./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e11f3c906705d67516f2403b91ed24ff3fcd75be61b0cd09de29e7ec9ebe172 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 04:53:18,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 04:53:18,470 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-20 04:53:18,477 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 04:53:18,478 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 04:53:18,515 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 04:53:18,516 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 04:53:18,516 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 04:53:18,517 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 04:53:18,519 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 04:53:18,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 04:53:18,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 04:53:18,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 04:53:18,524 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 04:53:18,525 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 04:53:18,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 04:53:18,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 04:53:18,526 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 04:53:18,526 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 04:53:18,526 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 04:53:18,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 04:53:18,527 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 04:53:18,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 04:53:18,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 04:53:18,528 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 04:53:18,530 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 04:53:18,530 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 04:53:18,531 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 04:53:18,531 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 04:53:18,531 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 04:53:18,531 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 04:53:18,532 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 04:53:18,532 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:53:18,532 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 04:53:18,533 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 04:53:18,534 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 04:53:18,534 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 04:53:18,535 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 04:53:18,535 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 04:53:18,535 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 04:53:18,536 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 04:53:18,536 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 04:53:18,536 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e11f3c906705d67516f2403b91ed24ff3fcd75be61b0cd09de29e7ec9ebe172 [2024-11-20 04:53:18,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 04:53:18,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 04:53:18,884 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 04:53:18,885 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 04:53:18,886 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 04:53:18,887 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i [2024-11-20 04:53:20,496 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 04:53:20,732 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 04:53:20,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i [2024-11-20 04:53:20,744 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42c6fcafa/75d21aa1c63542c7b99b46a7ef4f4b60/FLAGc5e7bef73 [2024-11-20 04:53:21,072 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42c6fcafa/75d21aa1c63542c7b99b46a7ef4f4b60 [2024-11-20 04:53:21,074 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 04:53:21,076 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 04:53:21,079 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 04:53:21,079 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 04:53:21,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 04:53:21,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cf87bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21, skipping insertion in model container [2024-11-20 04:53:21,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 04:53:21,342 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i[919,932] [2024-11-20 04:53:21,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:53:21,490 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 04:53:21,503 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i[919,932] [2024-11-20 04:53:21,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 04:53:21,574 INFO L204 MainTranslator]: Completed translation [2024-11-20 04:53:21,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21 WrapperNode [2024-11-20 04:53:21,574 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 04:53:21,576 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 04:53:21,576 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 04:53:21,576 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 04:53:21,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,608 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,651 INFO L138 Inliner]: procedures = 26, calls = 55, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2024-11-20 04:53:21,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 04:53:21,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 04:53:21,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 04:53:21,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 04:53:21,667 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,671 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,709 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]. [2024-11-20 04:53:21,713 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,714 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,746 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,767 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 04:53:21,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 04:53:21,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 04:53:21,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 04:53:21,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (1/1) ... [2024-11-20 04:53:21,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 04:53:21,789 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 04:53:21,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-20 04:53:21,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-20 04:53:21,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 04:53:21,865 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-20 04:53:21,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-20 04:53:21,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 04:53:21,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 04:53:21,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 04:53:21,974 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 04:53:21,976 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 04:53:22,474 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-20 04:53:22,475 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 04:53:22,496 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 04:53:22,498 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-20 04:53:22,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:53:22 BoogieIcfgContainer [2024-11-20 04:53:22,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 04:53:22,501 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 04:53:22,501 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 04:53:22,504 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 04:53:22,505 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 04:53:21" (1/3) ... [2024-11-20 04:53:22,507 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bc45b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:53:22, skipping insertion in model container [2024-11-20 04:53:22,507 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 04:53:21" (2/3) ... [2024-11-20 04:53:22,508 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52bc45b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 04:53:22, skipping insertion in model container [2024-11-20 04:53:22,508 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 04:53:22" (3/3) ... [2024-11-20 04:53:22,509 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-cn_file-98.i [2024-11-20 04:53:22,527 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 04:53:22,528 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-20 04:53:22,621 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 04:53:22,631 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;@7fc7e8e6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 04:53:22,632 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-20 04:53:22,636 INFO L276 IsEmpty]: Start isEmpty. Operand has 118 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 04:53:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-20 04:53:22,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:22,664 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:22,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:22,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:22,672 INFO L85 PathProgramCache]: Analyzing trace with hash -270369977, now seen corresponding path program 1 times [2024-11-20 04:53:22,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:22,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373931753] [2024-11-20 04:53:22,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:22,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:53:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:53:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:53:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:53:23,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:53:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:53:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:53:23,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:53:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:53:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:53:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:53:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:53:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:53:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:53:23,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:53:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:53:23,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:53:23,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:53:23,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:53:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:53:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:53:23,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:53:23,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:53:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:53:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,273 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:53:23,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:53:23,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:53:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,286 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:53:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:53:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:53:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:53:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:53:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,323 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:53:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:53:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:53:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:53:23,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,354 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 04:53:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:53:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,377 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 04:53:23,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,384 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 04:53:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 04:53:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 04:53:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:23,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 04:53:23,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:53:23,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373931753] [2024-11-20 04:53:23,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373931753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:53:23,417 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:53:23,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 04:53:23,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846808956] [2024-11-20 04:53:23,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:53:23,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-20 04:53:23,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:53:23,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-20 04:53:23,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:53:23,461 INFO L87 Difference]: Start difference. First operand has 118 states, 73 states have (on average 1.4109589041095891) internal successors, (103), 74 states have internal predecessors, (103), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) Second operand has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 04:53:23,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:53:23,515 INFO L93 Difference]: Finished difference Result 229 states and 410 transitions. [2024-11-20 04:53:23,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-20 04:53:23,518 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) Word has length 261 [2024-11-20 04:53:23,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:53:23,530 INFO L225 Difference]: With dead ends: 229 [2024-11-20 04:53:23,531 INFO L226 Difference]: Without dead ends: 114 [2024-11-20 04:53:23,536 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-20 04:53:23,543 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 180 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:53:23,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 180 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:53:23,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2024-11-20 04:53:23,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2024-11-20 04:53:23,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 70 states have (on average 1.3714285714285714) internal successors, (96), 70 states have internal predecessors, (96), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 04:53:23,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 180 transitions. [2024-11-20 04:53:23,624 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 180 transitions. Word has length 261 [2024-11-20 04:53:23,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:53:23,627 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 180 transitions. [2024-11-20 04:53:23,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 27.0) internal successors, (54), 2 states have internal predecessors, (54), 2 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 2 states have call successors, (42) [2024-11-20 04:53:23,628 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 180 transitions. [2024-11-20 04:53:23,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2024-11-20 04:53:23,638 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:23,639 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:23,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 04:53:23,639 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:23,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:23,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1414196985, now seen corresponding path program 1 times [2024-11-20 04:53:23,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:23,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187759055] [2024-11-20 04:53:23,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:23,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:53:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:53:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:53:24,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:53:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,652 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:53:24,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:53:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:53:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:53:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:53:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:53:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:53:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:53:24,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,709 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:53:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:53:24,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,716 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:53:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,720 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:53:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:53:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:53:24,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:53:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:53:24,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,746 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:53:24,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:53:24,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:53:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:53:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:53:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:53:24,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:53:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:53:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:53:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:53:24,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:53:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:53:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:53:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,806 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:53:24,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:53:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:53:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 04:53:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:53:24,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,837 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 04:53:24,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 04:53:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 04:53:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 04:53:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:24,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 04:53:24,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:53:24,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187759055] [2024-11-20 04:53:24,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187759055] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:53:24,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:53:24,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:53:24,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500431813] [2024-11-20 04:53:24,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:53:24,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:53:24,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:53:24,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:53:24,872 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:53:24,873 INFO L87 Difference]: Start difference. First operand 114 states and 180 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:24,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:53:24,929 INFO L93 Difference]: Finished difference Result 226 states and 359 transitions. [2024-11-20 04:53:24,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:53:24,930 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 261 [2024-11-20 04:53:24,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:53:24,937 INFO L225 Difference]: With dead ends: 226 [2024-11-20 04:53:24,937 INFO L226 Difference]: Without dead ends: 115 [2024-11-20 04:53:24,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:53:24,939 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 0 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 04:53:24,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 352 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 04:53:24,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2024-11-20 04:53:24,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2024-11-20 04:53:24,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 71 states have internal predecessors, (97), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 04:53:24,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 181 transitions. [2024-11-20 04:53:24,967 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 181 transitions. Word has length 261 [2024-11-20 04:53:24,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:53:24,970 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 181 transitions. [2024-11-20 04:53:24,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:24,972 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 181 transitions. [2024-11-20 04:53:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-20 04:53:24,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:24,979 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:24,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 04:53:24,980 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:24,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:24,981 INFO L85 PathProgramCache]: Analyzing trace with hash 242289455, now seen corresponding path program 1 times [2024-11-20 04:53:24,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:24,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979363866] [2024-11-20 04:53:24,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:24,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:53:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:53:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:53:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:53:25,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:53:25,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:53:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:53:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:53:25,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:53:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:53:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:53:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:53:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:53:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:53:25,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:53:25,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:53:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:53:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:53:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:53:25,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:53:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:53:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,991 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:53:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,995 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:53:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:25,998 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:53:25,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:53:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,005 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:53:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,009 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:53:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:53:26,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:53:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:53:26,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,027 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:53:26,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,031 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:53:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:53:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,040 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:53:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:53:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:53:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 04:53:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:53:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,069 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 04:53:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 04:53:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 04:53:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 04:53:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:26,094 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 04:53:26,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:53:26,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979363866] [2024-11-20 04:53:26,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1979363866] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:53:26,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:53:26,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 04:53:26,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20223049] [2024-11-20 04:53:26,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:53:26,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 04:53:26,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:53:26,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 04:53:26,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:53:26,101 INFO L87 Difference]: Start difference. First operand 115 states and 181 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:26,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:53:26,194 INFO L93 Difference]: Finished difference Result 247 states and 393 transitions. [2024-11-20 04:53:26,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 04:53:26,195 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 262 [2024-11-20 04:53:26,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:53:26,197 INFO L225 Difference]: With dead ends: 247 [2024-11-20 04:53:26,197 INFO L226 Difference]: Without dead ends: 135 [2024-11-20 04:53:26,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 04:53:26,200 INFO L432 NwaCegarLoop]: 200 mSDtfsCounter, 41 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 352 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 04:53:26,200 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 352 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 04:53:26,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2024-11-20 04:53:26,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 115. [2024-11-20 04:53:26,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 71 states have (on average 1.352112676056338) internal successors, (96), 71 states have internal predecessors, (96), 42 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-20 04:53:26,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 180 transitions. [2024-11-20 04:53:26,212 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 180 transitions. Word has length 262 [2024-11-20 04:53:26,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:53:26,213 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 180 transitions. [2024-11-20 04:53:26,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:26,213 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 180 transitions. [2024-11-20 04:53:26,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-20 04:53:26,216 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:26,217 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:26,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-20 04:53:26,223 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:26,223 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:26,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1751855251, now seen corresponding path program 1 times [2024-11-20 04:53:26,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:26,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673651730] [2024-11-20 04:53:26,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:26,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-20 04:53:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-20 04:53:29,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2024-11-20 04:53:29,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-20 04:53:29,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-20 04:53:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-20 04:53:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-11-20 04:53:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-20 04:53:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-20 04:53:29,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-20 04:53:29,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-20 04:53:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-20 04:53:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-20 04:53:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-20 04:53:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,750 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-20 04:53:29,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-20 04:53:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-20 04:53:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-20 04:53:29,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-20 04:53:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-20 04:53:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-20 04:53:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-20 04:53:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2024-11-20 04:53:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-20 04:53:29,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2024-11-20 04:53:29,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-20 04:53:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2024-11-20 04:53:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2024-11-20 04:53:29,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,832 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-20 04:53:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2024-11-20 04:53:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2024-11-20 04:53:29,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2024-11-20 04:53:29,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2024-11-20 04:53:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,866 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2024-11-20 04:53:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2024-11-20 04:53:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2024-11-20 04:53:29,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2024-11-20 04:53:29,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,894 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2024-11-20 04:53:29,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2024-11-20 04:53:29,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,906 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2024-11-20 04:53:29,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2024-11-20 04:53:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2024-11-20 04:53:29,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 04:53:29,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3444 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3444 trivial. 0 not checked. [2024-11-20 04:53:29,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 04:53:29,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673651730] [2024-11-20 04:53:29,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [673651730] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 04:53:29,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 04:53:29,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-20 04:53:29,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912154855] [2024-11-20 04:53:29,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 04:53:29,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 04:53:29,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 04:53:29,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 04:53:29,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-20 04:53:29,931 INFO L87 Difference]: Start difference. First operand 115 states and 180 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:31,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 04:53:31,053 INFO L93 Difference]: Finished difference Result 470 states and 736 transitions. [2024-11-20 04:53:31,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 04:53:31,054 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) Word has length 262 [2024-11-20 04:53:31,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 04:53:31,060 INFO L225 Difference]: With dead ends: 470 [2024-11-20 04:53:31,061 INFO L226 Difference]: Without dead ends: 358 [2024-11-20 04:53:31,062 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2024-11-20 04:53:31,067 INFO L432 NwaCegarLoop]: 275 mSDtfsCounter, 537 mSDsluCounter, 250 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 375 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 525 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 375 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 04:53:31,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 525 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [375 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 04:53:31,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-11-20 04:53:31,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 275. [2024-11-20 04:53:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 275 states, 167 states have (on average 1.341317365269461) internal successors, (224), 168 states have internal predecessors, (224), 104 states have call successors, (104), 3 states have call predecessors, (104), 3 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2024-11-20 04:53:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 432 transitions. [2024-11-20 04:53:31,188 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 432 transitions. Word has length 262 [2024-11-20 04:53:31,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 04:53:31,190 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 432 transitions. [2024-11-20 04:53:31,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (42), 1 states have call predecessors, (42), 1 states have return successors, (42), 1 states have call predecessors, (42), 1 states have call successors, (42) [2024-11-20 04:53:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 432 transitions. [2024-11-20 04:53:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2024-11-20 04:53:31,193 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 04:53:31,194 INFO L215 NwaCegarLoop]: trace histogram [42, 42, 42, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 04:53:31,194 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-20 04:53:31,194 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-20 04:53:31,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 04:53:31,198 INFO L85 PathProgramCache]: Analyzing trace with hash -2144882261, now seen corresponding path program 1 times [2024-11-20 04:53:31,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 04:53:31,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458506349] [2024-11-20 04:53:31,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 04:53:31,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 04:53:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat