./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 61a67961 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_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 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.fs.cvc5-61a6796-m [2024-10-14 09:42:20,906 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-14 09:42:20,979 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-14 09:42:20,984 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-14 09:42:20,986 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-14 09:42:21,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-14 09:42:21,019 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-14 09:42:21,020 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-14 09:42:21,020 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-14 09:42:21,020 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-14 09:42:21,021 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-14 09:42:21,022 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-14 09:42:21,022 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-14 09:42:21,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-14 09:42:21,025 INFO L153 SettingsManager]: * Use SBE=true [2024-10-14 09:42:21,025 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-14 09:42:21,025 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-14 09:42:21,026 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-14 09:42:21,026 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-14 09:42:21,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-14 09:42:21,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-14 09:42:21,030 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-14 09:42:21,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-14 09:42:21,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-14 09:42:21,031 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-14 09:42:21,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-14 09:42:21,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-14 09:42:21,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-14 09:42:21,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-14 09:42:21,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-14 09:42:21,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-14 09:42:21,033 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-14 09:42:21,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:42:21,034 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-14 09:42:21,034 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-14 09:42:21,034 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-14 09:42:21,034 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-14 09:42:21,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-14 09:42:21,035 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-14 09:42:21,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-14 09:42:21,035 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-14 09:42:21,035 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-14 09:42:21,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 544492f8740cf75ba131482d8a9d3b25cda3fc17f885878b4449b23aaac08107 [2024-10-14 09:42:21,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-14 09:42:21,338 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-14 09:42:21,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-14 09:42:21,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-14 09:42:21,342 INFO L274 PluginConnector]: CDTParser initialized [2024-10-14 09:42:21,343 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-10-14 09:42:22,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-14 09:42:23,081 INFO L384 CDTParser]: Found 1 translation units. [2024-10-14 09:42:23,082 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-10-14 09:42:23,094 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3295732a/55de96a8e0104257a6d0b2c1f7aede18/FLAGc5c1eecb3 [2024-10-14 09:42:23,111 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f3295732a/55de96a8e0104257a6d0b2c1f7aede18 [2024-10-14 09:42:23,114 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-14 09:42:23,116 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-14 09:42:23,117 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-14 09:42:23,117 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-14 09:42:23,126 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-14 09:42:23,127 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,128 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@432f897d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23, skipping insertion in model container [2024-10-14 09:42:23,128 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,165 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-14 09:42:23,322 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-10-14 09:42:23,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:42:23,418 INFO L200 MainTranslator]: Completed pre-run [2024-10-14 09:42:23,433 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i[919,932] [2024-10-14 09:42:23,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-14 09:42:23,512 INFO L204 MainTranslator]: Completed translation [2024-10-14 09:42:23,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23 WrapperNode [2024-10-14 09:42:23,516 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-14 09:42:23,517 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-14 09:42:23,517 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-14 09:42:23,517 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-14 09:42:23,525 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,588 INFO L138 Inliner]: procedures = 26, calls = 40, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 236 [2024-10-14 09:42:23,589 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-14 09:42:23,590 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-14 09:42:23,590 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-14 09:42:23,590 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-14 09:42:23,602 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,606 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,627 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-14 09:42:23,628 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,639 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,643 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,650 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-14 09:42:23,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-14 09:42:23,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-14 09:42:23,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-14 09:42:23,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (1/1) ... [2024-10-14 09:42:23,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-14 09:42:23,690 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-14 09:42:23,707 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-14 09:42:23,710 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-14 09:42:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-14 09:42:23,759 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-14 09:42:23,760 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-14 09:42:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-14 09:42:23,761 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-14 09:42:23,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-14 09:42:23,876 INFO L238 CfgBuilder]: Building ICFG [2024-10-14 09:42:23,881 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-14 09:42:24,480 INFO L? ?]: Removed 23 outVars from TransFormulas that were not future-live. [2024-10-14 09:42:24,480 INFO L287 CfgBuilder]: Performing block encoding [2024-10-14 09:42:24,521 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-14 09:42:24,522 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-14 09:42:24,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:42:24 BoogieIcfgContainer [2024-10-14 09:42:24,522 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-14 09:42:24,525 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-14 09:42:24,527 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-14 09:42:24,530 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-14 09:42:24,531 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 09:42:23" (1/3) ... [2024-10-14 09:42:24,532 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcf3af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:42:24, skipping insertion in model container [2024-10-14 09:42:24,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 09:42:23" (2/3) ... [2024-10-14 09:42:24,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fcf3af2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 09:42:24, skipping insertion in model container [2024-10-14 09:42:24,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 09:42:24" (3/3) ... [2024-10-14 09:42:24,535 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-pr-ci_file-86.i [2024-10-14 09:42:24,555 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-14 09:42:24,556 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-14 09:42:24,626 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-14 09:42:24,633 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;@22050088, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-14 09:42:24,633 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-14 09:42:24,637 INFO L276 IsEmpty]: Start isEmpty. Operand has 91 states, 61 states have (on average 1.540983606557377) internal successors, (94), 62 states have internal predecessors, (94), 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) [2024-10-14 09:42:24,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:42:24,650 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:24,651 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] [2024-10-14 09:42:24,651 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:24,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:24,656 INFO L85 PathProgramCache]: Analyzing trace with hash -743867225, now seen corresponding path program 1 times [2024-10-14 09:42:24,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:24,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091751645] [2024-10-14 09:42:24,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:24,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,029 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,046 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:25,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,071 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:25,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,080 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,087 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:25,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,091 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:25,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:25,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:25,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:25,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:25,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:25,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:25,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:25,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:25,185 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:25,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091751645] [2024-10-14 09:42:25,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091751645] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:25,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:25,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-14 09:42:25,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109191721] [2024-10-14 09:42:25,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:25,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-14 09:42:25,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:25,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-14 09:42:25,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-14 09:42:25,229 INFO L87 Difference]: Start difference. First operand has 91 states, 61 states have (on average 1.540983606557377) internal successors, (94), 62 states have internal predecessors, (94), 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 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2024-10-14 09:42:25,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:25,290 INFO L93 Difference]: Finished difference Result 179 states and 321 transitions. [2024-10-14 09:42:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-14 09:42:25,294 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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 170 [2024-10-14 09:42:25,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:25,304 INFO L225 Difference]: With dead ends: 179 [2024-10-14 09:42:25,305 INFO L226 Difference]: Without dead ends: 89 [2024-10-14 09:42:25,309 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 [2024-10-14 09:42:25,313 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:25,315 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:42:25,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2024-10-14 09:42:25,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2024-10-14 09:42:25,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 60 states have (on average 1.4666666666666666) internal successors, (88), 60 states have internal predecessors, (88), 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) [2024-10-14 09:42:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 142 transitions. [2024-10-14 09:42:25,372 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 142 transitions. Word has length 170 [2024-10-14 09:42:25,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:25,374 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 142 transitions. [2024-10-14 09:42:25,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 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) [2024-10-14 09:42:25,375 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 142 transitions. [2024-10-14 09:42:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:42:25,380 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:25,380 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] [2024-10-14 09:42:25,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-14 09:42:25,381 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:25,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:25,381 INFO L85 PathProgramCache]: Analyzing trace with hash -446301591, now seen corresponding path program 1 times [2024-10-14 09:42:25,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:25,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296871743] [2024-10-14 09:42:25,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:25,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,749 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:25,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,764 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:25,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:25,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:25,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,777 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:25,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:25,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:25,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:25,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:25,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:25,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,829 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,835 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,846 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:25,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,849 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:25,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:25,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,861 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:25,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:25,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:25,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:25,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296871743] [2024-10-14 09:42:25,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296871743] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:25,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:25,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:42:25,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597333999] [2024-10-14 09:42:25,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:25,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:42:25,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:25,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:42:25,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:42:25,881 INFO L87 Difference]: Start difference. First operand 89 states and 142 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-14 09:42:25,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:25,916 INFO L93 Difference]: Finished difference Result 178 states and 285 transitions. [2024-10-14 09:42:25,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:42:25,917 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 170 [2024-10-14 09:42:25,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:25,921 INFO L225 Difference]: With dead ends: 178 [2024-10-14 09:42:25,922 INFO L226 Difference]: Without dead ends: 90 [2024-10-14 09:42:25,923 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 [2024-10-14 09:42:25,924 INFO L432 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:25,924 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 271 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:42:25,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-10-14 09:42:25,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2024-10-14 09:42:25,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 61 states have (on average 1.459016393442623) internal successors, (89), 61 states have internal predecessors, (89), 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) [2024-10-14 09:42:25,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 143 transitions. [2024-10-14 09:42:25,936 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 143 transitions. Word has length 170 [2024-10-14 09:42:25,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:25,938 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 143 transitions. [2024-10-14 09:42:25,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-14 09:42:25,939 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 143 transitions. [2024-10-14 09:42:25,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:42:25,941 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:25,941 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] [2024-10-14 09:42:25,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-14 09:42:25,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:25,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:25,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1457418841, now seen corresponding path program 1 times [2024-10-14 09:42:25,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:25,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800877119] [2024-10-14 09:42:25,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:25,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:26,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:26,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,287 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,293 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,297 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,306 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,310 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,316 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:26,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:26,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,338 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:26,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,371 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:26,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,393 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,397 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:26,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,412 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,420 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:26,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:26,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800877119] [2024-10-14 09:42:26,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800877119] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:26,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:26,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-14 09:42:26,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694089756] [2024-10-14 09:42:26,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:26,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-14 09:42:26,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:26,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-14 09:42:26,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-14 09:42:26,433 INFO L87 Difference]: Start difference. First operand 90 states and 143 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-10-14 09:42:26,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:26,737 INFO L93 Difference]: Finished difference Result 269 states and 428 transitions. [2024-10-14 09:42:26,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-14 09:42:26,738 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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 170 [2024-10-14 09:42:26,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:26,741 INFO L225 Difference]: With dead ends: 269 [2024-10-14 09:42:26,742 INFO L226 Difference]: Without dead ends: 180 [2024-10-14 09:42:26,746 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 [2024-10-14 09:42:26,749 INFO L432 NwaCegarLoop]: 136 mSDtfsCounter, 147 mSDsluCounter, 351 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 487 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:26,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 487 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-14 09:42:26,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-14 09:42:26,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 136. [2024-10-14 09:42:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 79 states have (on average 1.3544303797468353) internal successors, (107), 79 states have internal predecessors, (107), 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) [2024-10-14 09:42:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 215 transitions. [2024-10-14 09:42:26,777 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 215 transitions. Word has length 170 [2024-10-14 09:42:26,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:26,779 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 215 transitions. [2024-10-14 09:42:26,780 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 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) [2024-10-14 09:42:26,780 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 215 transitions. [2024-10-14 09:42:26,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:42:26,784 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:26,785 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] [2024-10-14 09:42:26,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-14 09:42:26,785 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:26,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:26,786 INFO L85 PathProgramCache]: Analyzing trace with hash 2019900005, now seen corresponding path program 1 times [2024-10-14 09:42:26,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:26,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135719273] [2024-10-14 09:42:26,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:26,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,085 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:27,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:27,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,107 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:27,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,111 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,119 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:27,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:27,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:27,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:27,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:27,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:27,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:27,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:27,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,185 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:27,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,189 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:27,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:27,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,197 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,201 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:27,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:27,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:27,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135719273] [2024-10-14 09:42:27,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135719273] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:27,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:27,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:42:27,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59372188] [2024-10-14 09:42:27,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:27,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:42:27,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:27,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:42:27,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:42:27,220 