,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:29:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:29:06,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:29:06,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:29:06,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,349 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:29:06,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:29:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:29:06,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:29:06,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:29:06,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:29:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,366 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:29:06,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:29:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:29:06,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:29:06,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:29:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:29:06,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:29:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:29:06,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:29:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:29:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:29:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:29:06,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:29:06,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:29:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:29:06,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:29:06,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:29:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:29:06,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:29:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:29:06,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:29:06,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 09:29:06,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 09:29:06,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 09:29:06,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 09:29:06,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:06,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 09:29:06,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:29:06,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002534312] [2024-10-14 09:29:06,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002534312] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:29:06,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:29:06,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:29:06,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149990398] [2024-10-14 09:29:06,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:29:06,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:29:06,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:29:06,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:29:06,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:29:06,443 INFO L87 Difference]: Start difference. First operand 110 states and 177 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-14 09:29:06,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:29:06,807 INFO L93 Difference]: Finished difference Result 318 states and 505 transitions. [2024-10-14 09:29:06,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:29:06,808 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-14 09:29:06,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:29:06,814 INFO L225 Difference]: With dead ends: 318 [2024-10-14 09:29:06,817 INFO L226 Difference]: Without dead ends: 209 [2024-10-14 09:29:06,819 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:29:06,820 INFO L432 NwaCegarLoop]: 269 mSDtfsCounter, 166 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 827 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:29:06,821 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 827 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 09:29:06,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-10-14 09:29:06,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 110. [2024-10-14 09:29:06,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 70 states have internal predecessors, (101), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 09:29:06,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 177 transitions. [2024-10-14 09:29:06,847 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 177 transitions. Word has length 233 [2024-10-14 09:29:06,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:29:06,849 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 177 transitions. [2024-10-14 09:29:06,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-14 09:29:06,850 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2024-10-14 09:29:06,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2024-10-14 09:29:06,854 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:29:06,854 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:29:06,854 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:29:06,855 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:29:06,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:29:06,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2099405636, now seen corresponding path program 1 times [2024-10-14 09:29:06,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:29:06,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868862547] [2024-10-14 09:29:06,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:29:06,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:29:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:29:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:29:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:29:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,330 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:29:10,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:29:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:29:10,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:29:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:29:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:29:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:29:10,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:29:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:29:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,372 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-14 09:29:10,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:29:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-14 09:29:10,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,381 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:29:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-14 09:29:10,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:29:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-14 09:29:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:29:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-14 09:29:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:29:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-14 09:29:10,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:29:10,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-14 09:29:10,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:29:10,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-14 09:29:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2024-10-14 09:29:10,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2024-10-14 09:29:10,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-14 09:29:10,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2024-10-14 09:29:10,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-14 09:29:10,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2024-10-14 09:29:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2024-10-14 09:29:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2024-10-14 09:29:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-14 09:29:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2024-10-14 09:29:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-14 09:29:10,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:29:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2812 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2812 trivial. 0 not checked. [2024-10-14 09:29:10,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:29:10,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868862547] [2024-10-14 09:29:10,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868862547] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:29:10,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:29:10,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:29:10,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036603229] [2024-10-14 09:29:10,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:29:10,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:29:10,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:29:10,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:29:10,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:29:10,454 INFO L87 Difference]: Start difference. First operand 110 states and 177 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-14 09:29:10,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:29:10,827 INFO L93 Difference]: Finished difference Result 313 states and 496 transitions. [2024-10-14 09:29:10,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:29:10,827 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) Word has length 233 [2024-10-14 09:29:10,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:29:10,830 INFO L225 Difference]: With dead ends: 313 [2024-10-14 09:29:10,831 INFO L226 Difference]: Without dead ends: 204 [2024-10-14 09:29:10,834 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-14 09:29:10,835 INFO L432 NwaCegarLoop]: 245 mSDtfsCounter, 157 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-14 09:29:10,837 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 647 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-14 09:29:10,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-14 09:29:10,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 96. [2024-10-14 09:29:10,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 56 states have (on average 1.3571428571428572) internal successors, (76), 56 states have internal predecessors, (76), 38 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-10-14 09:29:10,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 152 transitions. [2024-10-14 09:29:10,861 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 152 transitions. Word has length 233 [2024-10-14 09:29:10,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:29:10,862 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 152 transitions. [2024-10-14 09:29:10,862 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (38), 1 states have call predecessors, (38), 1 states have return successors, (38), 1 states have call predecessors, (38), 1 states have call successors, (38) [2024-10-14 09:29:10,862 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 152 transitions. [2024-10-14 09:29:10,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2024-10-14 09:29:10,869 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:29:10,869 INFO L215 NwaCegarLoop]: trace histogram [38, 38, 38, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-14 09:29:10,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:29:10,869 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:29:10,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:29:10,870 INFO L85 PathProgramCache]: Analyzing trace with hash -112589373, now seen corresponding path program 1 times [2024-10-14 09:29:10,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:29:10,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875525509] [2024-10-14 09:29:10,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:29:10,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:29:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat