./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-cn_file-75.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-pe-cn_file-75.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 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 09:10:49,330 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 09:10:49,429 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 09:10:49,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 09:10:49,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 09:10:49,461 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 09:10:49,462 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 09:10:49,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 09:10:49,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 09:10:49,463 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 09:10:49,465 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 09:10:49,465 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 09:10:49,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 09:10:49,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 09:10:49,469 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 09:10:49,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 09:10:49,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 09:10:49,470 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 09:10:49,470 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 09:10:49,470 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 09:10:49,470 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 09:10:49,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 09:10:49,475 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 09:10:49,475 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 09:10:49,475 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 09:10:49,475 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 09:10:49,476 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 09:10:49,476 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 09:10:49,476 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 09:10:49,476 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 09:10:49,476 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 09:10:49,477 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 09:10:49,477 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:10:49,477 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 09:10:49,477 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 09:10:49,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 09:10:49,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 09:10:49,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 09:10:49,478 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 09:10:49,478 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 09:10:49,479 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 09:10:49,479 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 09:10:49,479 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6766b869334f6c13b6400432d1bdf678f66e99650a5efe1fef629afa9b4351bf [2024-10-11 09:10:49,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 09:10:49,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 09:10:49,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 09:10:49,789 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 09:10:49,790 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 09:10:49,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-11 09:10:51,238 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 09:10:51,452 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 09:10:51,452 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-11 09:10:51,466 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0301635d5/7649734f98984e2da7fcd25abb8834e7/FLAGc372be2e0 [2024-10-11 09:10:51,482 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/0301635d5/7649734f98984e2da7fcd25abb8834e7 [2024-10-11 09:10:51,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 09:10:51,485 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 09:10:51,486 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 09:10:51,486 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 09:10:51,490 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 09:10:51,491 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,492 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ca4f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51, skipping insertion in model container [2024-10-11 09:10:51,492 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,514 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 09:10:51,659 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-cn_file-75.i[919,932] [2024-10-11 09:10:51,724 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:10:51,734 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 09:10:51,744 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-cn_file-75.i[919,932] [2024-10-11 09:10:51,774 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 09:10:51,791 INFO L204 MainTranslator]: Completed translation [2024-10-11 09:10:51,794 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51 WrapperNode [2024-10-11 09:10:51,795 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 09:10:51,796 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 09:10:51,796 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 09:10:51,796 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 09:10:51,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,817 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,854 INFO L138 Inliner]: procedures = 26, calls = 62, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 341 [2024-10-11 09:10:51,855 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 09:10:51,856 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 09:10:51,856 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 09:10:51,856 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 09:10:51,869 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,874 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,898 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 09:10:51,902 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,913 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,919 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,920 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,925 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,928 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 09:10:51,932 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 09:10:51,932 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 09:10:51,933 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 09:10:51,933 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (1/1) ... [2024-10-11 09:10:51,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 09:10:51,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:10:51,963 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 09:10:51,966 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 09:10:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 09:10:52,000 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 09:10:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 09:10:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 09:10:52,001 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 09:10:52,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 09:10:52,095 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 09:10:52,097 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 09:10:52,510 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-10-11 09:10:52,511 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 09:10:52,560 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 09:10:52,560 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 09:10:52,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:10:52 BoogieIcfgContainer [2024-10-11 09:10:52,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 09:10:52,562 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 09:10:52,563 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 09:10:52,566 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 09:10:52,566 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 09:10:51" (1/3) ... [2024-10-11 09:10:52,567 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de65894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:10:52, skipping insertion in model container [2024-10-11 09:10:52,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 09:10:51" (2/3) ... [2024-10-11 09:10:52,568 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de65894 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 09:10:52, skipping insertion in model container [2024-10-11 09:10:52,568 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 09:10:52" (3/3) ... [2024-10-11 09:10:52,572 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-cn_file-75.i [2024-10-11 09:10:52,587 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 09:10:52,588 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 09:10:52,647 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 09:10:52,652 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;@bba3a1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 09:10:52,653 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 09:10:52,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 142 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 91 states have internal predecessors, (131), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 09:10:52,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-10-11 09:10:52,672 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:10:52,673 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:52,674 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:10:52,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:10:52,679 INFO L85 PathProgramCache]: Analyzing trace with hash 1353987591, now seen corresponding path program 1 times [2024-10-11 09:10:52,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:10:52,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558453456] [2024-10-11 09:10:52,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:10:52,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:10:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,942 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:10:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 09:10:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 09:10:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 09:10:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:10:52,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:10:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:10:52,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:10:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:10:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:10:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:10:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 09:10:52,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,994 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:10:52,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:52,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:10:52,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,001 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:10:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 09:10:53,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:10:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 09:10:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:10:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 09:10:53,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:10:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 09:10:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:10:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:10:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:10:53,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:10:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:10:53,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:10:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:10:53,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:10:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 09:10:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,054 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:10:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:10:53,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:10:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:10:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:10:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:10:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 09:10:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 09:10:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:10:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:10:53,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,082 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:10:53,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:10:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:10:53,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:10:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:10:53,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 09:10:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 09:10:53,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 09:10:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,120 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 09:10:53,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:10:53,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558453456] [2024-10-11 09:10:53,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558453456] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:10:53,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:10:53,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 09:10:53,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915635550] [2024-10-11 09:10:53,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:10:53,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 09:10:53,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:10:53,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 09:10:53,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 09:10:53,186 INFO L87 Difference]: Start difference. First operand has 142 states, 90 states have (on average 1.4555555555555555) internal successors, (131), 91 states have internal predecessors, (131), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-11 09:10:53,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:10:53,233 INFO L93 Difference]: Finished difference Result 281 states and 505 transitions. [2024-10-11 09:10:53,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 09:10:53,240 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) Word has length 301 [2024-10-11 09:10:53,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:10:53,249 INFO L225 Difference]: With dead ends: 281 [2024-10-11 09:10:53,251 INFO L226 Difference]: Without dead ends: 140 [2024-10-11 09:10:53,257 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 09:10:53,286 INFO L432 NwaCegarLoop]: 220 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, 220 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 09:10:53,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 220 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:10:53,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-10-11 09:10:53,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-10-11 09:10:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 09:10:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 223 transitions. [2024-10-11 09:10:53,342 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 223 transitions. Word has length 301 [2024-10-11 09:10:53,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:10:53,343 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 223 transitions. [2024-10-11 09:10:53,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-11 09:10:53,345 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 223 transitions. [2024-10-11 09:10:53,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2024-10-11 09:10:53,350 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:10:53,350 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:53,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 09:10:53,353 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:10:53,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:10:53,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1025716577, now seen corresponding path program 1 times [2024-10-11 09:10:53,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:10:53,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [595028617] [2024-10-11 09:10:53,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:10:53,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:10:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:10:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 09:10:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 09:10:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 09:10:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:10:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:10:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:10:53,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:10:53,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:10:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:10:53,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:10:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 09:10:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:10:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:10:53,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:10:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 09:10:53,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:10:53,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 09:10:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:10:53,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 09:10:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:53,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:10:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 09:10:54,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:10:54,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:10:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,013 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:10:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:10:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:10:54,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:10:54,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:10:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:10:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 09:10:54,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:10:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:10:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:10:54,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:10:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,035 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:10:54,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:10:54,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 09:10:54,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,042 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 09:10:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:10:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:10:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:10:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:10:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:10:54,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:10:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,061 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:10:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 09:10:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 09:10:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 09:10:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,077 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 09:10:54,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:10:54,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [595028617] [2024-10-11 09:10:54,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [595028617] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:10:54,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:10:54,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:10:54,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206471999] [2024-10-11 09:10:54,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:10:54,081 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:10:54,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:10:54,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:10:54,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:10:54,083 INFO L87 Difference]: Start difference. First operand 140 states and 223 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 09:10:54,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:10:54,175 INFO L93 Difference]: Finished difference Result 280 states and 447 transitions. [2024-10-11 09:10:54,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:10:54,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 302 [2024-10-11 09:10:54,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:10:54,184 INFO L225 Difference]: With dead ends: 280 [2024-10-11 09:10:54,184 INFO L226 Difference]: Without dead ends: 141 [2024-10-11 09:10:54,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 09:10:54,189 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-11 09:10:54,189 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 407 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-11 09:10:54,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-11 09:10:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2024-10-11 09:10:54,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 90 states have (on average 1.4) internal successors, (126), 90 states have internal predecessors, (126), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 09:10:54,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 224 transitions. [2024-10-11 09:10:54,220 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 224 transitions. Word has length 302 [2024-10-11 09:10:54,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:10:54,224 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 224 transitions. [2024-10-11 09:10:54,224 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 09:10:54,225 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 224 transitions. [2024-10-11 09:10:54,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2024-10-11 09:10:54,234 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:10:54,234 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:54,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 09:10:54,235 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:10:54,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:10:54,235 INFO L85 PathProgramCache]: Analyzing trace with hash 590412683, now seen corresponding path program 1 times [2024-10-11 09:10:54,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:10:54,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490548206] [2024-10-11 09:10:54,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:10:54,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:10:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:10:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 09:10:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 09:10:54,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 09:10:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:10:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:10:54,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:10:54,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:10:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:10:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:10:54,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,626 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:10:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 09:10:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:10:54,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:10:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:10:54,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 09:10:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:10:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 09:10:54,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:10:54,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 09:10:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:10:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 09:10:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:10:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:10:54,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:10:54,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:10:54,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:10:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:10:54,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:10:54,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:10:54,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 09:10:54,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:10:54,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:10:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:10:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,702 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:10:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:10:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:10:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,710 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 09:10:54,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 09:10:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:10:54,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:10:54,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,733 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:10:54,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:10:54,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:10:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:10:54,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:10:54,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 09:10:54,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 09:10:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 09:10:54,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:54,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4704 trivial. 0 not checked. [2024-10-11 09:10:54,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:10:54,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490548206] [2024-10-11 09:10:54,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490548206] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 09:10:54,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 09:10:54,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 09:10:54,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65857903] [2024-10-11 09:10:54,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 09:10:54,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 09:10:54,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:10:54,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 09:10:54,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 09:10:54,771 INFO L87 Difference]: Start difference. First operand 141 states and 224 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 09:10:54,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:10:54,821 INFO L93 Difference]: Finished difference Result 282 states and 449 transitions. [2024-10-11 09:10:54,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 09:10:54,822 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) Word has length 303 [2024-10-11 09:10:54,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:10:54,828 INFO L225 Difference]: With dead ends: 282 [2024-10-11 09:10:54,830 INFO L226 Difference]: Without dead ends: 142 [2024-10-11 09:10:54,831 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 100 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 09:10:54,832 INFO L432 NwaCegarLoop]: 219 mSDtfsCounter, 0 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 432 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 09:10:54,833 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 432 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 09:10:54,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2024-10-11 09:10:54,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2024-10-11 09:10:54,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 91 states have (on average 1.3956043956043955) internal successors, (127), 91 states have internal predecessors, (127), 49 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 09:10:54,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 225 transitions. [2024-10-11 09:10:54,864 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 225 transitions. Word has length 303 [2024-10-11 09:10:54,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:10:54,866 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 225 transitions. [2024-10-11 09:10:54,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (49), 1 states have call predecessors, (49), 1 states have return successors, (49), 1 states have call predecessors, (49), 1 states have call successors, (49) [2024-10-11 09:10:54,867 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 225 transitions. [2024-10-11 09:10:54,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2024-10-11 09:10:54,873 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:10:54,874 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:54,874 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 09:10:54,874 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:10:54,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:10:54,875 INFO L85 PathProgramCache]: Analyzing trace with hash 1012015214, now seen corresponding path program 1 times [2024-10-11 09:10:54,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:10:54,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255217562] [2024-10-11 09:10:54,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:10:54,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:10:54,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:10:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 09:10:55,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 09:10:55,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 09:10:55,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:10:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:10:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:10:55,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:10:55,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,419 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:10:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,421 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:10:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:10:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 09:10:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:10:55,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:10:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,429 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:10:55,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 09:10:55,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,451 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:10:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 09:10:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:10:55,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 09:10:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:10:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,466 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 09:10:55,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,468 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:10:55,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:10:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:10:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:10:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:10:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:10:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,486 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:10:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,489 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:10:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 09:10:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,495 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:10:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:10:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:10:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:10:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:10:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:10:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 09:10:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,517 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 09:10:55,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:10:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,523 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:10:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:10:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:10:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:10:55,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,534 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:10:55,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,537 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:10:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 09:10:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,543 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 09:10:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,546 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 09:10:55,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,551 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 09:10:55,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:10:55,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255217562] [2024-10-11 09:10:55,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255217562] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 09:10:55,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [353084332] [2024-10-11 09:10:55,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:10:55,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:10:55,552 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:10:55,557 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 09:10:55,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-11 09:10:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:55,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-11 09:10:55,815 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 09:10:56,224 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-10-11 09:10:56,224 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 09:10:56,578 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 09:10:56,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [353084332] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 09:10:56,579 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 09:10:56,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-10-11 09:10:56,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523976917] [2024-10-11 09:10:56,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 09:10:56,580 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-11 09:10:56,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:10:56,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-11 09:10:56,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-10-11 09:10:56,582 INFO L87 Difference]: Start difference. First operand 142 states and 225 transitions. Second operand has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-11 09:10:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:10:57,561 INFO L93 Difference]: Finished difference Result 380 states and 593 transitions. [2024-10-11 09:10:57,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 09:10:57,562 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 304 [2024-10-11 09:10:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:10:57,565 INFO L225 Difference]: With dead ends: 380 [2024-10-11 09:10:57,565 INFO L226 Difference]: Without dead ends: 239 [2024-10-11 09:10:57,567 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 703 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=162, Invalid=344, Unknown=0, NotChecked=0, Total=506 [2024-10-11 09:10:57,568 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 421 mSDsluCounter, 306 mSDsCounter, 0 mSdLazyCounter, 786 mSolverCounterSat, 272 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 423 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 1058 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 272 IncrementalHoareTripleChecker+Valid, 786 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-11 09:10:57,568 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [423 Valid, 526 Invalid, 1058 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [272 Valid, 786 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-11 09:10:57,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-11 09:10:57,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 145. [2024-10-11 09:10:57,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 93 states have internal predecessors, (121), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 09:10:57,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 219 transitions. [2024-10-11 09:10:57,610 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 219 transitions. Word has length 304 [2024-10-11 09:10:57,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:10:57,612 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 219 transitions. [2024-10-11 09:10:57,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.818181818181818) internal successors, (97), 11 states have internal predecessors, (97), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-11 09:10:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 219 transitions. [2024-10-11 09:10:57,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2024-10-11 09:10:57,617 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:10:57,617 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:10:57,638 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-10-11 09:10:57,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:10:57,822 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:10:57,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:10:57,823 INFO L85 PathProgramCache]: Analyzing trace with hash -866947337, now seen corresponding path program 1 times [2024-10-11 09:10:57,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:10:57,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449405655] [2024-10-11 09:10:57,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:10:57,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:10:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 09:10:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2024-10-11 09:10:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2024-10-11 09:10:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2024-10-11 09:10:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-10-11 09:10:58,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-11 09:10:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-11 09:10:58,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-11 09:10:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2024-10-11 09:10:58,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2024-10-11 09:10:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-10-11 09:10:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,298 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2024-10-11 09:10:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-10-11 09:10:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-10-11 09:10:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,301 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-10-11 09:10:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,302 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2024-10-11 09:10:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-10-11 09:10:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-10-11 09:10:58,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-10-11 09:10:58,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2024-10-11 09:10:58,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-10-11 09:10:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-11 09:10:58,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,352 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-10-11 09:10:58,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-10-11 09:10:58,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-10-11 09:10:58,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,360 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-10-11 09:10:58,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-10-11 09:10:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-10-11 09:10:58,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,367 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-10-11 09:10:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-10-11 09:10:58,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-10-11 09:10:58,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-10-11 09:10:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-10-11 09:10:58,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-10-11 09:10:58,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-10-11 09:10:58,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2024-10-11 09:10:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,387 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-10-11 09:10:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,389 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-10-11 09:10:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2024-10-11 09:10:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2024-10-11 09:10:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2024-10-11 09:10:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2024-10-11 09:10:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2024-10-11 09:10:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,405 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2024-10-11 09:10:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2024-10-11 09:10:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2024-10-11 09:10:58,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2024-10-11 09:10:58,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,415 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2024-10-11 09:10:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 271 [2024-10-11 09:10:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,421 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 09:10:58,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:10:58,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449405655] [2024-10-11 09:10:58,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449405655] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 09:10:58,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1224502638] [2024-10-11 09:10:58,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:10:58,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:10:58,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:10:58,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 09:10:58,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-11 09:10:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:10:58,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-10-11 09:10:58,603 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 09:10:59,107 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2058 proven. 99 refuted. 0 times theorem prover too weak. 2547 trivial. 0 not checked. [2024-10-11 09:10:59,107 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 09:10:59,508 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 45 proven. 99 refuted. 0 times theorem prover too weak. 4560 trivial. 0 not checked. [2024-10-11 09:10:59,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1224502638] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-11 09:10:59,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-11 09:10:59,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-10-11 09:10:59,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098987506] [2024-10-11 09:10:59,510 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-11 09:10:59,511 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 09:10:59,511 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:10:59,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 09:10:59,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-10-11 09:10:59,515 INFO L87 Difference]: Start difference. First operand 145 states and 219 transitions. Second operand has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-11 09:11:00,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 09:11:00,646 INFO L93 Difference]: Finished difference Result 383 states and 579 transitions. [2024-10-11 09:11:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-11 09:11:00,647 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) Word has length 305 [2024-10-11 09:11:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 09:11:00,649 INFO L225 Difference]: With dead ends: 383 [2024-10-11 09:11:00,649 INFO L226 Difference]: Without dead ends: 239 [2024-10-11 09:11:00,650 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 725 GetRequests, 702 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=149, Invalid=403, Unknown=0, NotChecked=0, Total=552 [2024-10-11 09:11:00,650 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 518 mSDsluCounter, 829 mSDsCounter, 0 mSdLazyCounter, 1181 mSolverCounterSat, 267 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 1448 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 267 IncrementalHoareTripleChecker+Valid, 1181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 09:11:00,651 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 1049 Invalid, 1448 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [267 Valid, 1181 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 09:11:00,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2024-10-11 09:11:00,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 145. [2024-10-11 09:11:00,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 93 states have (on average 1.2903225806451613) internal successors, (120), 93 states have internal predecessors, (120), 49 states have call successors, (49), 2 states have call predecessors, (49), 2 states have return successors, (49), 49 states have call predecessors, (49), 49 states have call successors, (49) [2024-10-11 09:11:00,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 218 transitions. [2024-10-11 09:11:00,715 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 218 transitions. Word has length 305 [2024-10-11 09:11:00,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 09:11:00,719 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 218 transitions. [2024-10-11 09:11:00,719 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.285714285714286) internal successors, (102), 14 states have internal predecessors, (102), 3 states have call successors, (115), 2 states have call predecessors, (115), 4 states have return successors, (116), 3 states have call predecessors, (116), 3 states have call successors, (116) [2024-10-11 09:11:00,719 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 218 transitions. [2024-10-11 09:11:00,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2024-10-11 09:11:00,721 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 09:11:00,721 INFO L215 NwaCegarLoop]: trace histogram [49, 49, 49, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:11:00,737 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-11 09:11:00,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:11:00,922 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 09:11:00,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 09:11:00,923 INFO L85 PathProgramCache]: Analyzing trace with hash 932686528, now seen corresponding path program 1 times [2024-10-11 09:11:00,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 09:11:00,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248364418] [2024-10-11 09:11:00,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:00,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 09:11:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-10-11 09:11:00,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [901149111] [2024-10-11 09:11:00,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 09:11:00,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-11 09:11:00,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 09:11:00,984 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-11 09:11:00,986 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-11 09:11:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 09:11:01,124 INFO L255 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-10-11 09:11:01,128 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-11 09:11:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4704 backedges. 2394 proven. 75 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2024-10-11 09:11:02,323 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-11 09:11:02,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 09:11:02,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248364418] [2024-10-11 09:11:02,910 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-10-11 09:11:02,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [901149111] [2024-10-11 09:11:02,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [901149111] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-11 09:11:02,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-10-11 09:11:02,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-10-11 09:11:02,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211007778] [2024-10-11 09:11:02,911 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-10-11 09:11:02,911 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-11 09:11:02,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 09:11:02,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-11 09:11:02,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=131, Unknown=2, NotChecked=0, Total=182 [2024-10-11 09:11:02,913 INFO L87 Difference]: Start difference. First operand 145 states and 218 transitions. Second operand has 9 states, 9 states have (on average 8.11111111111111) internal successors, (73), 7 states have internal predecessors, (73), 2 states have call successors, (49), 2 states have call predecessors, (49), 3 states have return successors, (49), 3 states have call predecessors, (49), 2 states have call successors, (49) [2024-10-11 09:11:07,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:11,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:12,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-10-11 09:11:16,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:21,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:25,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:30,794 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:35,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:39,288 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:44,173 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:48,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:53,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:11:58,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:12:02,971 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:12:07,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:12:11,389 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:12:15,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:12:20,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:12:25,639 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-10-11 09:12:30,588 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]