./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.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_fillercodestructure_filler-pr-cn_file-98.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 7e11f3c906705d67516f2403b91ed24ff3fcd75be61b0cd09de29e7ec9ebe172 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:46:20,260 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:46:20,329 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:46:20,333 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:46:20,334 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:46:20,364 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:46:20,365 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:46:20,365 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:46:20,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:46:20,366 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:46:20,367 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:46:20,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:46:20,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:46:20,368 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:46:20,368 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:46:20,369 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:46:20,369 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:46:20,370 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:46:20,370 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:46:20,370 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:46:20,371 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:46:20,371 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:46:20,371 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:46:20,372 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:46:20,372 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:46:20,372 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:46:20,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:46:20,373 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:46:20,373 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:46:20,373 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:46:20,374 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:46:20,374 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:46:20,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:46:20,375 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:46:20,376 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:46:20,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:46:20,377 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:46:20,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:46:20,377 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:46:20,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:46:20,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:46:20,379 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:46:20,379 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e11f3c906705d67516f2403b91ed24ff3fcd75be61b0cd09de29e7ec9ebe172 [2024-10-11 09:46:20,622 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:46:20,649 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:46:20,652 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:46:20,653 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:46:20,653 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:46:20,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i [2024-10-11 09:46:22,197 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:46:22,424 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:46:22,425 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i [2024-10-11 09:46:22,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/78fe8d519/7d8ec8d88e244c3b89bd681bf2b332c9/FLAG027ba0fbc [2024-10-11 09:46:22,456 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/78fe8d519/7d8ec8d88e244c3b89bd681bf2b332c9 [2024-10-11 09:46:22,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:46:22,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:46:22,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:46:22,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:46:22,470 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:46:22,471 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:22,471 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3da17c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22, skipping insertion in model container [2024-10-11 09:46:22,472 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:22,503 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:46:22,680 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i[919,932] [2024-10-11 09:46:22,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:46:22,831 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:46:22,844 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i[919,932] [2024-10-11 09:46:22,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:46:22,917 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:46:22,918 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22 WrapperNode [2024-10-11 09:46:22,918 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:46:22,919 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:46:22,919 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:46:22,920 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:46:22,927 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:22,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:22,984 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2024-10-11 09:46:22,984 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:46:22,985 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:46:22,985 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:46:22,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:46:23,000 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,009 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,046 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 09:46:23,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,059 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,065 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,068 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:46:23,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:46:23,078 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:46:23,078 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:46:23,079 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (1/1) ... [2024-10-11 09:46:23,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:46:23,101 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:46:23,118 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 09:46:23,125 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 09:46:23,172 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:46:23,173 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:46:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:46:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:46:23,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:46:23,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:46:23,336 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:46:23,338 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:46:23,790 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-10-11 09:46:23,791 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:46:23,839 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:46:23,840 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:46:23,840 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:46:23 BoogieIcfgContainer [2024-10-11 09:46:23,840 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:46:23,844 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:46:23,844 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:46:23,848 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:46:23,848 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:46:22" (1/3) ... [2024-10-11 09:46:23,849 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6112e3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:46:23, skipping insertion in model container [2024-10-11 09:46:23,850 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:46:22" (2/3) ... [2024-10-11 09:46:23,851 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6112e3be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:46:23, skipping insertion in model container [2024-10-11 09:46:23,851 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:46:23" (3/3) ... [2024-10-11 09:46:23,852 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i [2024-10-11 09:46:23,872 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:46:23,872 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:46:23,955 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:46:23,963 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;@7d1bcf9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:46:23,964 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:46:23,968 INFO L276 IsEmpty]: Start isEmpty. Operand has 112 states, 67 states have (on average 1.4477611940298507) internal successors, (97), 68 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 09:46:23,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-11 09:46:23,988 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:46:23,989 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:23,989 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:46:23,994 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:46:23,994 INFO L85 PathProgramCache]: Analyzing trace with hash -340314524, now seen corresponding path program 1 times [2024-10-11 09:46:24,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:46:24,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835192873] [2024-10-11 09:46:24,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:46:24,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:46:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:46:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:46:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:46:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:46:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:46:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,487 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 09:46:24,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,497 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:46:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,503 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:46:24,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:46:24,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:46:24,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:46:24,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:46:24,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:46:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:46:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,550 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:46:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:46:24,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:46:24,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:46:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:46:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:46:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:46:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:46:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:46:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:46:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,632 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:46:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:46:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:46:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:46:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:46:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:46:24,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:46:24,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:46:24,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:46:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:46:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:46:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:46:24,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:46:24,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:46:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,726 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:46:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:46:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,743 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:46:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,748 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 09:46:24,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:24,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 09:46:24,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:46:24,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835192873] [2024-10-11 09:46:24,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835192873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:46:24,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:46:24,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:46:24,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538730072] [2024-10-11 09:46:24,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:46:24,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:46:24,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:46:24,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:46:24,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:46:24,808 INFO L87 Difference]: Start difference. First operand has 112 states, 67 states have (on average 1.4477611940298507) internal successors, (97), 68 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-11 09:46:24,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:46:24,873 INFO L93 Difference]: Finished difference Result 221 states and 402 transitions. [2024-10-11 09:46:24,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:46:24,877 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 257 [2024-10-11 09:46:24,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:46:24,886 INFO L225 Difference]: With dead ends: 221 [2024-10-11 09:46:24,886 INFO L226 Difference]: Without dead ends: 110 [2024-10-11 09:46:24,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 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 09:46:24,893 INFO L432 NwaCegarLoop]: 173 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, 173 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 09:46:24,894 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 173 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:46:24,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-10-11 09:46:24,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2024-10-11 09:46:24,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 09:46:24,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 176 transitions. [2024-10-11 09:46:24,954 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 176 transitions. Word has length 257 [2024-10-11 09:46:24,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:46:24,954 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 176 transitions. [2024-10-11 09:46:24,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 25.0) internal successors, (50), 2 states have internal predecessors, (50), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-10-11 09:46:24,956 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 176 transitions. [2024-10-11 09:46:24,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-11 09:46:24,963 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:46:24,963 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:24,964 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:46:24,964 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:46:24,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:46:24,965 INFO L85 PathProgramCache]: Analyzing trace with hash 1146808484, now seen corresponding path program 1 times [2024-10-11 09:46:24,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:46:24,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652236747] [2024-10-11 09:46:24,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:46:24,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:46:25,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:46:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:46:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:46:26,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:46:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:46:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 09:46:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:46:26,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,719 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:46:26,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,724 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:46:26,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:46:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:46:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:46:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:46:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:46:26,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:46:26,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:46:26,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:46:26,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:46:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:46:26,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:46:26,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:46:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:46:26,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:46:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:46:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:46:26,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:46:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:46:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:46:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:46:26,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:46:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:46:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:46:26,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:46:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:46:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:46:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,822 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:46:26,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:46:26,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:46:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:46:26,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:46:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:46:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 09:46:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:26,855 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 09:46:26,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:46:26,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652236747] [2024-10-11 09:46:26,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652236747] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:46:26,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:46:26,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:46:26,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130728945] [2024-10-11 09:46:26,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:46:26,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:46:26,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:46:26,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:46:26,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:46:26,862 INFO L87 Difference]: Start difference. First operand 110 states and 176 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 09:46:27,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:46:27,375 INFO L93 Difference]: Finished difference Result 295 states and 472 transitions. [2024-10-11 09:46:27,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:46:27,376 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 257 [2024-10-11 09:46:27,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:46:27,380 INFO L225 Difference]: With dead ends: 295 [2024-10-11 09:46:27,381 INFO L226 Difference]: Without dead ends: 186 [2024-10-11 09:46:27,382 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-10-11 09:46:27,383 INFO L432 NwaCegarLoop]: 270 mSDtfsCounter, 173 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 243 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 631 SdHoareTripleChecker+Invalid, 243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 243 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-11 09:46:27,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 631 Invalid, 243 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 243 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-11 09:46:27,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-10-11 09:46:27,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 110. [2024-10-11 09:46:27,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 66 states have (on average 1.378787878787879) internal successors, (91), 66 states have internal predecessors, (91), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 09:46:27,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 175 transitions. [2024-10-11 09:46:27,404 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 175 transitions. Word has length 257 [2024-10-11 09:46:27,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:46:27,410 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 175 transitions. [2024-10-11 09:46:27,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 09:46:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 175 transitions. [2024-10-11 09:46:27,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2024-10-11 09:46:27,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:46:27,418 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:27,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:46:27,419 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:46:27,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:46:27,419 INFO L85 PathProgramCache]: Analyzing trace with hash 125740130, now seen corresponding path program 1 times [2024-10-11 09:46:27,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:46:27,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1138774062] [2024-10-11 09:46:27,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:46:27,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:46:27,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:46:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:46:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:46:27,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:46:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:46:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,927 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 09:46:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:46:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:46:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:46:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:46:27,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:46:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:46:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:46:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:46:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:46:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:46:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:46:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:46:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:46:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:46:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:46:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:46:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:46:27,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:46:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:46:27,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:46:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:46:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:27,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:46:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:46:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,007 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:46:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:46:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:46:28,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:46:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:46:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:46:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:46:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:46:28,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:46:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:46:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:46:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:46:28,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 09:46:28,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:28,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 09:46:28,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:46:28,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1138774062] [2024-10-11 09:46:28,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1138774062] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:46:28,049 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:46:28,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:46:28,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848740036] [2024-10-11 09:46:28,049 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:46:28,050 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:46:28,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:46:28,051 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:46:28,051 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:46:28,051 INFO L87 Difference]: Start difference. First operand 110 states and 175 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 09:46:28,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:46:28,090 INFO L93 Difference]: Finished difference Result 220 states and 351 transitions. [2024-10-11 09:46:28,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:46:28,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 257 [2024-10-11 09:46:28,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:46:28,095 INFO L225 Difference]: With dead ends: 220 [2024-10-11 09:46:28,098 INFO L226 Difference]: Without dead ends: 111 [2024-10-11 09:46:28,099 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:46:28,100 INFO L432 NwaCegarLoop]: 171 mSDtfsCounter, 0 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:46:28,100 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 336 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:46:28,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2024-10-11 09:46:28,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2024-10-11 09:46:28,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.373134328358209) internal successors, (92), 67 states have internal predecessors, (92), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-10-11 09:46:28,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 176 transitions. [2024-10-11 09:46:28,124 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 176 transitions. Word has length 257 [2024-10-11 09:46:28,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:46:28,126 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 176 transitions. [2024-10-11 09:46:28,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 09:46:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 176 transitions. [2024-10-11 09:46:28,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-11 09:46:28,130 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:46:28,132 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:28,132 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:46:28,132 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:46:28,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:46:28,133 INFO L85 PathProgramCache]: Analyzing trace with hash -86678384, now seen corresponding path program 1 times [2024-10-11 09:46:28,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:46:28,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333244666] [2024-10-11 09:46:28,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:46:28,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:46:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:46:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,427 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 09:46:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-10-11 09:46:29,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 09:46:29,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,434 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-11 09:46:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-11 09:46:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-10-11 09:46:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,443 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 09:46:29,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,445 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 09:46:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 09:46:29,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 09:46:29,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 09:46:29,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,452 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 09:46:29,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 09:46:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 09:46:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 09:46:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 09:46:29,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 09:46:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 09:46:29,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 09:46:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,473 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 09:46:29,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 09:46:29,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 09:46:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 09:46:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 09:46:29,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 09:46:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 09:46:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,490 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 09:46:29,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 09:46:29,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2024-10-11 09:46:29,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 09:46:29,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2024-10-11 09:46:29,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 09:46:29,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2024-10-11 09:46:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2024-10-11 09:46:29,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2024-10-11 09:46:29,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2024-10-11 09:46:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2024-10-11 09:46:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2024-10-11 09:46:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2024-10-11 09:46:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,535 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2024-10-11 09:46:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2024-10-11 09:46:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:46:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-10-11 09:46:29,541 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:46:29,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333244666] [2024-10-11 09:46:29,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333244666] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:46:29,542 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:46:29,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 09:46:29,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364589896] [2024-10-11 09:46:29,542 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:46:29,543 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 09:46:29,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:46:29,544 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 09:46:29,544 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:46:29,544 INFO L87 Difference]: Start difference. First operand 111 states and 176 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 09:46:30,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:46:30,403 INFO L93 Difference]: Finished difference Result 459 states and 725 transitions. [2024-10-11 09:46:30,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 09:46:30,404 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 258 [2024-10-11 09:46:30,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:46:30,409 INFO L225 Difference]: With dead ends: 459 [2024-10-11 09:46:30,409 INFO L226 Difference]: Without dead ends: 349 [2024-10-11 09:46:30,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-10-11 09:46:30,411 INFO L432 NwaCegarLoop]: 274 mSDtfsCounter, 444 mSDsluCounter, 364 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 638 SdHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-10-11 09:46:30,411 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 638 Invalid, 296 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-10-11 09:46:30,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2024-10-11 09:46:30,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 267. [2024-10-11 09:46:30,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 267 states, 159 states have (on average 1.3584905660377358) internal successors, (216), 160 states have internal predecessors, (216), 104 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-10-11 09:46:30,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 424 transitions. [2024-10-11 09:46:30,531 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 424 transitions. Word has length 258 [2024-10-11 09:46:30,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:46:30,532 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 424 transitions. [2024-10-11 09:46:30,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-10-11 09:46:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 424 transitions. [2024-10-11 09:46:30,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2024-10-11 09:46:30,537 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:46:30,538 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:30,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 09:46:30,538 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:46:30,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:46:30,539 INFO L85 PathProgramCache]: Analyzing trace with hash 593379986, now seen corresponding path program 1 times [2024-10-11 09:46:30,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:46:30,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523234054] [2024-10-11 09:46:30,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:46:30,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:46:30,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat