./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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 ../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.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 ce9fa65ad297a46fd1c0c7bb56056c5a0304efd02803c9735a082016b49852e1 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 21:37:02,433 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 21:37:02,493 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 21:37:02,498 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 21:37:02,498 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 21:37:02,538 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 21:37:02,538 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 21:37:02,545 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 21:37:02,546 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 21:37:02,546 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 21:37:02,546 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 21:37:02,547 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 21:37:02,547 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 21:37:02,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 21:37:02,547 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 21:37:02,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 21:37:02,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 21:37:02,550 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 21:37:02,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 21:37:02,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 21:37:02,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 21:37:02,558 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 21:37:02,558 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 21:37:02,558 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 21:37:02,559 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 21:37:02,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 21:37:02,559 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 21:37:02,559 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 21:37:02,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 21:37:02,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 21:37:02,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 21:37:02,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 21:37:02,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:37:02,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 21:37:02,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 21:37:02,560 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 21:37:02,560 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 21:37:02,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 21:37:02,560 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 21:37:02,560 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 21:37:02,561 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 21:37:02,561 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 21:37:02,561 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce9fa65ad297a46fd1c0c7bb56056c5a0304efd02803c9735a082016b49852e1 [2024-11-08 21:37:02,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 21:37:02,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 21:37:02,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 21:37:02,808 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 21:37:02,815 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 21:37:02,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i [2024-11-08 21:37:04,156 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 21:37:04,306 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 21:37:04,308 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i [2024-11-08 21:37:04,314 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f3ff150/cf528cfc416d463a981e13bd4c91c1eb/FLAG5c5eead17 [2024-11-08 21:37:04,715 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05f3ff150/cf528cfc416d463a981e13bd4c91c1eb [2024-11-08 21:37:04,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 21:37:04,719 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 21:37:04,720 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 21:37:04,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 21:37:04,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 21:37:04,726 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:37:04" (1/1) ... [2024-11-08 21:37:04,726 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@571e16e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:04, skipping insertion in model container [2024-11-08 21:37:04,727 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 09:37:04" (1/1) ... [2024-11-08 21:37:04,768 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 21:37:04,895 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-pe-co_file-86.i[919,932] [2024-11-08 21:37:04,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:37:04,970 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 21:37:04,981 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-pe-co_file-86.i[919,932] [2024-11-08 21:37:05,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 21:37:05,018 INFO L204 MainTranslator]: Completed translation [2024-11-08 21:37:05,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05 WrapperNode [2024-11-08 21:37:05,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 21:37:05,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 21:37:05,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 21:37:05,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 21:37:05,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,104 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-11-08 21:37:05,105 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 21:37:05,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 21:37:05,110 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 21:37:05,114 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 21:37:05,142 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,163 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,200 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]. [2024-11-08 21:37:05,200 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,200 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,219 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,226 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,237 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 21:37:05,238 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 21:37:05,238 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 21:37:05,238 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 21:37:05,242 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (1/1) ... [2024-11-08 21:37:05,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 21:37:05,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 21:37:05,272 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) [2024-11-08 21:37:05,274 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 [2024-11-08 21:37:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 21:37:05,307 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 21:37:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 21:37:05,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 21:37:05,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 21:37:05,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 21:37:05,381 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 21:37:05,382 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 21:37:05,683 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-11-08 21:37:05,683 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 21:37:05,698 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 21:37:05,699 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 21:37:05,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:37:05 BoogieIcfgContainer [2024-11-08 21:37:05,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 21:37:05,701 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 21:37:05,701 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 21:37:05,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 21:37:05,705 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 09:37:04" (1/3) ... [2024-11-08 21:37:05,706 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7923edb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:37:05, skipping insertion in model container [2024-11-08 21:37:05,706 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 09:37:05" (2/3) ... [2024-11-08 21:37:05,707 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7923edb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 09:37:05, skipping insertion in model container [2024-11-08 21:37:05,707 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 09:37:05" (3/3) ... [2024-11-08 21:37:05,709 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pe-co_file-86.i [2024-11-08 21:37:05,725 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 21:37:05,726 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 21:37:05,797 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 21:37:05,803 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;@3c9435c7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 21:37:05,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 21:37:05,807 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 21:37:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 21:37:05,819 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:05,820 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:05,820 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:05,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:05,825 INFO L85 PathProgramCache]: Analyzing trace with hash 109598789, now seen corresponding path program 1 times [2024-11-08 21:37:05,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:05,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293515200] [2024-11-08 21:37:05,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:05,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:06,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:06,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:06,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,142 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:06,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:06,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:06,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:06,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,187 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:06,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:06,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,199 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:06,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:06,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,209 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:06,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:06,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293515200] [2024-11-08 21:37:06,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293515200] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:06,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:06,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 21:37:06,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872099747] [2024-11-08 21:37:06,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:06,215 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 21:37:06,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:06,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 21:37:06,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:37:06,258 INFO L87 Difference]: Start difference. First operand has 97 states, 67 states have (on average 1.492537313432836) internal successors, (100), 68 states have internal predecessors, (100), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:06,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:06,280 INFO L93 Difference]: Finished difference Result 187 states and 329 transitions. [2024-11-08 21:37:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 21:37:06,281 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-08 21:37:06,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:06,286 INFO L225 Difference]: With dead ends: 187 [2024-11-08 21:37:06,286 INFO L226 Difference]: Without dead ends: 93 [2024-11-08 21:37:06,289 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 21:37:06,291 INFO L432 NwaCegarLoop]: 146 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, 146 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 [2024-11-08 21:37:06,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 146 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:37:06,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-08 21:37:06,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2024-11-08 21:37:06,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 64 states have (on average 1.4375) internal successors, (92), 64 states have internal predecessors, (92), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 21:37:06,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 146 transitions. [2024-11-08 21:37:06,323 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 146 transitions. Word has length 174 [2024-11-08 21:37:06,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:06,326 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 146 transitions. [2024-11-08 21:37:06,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:06,326 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 146 transitions. [2024-11-08 21:37:06,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 21:37:06,330 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:06,330 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:06,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 21:37:06,331 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:06,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:06,332 INFO L85 PathProgramCache]: Analyzing trace with hash 744198851, now seen corresponding path program 1 times [2024-11-08 21:37:06,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:06,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811071131] [2024-11-08 21:37:06,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:06,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:06,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:06,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:06,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:06,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:06,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,629 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:06,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:06,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:06,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:06,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:06,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:06,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,675 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:06,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:06,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811071131] [2024-11-08 21:37:06,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811071131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:06,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:06,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:37:06,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440933949] [2024-11-08 21:37:06,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:06,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:37:06,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:06,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:37:06,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:37:06,682 INFO L87 Difference]: Start difference. First operand 93 states and 146 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:06,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:06,714 INFO L93 Difference]: Finished difference Result 184 states and 291 transitions. [2024-11-08 21:37:06,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:37:06,714 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-08 21:37:06,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:06,716 INFO L225 Difference]: With dead ends: 184 [2024-11-08 21:37:06,716 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 21:37:06,717 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:37:06,718 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 0 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 284 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 [2024-11-08 21:37:06,718 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 284 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:37:06,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 21:37:06,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2024-11-08 21:37:06,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 65 states have (on average 1.4307692307692308) internal successors, (93), 65 states have internal predecessors, (93), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 21:37:06,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 147 transitions. [2024-11-08 21:37:06,728 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 147 transitions. Word has length 174 [2024-11-08 21:37:06,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:06,729 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 147 transitions. [2024-11-08 21:37:06,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:06,729 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 147 transitions. [2024-11-08 21:37:06,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 21:37:06,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:06,731 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:06,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 21:37:06,732 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:06,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:06,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1775761083, now seen corresponding path program 1 times [2024-11-08 21:37:06,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:06,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226894874] [2024-11-08 21:37:06,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:06,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:06,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:06,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,002 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,008 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:07,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:07,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:07,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:07,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,063 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:07,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:07,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,083 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:07,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:07,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:07,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226894874] [2024-11-08 21:37:07,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226894874] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:07,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:07,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 21:37:07,102 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839489272] [2024-11-08 21:37:07,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:07,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 21:37:07,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:07,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 21:37:07,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:37:07,106 INFO L87 Difference]: Start difference. First operand 94 states and 147 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:07,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:07,355 INFO L93 Difference]: Finished difference Result 277 states and 436 transitions. [2024-11-08 21:37:07,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:37:07,356 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-08 21:37:07,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:07,359 INFO L225 Difference]: With dead ends: 277 [2024-11-08 21:37:07,359 INFO L226 Difference]: Without dead ends: 186 [2024-11-08 21:37:07,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:37:07,363 INFO L432 NwaCegarLoop]: 141 mSDtfsCounter, 114 mSDsluCounter, 349 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 490 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:07,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 490 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 21:37:07,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-08 21:37:07,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 141. [2024-11-08 21:37:07,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 84 states have (on average 1.3333333333333333) internal successors, (112), 84 states have internal predecessors, (112), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 21:37:07,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 220 transitions. [2024-11-08 21:37:07,388 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 220 transitions. Word has length 174 [2024-11-08 21:37:07,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:07,389 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 220 transitions. [2024-11-08 21:37:07,389 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:07,389 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 220 transitions. [2024-11-08 21:37:07,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 21:37:07,392 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:07,392 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:07,392 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 21:37:07,393 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:07,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:07,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1353059257, now seen corresponding path program 1 times [2024-11-08 21:37:07,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:07,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1257429218] [2024-11-08 21:37:07,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:07,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:07,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,911 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,920 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:15,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:15,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:15,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:15,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:15,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:15,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,948 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:15,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:15,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:15,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:15,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:15,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,981 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:15,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:15,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:15,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,990 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:15,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:15,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:15,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:15,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1257429218] [2024-11-08 21:37:15,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1257429218] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:15,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:15,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:37:15,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493497305] [2024-11-08 21:37:15,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:15,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:37:15,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:15,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:37:15,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:37:15,997 INFO L87 Difference]: Start difference. First operand 141 states and 220 transitions. Second operand has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:20,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:20,583 INFO L93 Difference]: Finished difference Result 497 states and 782 transitions. [2024-11-08 21:37:20,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 21:37:20,584 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 174 [2024-11-08 21:37:20,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:20,590 INFO L225 Difference]: With dead ends: 497 [2024-11-08 21:37:20,590 INFO L226 Difference]: Without dead ends: 406 [2024-11-08 21:37:20,591 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=269, Invalid=723, Unknown=0, NotChecked=0, Total=992 [2024-11-08 21:37:20,592 INFO L432 NwaCegarLoop]: 152 mSDtfsCounter, 1342 mSDsluCounter, 960 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 187 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1342 SdHoareTripleChecker+Valid, 1112 SdHoareTripleChecker+Invalid, 1076 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 187 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:20,592 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1342 Valid, 1112 Invalid, 1076 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [187 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 21:37:20,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2024-11-08 21:37:20,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 184. [2024-11-08 21:37:20,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 184 states, 127 states have (on average 1.4251968503937007) internal successors, (181), 127 states have internal predecessors, (181), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 21:37:20,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 289 transitions. [2024-11-08 21:37:20,611 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 289 transitions. Word has length 174 [2024-11-08 21:37:20,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:20,611 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 289 transitions. [2024-11-08 21:37:20,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.625) internal successors, (42), 16 states have internal predecessors, (42), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:20,614 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 289 transitions. [2024-11-08 21:37:20,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 21:37:20,616 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:20,616 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:20,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 21:37:20,617 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:20,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:20,617 INFO L85 PathProgramCache]: Analyzing trace with hash -651994679, now seen corresponding path program 1 times [2024-11-08 21:37:20,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:20,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444145239] [2024-11-08 21:37:20,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:20,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,934 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:20,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:20,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:20,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:20,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,958 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:20,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,966 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:20,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:20,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:20,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:20,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:20,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:20,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444145239] [2024-11-08 21:37:20,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [444145239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:20,986 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:20,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 21:37:20,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617581097] [2024-11-08 21:37:20,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:20,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 21:37:20,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:20,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 21:37:20,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 21:37:20,991 INFO L87 Difference]: Start difference. First operand 184 states and 289 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:21,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:21,097 INFO L93 Difference]: Finished difference Result 359 states and 563 transitions. [2024-11-08 21:37:21,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 21:37:21,098 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-08 21:37:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:21,100 INFO L225 Difference]: With dead ends: 359 [2024-11-08 21:37:21,101 INFO L226 Difference]: Without dead ends: 268 [2024-11-08 21:37:21,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:37:21,103 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 181 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 181 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:21,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [181 Valid, 396 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 21:37:21,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-08 21:37:21,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 195. [2024-11-08 21:37:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 138 states have (on average 1.434782608695652) internal successors, (198), 138 states have internal predecessors, (198), 54 states have call successors, (54), 2 states have call predecessors, (54), 2 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-08 21:37:21,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 306 transitions. [2024-11-08 21:37:21,133 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 306 transitions. Word has length 174 [2024-11-08 21:37:21,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:21,133 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 306 transitions. [2024-11-08 21:37:21,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:21,134 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 306 transitions. [2024-11-08 21:37:21,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2024-11-08 21:37:21,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:21,137 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:21,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 21:37:21,137 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:21,137 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:21,137 INFO L85 PathProgramCache]: Analyzing trace with hash 947763333, now seen corresponding path program 1 times [2024-11-08 21:37:21,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:21,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100881631] [2024-11-08 21:37:21,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:21,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,191 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:21,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:21,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,196 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,205 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,208 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,211 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:21,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,214 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:21,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:21,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:21,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:21,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:21,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,225 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:21,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:21,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:21,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:21,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100881631] [2024-11-08 21:37:21,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100881631] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:21,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:21,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:37:21,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074030152] [2024-11-08 21:37:21,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:21,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:37:21,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:21,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:37:21,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:37:21,240 INFO L87 Difference]: Start difference. First operand 195 states and 306 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:21,280 INFO L93 Difference]: Finished difference Result 430 states and 678 transitions. [2024-11-08 21:37:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:37:21,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 174 [2024-11-08 21:37:21,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:21,284 INFO L225 Difference]: With dead ends: 430 [2024-11-08 21:37:21,284 INFO L226 Difference]: Without dead ends: 328 [2024-11-08 21:37:21,285 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:37:21,285 INFO L432 NwaCegarLoop]: 201 mSDtfsCounter, 136 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:21,286 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 332 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:37:21,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-11-08 21:37:21,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 326. [2024-11-08 21:37:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 326 states, 241 states have (on average 1.4439834024896265) internal successors, (348), 241 states have internal predecessors, (348), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 21:37:21,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 510 transitions. [2024-11-08 21:37:21,306 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 510 transitions. Word has length 174 [2024-11-08 21:37:21,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:21,307 INFO L471 AbstractCegarLoop]: Abstraction has 326 states and 510 transitions. [2024-11-08 21:37:21,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:21,307 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 510 transitions. [2024-11-08 21:37:21,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 21:37:21,309 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:21,309 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:21,310 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 21:37:21,310 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:21,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:21,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1391099721, now seen corresponding path program 1 times [2024-11-08 21:37:21,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:21,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84373905] [2024-11-08 21:37:21,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:21,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:21,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:24,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,228 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:24,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,260 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,262 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:24,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:24,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:24,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:24,280 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:24,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [84373905] [2024-11-08 21:37:24,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [84373905] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:24,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:24,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-08 21:37:24,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527955389] [2024-11-08 21:37:24,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:24,281 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 21:37:24,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:24,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 21:37:24,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2024-11-08 21:37:24,282 INFO L87 Difference]: Start difference. First operand 326 states and 510 transitions. Second operand has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:25,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:25,492 INFO L93 Difference]: Finished difference Result 671 states and 1044 transitions. [2024-11-08 21:37:25,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 21:37:25,493 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-08 21:37:25,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:25,495 INFO L225 Difference]: With dead ends: 671 [2024-11-08 21:37:25,495 INFO L226 Difference]: Without dead ends: 437 [2024-11-08 21:37:25,496 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=191, Invalid=565, Unknown=0, NotChecked=0, Total=756 [2024-11-08 21:37:25,497 INFO L432 NwaCegarLoop]: 148 mSDtfsCounter, 971 mSDsluCounter, 954 mSDsCounter, 0 mSdLazyCounter, 582 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 1102 SdHoareTripleChecker+Invalid, 695 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:25,497 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 1102 Invalid, 695 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 582 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-08 21:37:25,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2024-11-08 21:37:25,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 290. [2024-11-08 21:37:25,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 205 states have (on average 1.4097560975609755) internal successors, (289), 205 states have internal predecessors, (289), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 21:37:25,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 451 transitions. [2024-11-08 21:37:25,519 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 451 transitions. Word has length 175 [2024-11-08 21:37:25,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:25,520 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 451 transitions. [2024-11-08 21:37:25,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.8666666666666667) internal successors, (43), 15 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:25,520 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 451 transitions. [2024-11-08 21:37:25,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 21:37:25,521 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:25,522 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:25,522 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 21:37:25,522 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:25,522 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:25,522 INFO L85 PathProgramCache]: Analyzing trace with hash -1339895313, now seen corresponding path program 1 times [2024-11-08 21:37:25,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:25,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [772747991] [2024-11-08 21:37:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:25,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,757 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,762 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:25,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,765 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:25,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:25,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:25,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:25,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:25,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:25,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:25,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,781 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:25,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:25,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:25,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:25,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:25,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:25,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [772747991] [2024-11-08 21:37:25,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [772747991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:25,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:25,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 21:37:25,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630544248] [2024-11-08 21:37:25,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:25,801 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 21:37:25,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:25,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 21:37:25,803 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 21:37:25,803 INFO L87 Difference]: Start difference. First operand 290 states and 451 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:25,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:25,863 INFO L93 Difference]: Finished difference Result 556 states and 871 transitions. [2024-11-08 21:37:25,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 21:37:25,864 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-08 21:37:25,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:25,868 INFO L225 Difference]: With dead ends: 556 [2024-11-08 21:37:25,869 INFO L226 Difference]: Without dead ends: 356 [2024-11-08 21:37:25,869 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 21:37:25,870 INFO L432 NwaCegarLoop]: 134 mSDtfsCounter, 197 mSDsluCounter, 252 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:25,871 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [197 Valid, 386 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:37:25,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2024-11-08 21:37:25,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 290. [2024-11-08 21:37:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 205 states have (on average 1.3853658536585365) internal successors, (284), 205 states have internal predecessors, (284), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 21:37:25,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 446 transitions. [2024-11-08 21:37:25,887 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 446 transitions. Word has length 175 [2024-11-08 21:37:25,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:25,888 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 446 transitions. [2024-11-08 21:37:25,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:25,888 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 446 transitions. [2024-11-08 21:37:25,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 21:37:25,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:25,889 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:25,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 21:37:25,890 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:25,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:25,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1943954733, now seen corresponding path program 1 times [2024-11-08 21:37:25,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:25,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857599708] [2024-11-08 21:37:25,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:25,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:25,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,158 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:31,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,175 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:31,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,180 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,184 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,190 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:31,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:31,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:31,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,203 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:31,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:31,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,216 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,219 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,223 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:31,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:31,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857599708] [2024-11-08 21:37:31,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857599708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:31,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:31,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 21:37:31,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014084246] [2024-11-08 21:37:31,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:31,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 21:37:31,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:31,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 21:37:31,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2024-11-08 21:37:31,237 INFO L87 Difference]: Start difference. First operand 290 states and 446 transitions. Second operand has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:35,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:35,541 INFO L93 Difference]: Finished difference Result 469 states and 713 transitions. [2024-11-08 21:37:35,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-11-08 21:37:35,542 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) Word has length 175 [2024-11-08 21:37:35,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:35,544 INFO L225 Difference]: With dead ends: 469 [2024-11-08 21:37:35,545 INFO L226 Difference]: Without dead ends: 467 [2024-11-08 21:37:35,545 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 236 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=346, Invalid=986, Unknown=0, NotChecked=0, Total=1332 [2024-11-08 21:37:35,546 INFO L432 NwaCegarLoop]: 132 mSDtfsCounter, 905 mSDsluCounter, 1055 mSDsCounter, 0 mSdLazyCounter, 817 mSolverCounterSat, 138 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 905 SdHoareTripleChecker+Valid, 1187 SdHoareTripleChecker+Invalid, 955 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 138 IncrementalHoareTripleChecker+Valid, 817 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:35,546 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [905 Valid, 1187 Invalid, 955 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [138 Valid, 817 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-08 21:37:35,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-08 21:37:35,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 290. [2024-11-08 21:37:35,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 205 states have (on average 1.3853658536585365) internal successors, (284), 205 states have internal predecessors, (284), 81 states have call successors, (81), 3 states have call predecessors, (81), 3 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-11-08 21:37:35,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 446 transitions. [2024-11-08 21:37:35,563 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 446 transitions. Word has length 175 [2024-11-08 21:37:35,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:35,563 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 446 transitions. [2024-11-08 21:37:35,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.5294117647058822) internal successors, (43), 17 states have internal predecessors, (43), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 2 states have call successors, (27) [2024-11-08 21:37:35,563 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 446 transitions. [2024-11-08 21:37:35,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 21:37:35,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:35,564 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:35,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 21:37:35,565 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:35,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:35,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1888325872, now seen corresponding path program 1 times [2024-11-08 21:37:35,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:35,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710897963] [2024-11-08 21:37:35,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:35,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:35,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:35,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,691 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:35,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:35,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:35,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:35,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,696 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,699 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:35,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,705 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:35,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:35,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:35,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:35,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:35,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710897963] [2024-11-08 21:37:35,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [710897963] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:35,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:35,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 21:37:35,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698132376] [2024-11-08 21:37:35,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:35,719 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 21:37:35,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:35,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 21:37:35,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:37:35,720 INFO L87 Difference]: Start difference. First operand 290 states and 446 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:35,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:35,743 INFO L93 Difference]: Finished difference Result 580 states and 896 transitions. [2024-11-08 21:37:35,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 21:37:35,744 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-08 21:37:35,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:35,746 INFO L225 Difference]: With dead ends: 580 [2024-11-08 21:37:35,746 INFO L226 Difference]: Without dead ends: 383 [2024-11-08 21:37:35,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 21:37:35,747 INFO L432 NwaCegarLoop]: 195 mSDtfsCounter, 85 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:35,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 332 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 21:37:35,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2024-11-08 21:37:35,765 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 381. [2024-11-08 21:37:35,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 268 states have (on average 1.3880597014925373) internal successors, (372), 268 states have internal predecessors, (372), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 21:37:35,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 588 transitions. [2024-11-08 21:37:35,769 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 588 transitions. Word has length 175 [2024-11-08 21:37:35,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:35,769 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 588 transitions. [2024-11-08 21:37:35,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:35,769 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 588 transitions. [2024-11-08 21:37:35,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 21:37:35,771 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:35,771 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:35,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 21:37:35,772 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:35,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:35,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1705576846, now seen corresponding path program 1 times [2024-11-08 21:37:35,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:35,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560558641] [2024-11-08 21:37:35,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:35,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,857 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,859 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:42,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,860 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,864 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,870 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,875 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,876 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,878 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,880 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:42,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,883 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,884 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,887 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:42,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:42,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:42,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560558641] [2024-11-08 21:37:42,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560558641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:42,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:42,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:37:42,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948503063] [2024-11-08 21:37:42,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:42,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:37:42,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:42,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:37:42,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:37:42,892 INFO L87 Difference]: Start difference. First operand 381 states and 588 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:48,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:37:48,169 INFO L93 Difference]: Finished difference Result 601 states and 913 transitions. [2024-11-08 21:37:48,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 21:37:48,170 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-08 21:37:48,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:37:48,172 INFO L225 Difference]: With dead ends: 601 [2024-11-08 21:37:48,172 INFO L226 Difference]: Without dead ends: 599 [2024-11-08 21:37:48,173 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 197 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=283, Invalid=773, Unknown=0, NotChecked=0, Total=1056 [2024-11-08 21:37:48,175 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 724 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 651 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 724 SdHoareTripleChecker+Valid, 1110 SdHoareTripleChecker+Invalid, 761 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-08 21:37:48,175 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [724 Valid, 1110 Invalid, 761 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 651 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-08 21:37:48,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2024-11-08 21:37:48,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 416. [2024-11-08 21:37:48,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 303 states have (on average 1.4059405940594059) internal successors, (426), 303 states have internal predecessors, (426), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 21:37:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 642 transitions. [2024-11-08 21:37:48,195 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 642 transitions. Word has length 175 [2024-11-08 21:37:48,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:37:48,196 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 642 transitions. [2024-11-08 21:37:48,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:37:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 642 transitions. [2024-11-08 21:37:48,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2024-11-08 21:37:48,197 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:37:48,197 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:37:48,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 21:37:48,197 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:37:48,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:37:48,198 INFO L85 PathProgramCache]: Analyzing trace with hash 1568322096, now seen corresponding path program 1 times [2024-11-08 21:37:48,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:37:48,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049269903] [2024-11-08 21:37:48,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:37:48,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:37:48,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:37:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,915 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:37:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:37:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:37:54,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:37:54,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:37:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,923 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:37:54,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:37:54,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:37:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:37:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,932 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:37:54,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:37:54,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:37:54,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:37:54,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:37:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:37:54,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:37:54,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:37:54,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:37:54,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:37:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:37:54,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:37:54,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:37:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:37:54,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:37:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:37:54,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:37:54,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:37:54,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:37:54,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:37:54,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049269903] [2024-11-08 21:37:54,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049269903] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:37:54,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:37:54,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-11-08 21:37:54,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240349479] [2024-11-08 21:37:54,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:37:54,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-08 21:37:54,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:37:54,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-08 21:37:54,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2024-11-08 21:37:55,000 INFO L87 Difference]: Start difference. First operand 416 states and 642 transitions. Second operand has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:38:00,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:00,957 INFO L93 Difference]: Finished difference Result 595 states and 907 transitions. [2024-11-08 21:38:00,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 21:38:00,959 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 175 [2024-11-08 21:38:00,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:00,961 INFO L225 Difference]: With dead ends: 595 [2024-11-08 21:38:00,961 INFO L226 Difference]: Without dead ends: 593 [2024-11-08 21:38:00,962 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 2 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=281, Invalid=711, Unknown=0, NotChecked=0, Total=992 [2024-11-08 21:38:00,962 INFO L432 NwaCegarLoop]: 147 mSDtfsCounter, 942 mSDsluCounter, 902 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 942 SdHoareTripleChecker+Valid, 1049 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:00,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [942 Valid, 1049 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [112 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 21:38:00,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2024-11-08 21:38:01,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 416. [2024-11-08 21:38:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 416 states, 303 states have (on average 1.4059405940594059) internal successors, (426), 303 states have internal predecessors, (426), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 21:38:01,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 642 transitions. [2024-11-08 21:38:01,018 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 642 transitions. Word has length 175 [2024-11-08 21:38:01,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:01,018 INFO L471 AbstractCegarLoop]: Abstraction has 416 states and 642 transitions. [2024-11-08 21:38:01,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.6875) internal successors, (43), 16 states have internal predecessors, (43), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:38:01,019 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 642 transitions. [2024-11-08 21:38:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 21:38:01,024 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:01,024 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:01,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 21:38:01,024 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:01,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:01,025 INFO L85 PathProgramCache]: Analyzing trace with hash 519318307, now seen corresponding path program 1 times [2024-11-08 21:38:01,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:01,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735777161] [2024-11-08 21:38:01,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:01,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:01,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:06,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:38:06,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,233 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:06,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:38:06,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,235 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:38:06,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:38:06,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:06,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,239 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:06,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,243 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:38:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,246 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:06,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:38:06,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:06,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:38:06,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:06,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,253 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:38:06,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,255 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:06,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:38:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:38:06,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,267 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:38:06,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:38:06,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:06,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:38:06,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:06,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735777161] [2024-11-08 21:38:06,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735777161] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:06,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:06,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 21:38:06,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508019903] [2024-11-08 21:38:06,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:06,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 21:38:06,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:06,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 21:38:06,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=220, Unknown=0, NotChecked=0, Total=272 [2024-11-08 21:38:06,276 INFO L87 Difference]: Start difference. First operand 416 states and 642 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:38:10,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:10,909 INFO L93 Difference]: Finished difference Result 558 states and 852 transitions. [2024-11-08 21:38:10,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-08 21:38:10,910 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-08 21:38:10,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:10,912 INFO L225 Difference]: With dead ends: 558 [2024-11-08 21:38:10,912 INFO L226 Difference]: Without dead ends: 556 [2024-11-08 21:38:10,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=240, Invalid=752, Unknown=0, NotChecked=0, Total=992 [2024-11-08 21:38:10,913 INFO L432 NwaCegarLoop]: 178 mSDtfsCounter, 763 mSDsluCounter, 1236 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 763 SdHoareTripleChecker+Valid, 1414 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:10,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [763 Valid, 1414 Invalid, 968 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-11-08 21:38:10,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-11-08 21:38:10,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 413. [2024-11-08 21:38:10,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 300 states have (on average 1.4066666666666667) internal successors, (422), 300 states have internal predecessors, (422), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 21:38:10,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 638 transitions. [2024-11-08 21:38:10,934 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 638 transitions. Word has length 176 [2024-11-08 21:38:10,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:10,934 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 638 transitions. [2024-11-08 21:38:10,934 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:38:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 638 transitions. [2024-11-08 21:38:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 21:38:10,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:10,935 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:10,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-08 21:38:10,935 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:10,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:10,936 INFO L85 PathProgramCache]: Analyzing trace with hash -245946368, now seen corresponding path program 1 times [2024-11-08 21:38:10,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:10,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31120943] [2024-11-08 21:38:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:10,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,394 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:17,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,396 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:38:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,399 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:17,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,401 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:38:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,403 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:38:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:38:17,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:17,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,407 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:17,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,409 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:17,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:17,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,418 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:38:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:17,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:38:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:17,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:38:17,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:17,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:38:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,431 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:38:17,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:38:17,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,438 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:17,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,440 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:38:17,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,444 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:38:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:17,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:38:17,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:17,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31120943] [2024-11-08 21:38:17,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31120943] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:17,447 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:17,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-11-08 21:38:17,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060817700] [2024-11-08 21:38:17,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:17,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-08 21:38:17,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:17,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-08 21:38:17,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2024-11-08 21:38:17,449 INFO L87 Difference]: Start difference. First operand 413 states and 638 transitions. Second operand has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:38:23,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 21:38:23,419 INFO L93 Difference]: Finished difference Result 596 states and 908 transitions. [2024-11-08 21:38:23,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-08 21:38:23,420 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) Word has length 176 [2024-11-08 21:38:23,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 21:38:23,426 INFO L225 Difference]: With dead ends: 596 [2024-11-08 21:38:23,426 INFO L226 Difference]: Without dead ends: 594 [2024-11-08 21:38:23,426 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=314, Invalid=876, Unknown=0, NotChecked=0, Total=1190 [2024-11-08 21:38:23,427 INFO L432 NwaCegarLoop]: 180 mSDtfsCounter, 749 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 834 mSolverCounterSat, 110 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 944 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 110 IncrementalHoareTripleChecker+Valid, 834 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2024-11-08 21:38:23,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 1497 Invalid, 944 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [110 Valid, 834 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2024-11-08 21:38:23,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2024-11-08 21:38:23,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 418. [2024-11-08 21:38:23,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 418 states, 305 states have (on average 1.4065573770491804) internal successors, (429), 305 states have internal predecessors, (429), 108 states have call successors, (108), 4 states have call predecessors, (108), 4 states have return successors, (108), 108 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-08 21:38:23,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 645 transitions. [2024-11-08 21:38:23,457 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 645 transitions. Word has length 176 [2024-11-08 21:38:23,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 21:38:23,457 INFO L471 AbstractCegarLoop]: Abstraction has 418 states and 645 transitions. [2024-11-08 21:38:23,457 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.588235294117647) internal successors, (44), 17 states have internal predecessors, (44), 1 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 1 states have call predecessors, (27), 1 states have call successors, (27) [2024-11-08 21:38:23,457 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 645 transitions. [2024-11-08 21:38:23,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2024-11-08 21:38:23,458 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 21:38:23,458 INFO L215 NwaCegarLoop]: trace histogram [27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 21:38:23,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-08 21:38:23,459 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 21:38:23,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 21:38:23,459 INFO L85 PathProgramCache]: Analyzing trace with hash 48743206, now seen corresponding path program 1 times [2024-11-08 21:38:23,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 21:38:23,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867060340] [2024-11-08 21:38:23,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 21:38:23,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 21:38:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,470 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 21:38:30,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,472 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 21:38:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,474 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 21:38:30,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 21:38:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 21:38:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,478 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 21:38:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,480 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 21:38:30,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 21:38:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,483 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 21:38:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 21:38:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 21:38:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,501 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 21:38:30,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2024-11-08 21:38:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,507 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 21:38:30,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2024-11-08 21:38:30,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 21:38:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2024-11-08 21:38:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 21:38:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-08 21:38:30,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,516 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 21:38:30,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2024-11-08 21:38:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 21:38:30,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2024-11-08 21:38:30,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,524 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2024-11-08 21:38:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,526 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-08 21:38:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,527 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2024-11-08 21:38:30,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,529 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2024-11-08 21:38:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 21:38:30,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-11-08 21:38:30,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 21:38:30,532 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867060340] [2024-11-08 21:38:30,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867060340] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 21:38:30,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 21:38:30,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2024-11-08 21:38:30,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060368839] [2024-11-08 21:38:30,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 21:38:30,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 21:38:30,533 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 21:38:30,534 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 21:38:30,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2024-11-08 21:38:30,534 INFO L87 Difference]: Start difference. First operand 418 states and 645 transitions. Second operand has 18 states, 18 states have (on average 2.4444444444444446) internal successors, (44), 18 states have internal predecessors, (44), 2 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27)