INFO L87 Difference]: Start difference. First operand 136 states and 215 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-14 09:42:27,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:27,297 INFO L93 Difference]: Finished difference Result 314 states and 499 transitions. [2024-10-14 09:42:27,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:42:27,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 170 [2024-10-14 09:42:27,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:27,302 INFO L225 Difference]: With dead ends: 314 [2024-10-14 09:42:27,302 INFO L226 Difference]: Without dead ends: 225 [2024-10-14 09:42:27,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:42:27,306 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 93 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:27,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 320 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:42:27,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2024-10-14 09:42:27,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 223. [2024-10-14 09:42:27,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 223 states, 138 states have (on average 1.3768115942028984) internal successors, (190), 138 states have internal predecessors, (190), 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) [2024-10-14 09:42:27,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 352 transitions. [2024-10-14 09:42:27,343 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 352 transitions. Word has length 170 [2024-10-14 09:42:27,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:27,344 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 352 transitions. [2024-10-14 09:42:27,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-14 09:42:27,344 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 352 transitions. [2024-10-14 09:42:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:42:27,347 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:27,347 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] [2024-10-14 09:42:27,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-14 09:42:27,348 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:27,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:27,348 INFO L85 PathProgramCache]: Analyzing trace with hash 330956263, now seen corresponding path program 1 times [2024-10-14 09:42:27,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:27,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140866464] [2024-10-14 09:42:27,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:27,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,573 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:34,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:34,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:34,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:34,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:34,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:34,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:34,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:34,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:34,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:34,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140866464] [2024-10-14 09:42:34,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [140866464] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:34,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:34,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-14 09:42:34,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129558108] [2024-10-14 09:42:34,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:34,710 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-14 09:42:34,710 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:34,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-14 09:42:34,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-10-14 09:42:34,711 INFO L87 Difference]: Start difference. First operand 223 states and 352 transitions. Second operand has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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) [2024-10-14 09:42:37,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:37,782 INFO L93 Difference]: Finished difference Result 436 states and 682 transitions. [2024-10-14 09:42:37,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-14 09:42:37,787 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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 170 [2024-10-14 09:42:37,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:37,791 INFO L225 Difference]: With dead ends: 436 [2024-10-14 09:42:37,792 INFO L226 Difference]: Without dead ends: 347 [2024-10-14 09:42:37,793 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=179, Invalid=471, Unknown=0, NotChecked=0, Total=650 [2024-10-14 09:42:37,795 INFO L432 NwaCegarLoop]: 131 mSDtfsCounter, 683 mSDsluCounter, 636 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 683 SdHoareTripleChecker+Valid, 767 SdHoareTripleChecker+Invalid, 471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:37,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [683 Valid, 767 Invalid, 471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-10-14 09:42:37,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-14 09:42:37,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 264. [2024-10-14 09:42:37,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 179 states have (on average 1.4134078212290502) internal successors, (253), 179 states have internal predecessors, (253), 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) [2024-10-14 09:42:37,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 415 transitions. [2024-10-14 09:42:37,842 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 415 transitions. Word has length 170 [2024-10-14 09:42:37,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:37,842 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 415 transitions. [2024-10-14 09:42:37,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.7142857142857144) internal successors, (38), 14 states have internal predecessors, (38), 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) [2024-10-14 09:42:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 415 transitions. [2024-10-14 09:42:37,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2024-10-14 09:42:37,847 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:37,847 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] [2024-10-14 09:42:37,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-14 09:42:37,848 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:37,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:37,849 INFO L85 PathProgramCache]: Analyzing trace with hash -255849751, now seen corresponding path program 1 times [2024-10-14 09:42:37,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:37,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226154520] [2024-10-14 09:42:37,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:37,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:37,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:37,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:37,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,931 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,947 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,952 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,954 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:37,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,957 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,963 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:37,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,986 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:37,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,987 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:37,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:37,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:37,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226154520] [2024-10-14 09:42:37,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226154520] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:37,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:37,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-14 09:42:37,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521918185] [2024-10-14 09:42:37,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:37,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-14 09:42:37,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:37,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-14 09:42:37,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-14 09:42:37,992 INFO L87 Difference]: Start difference. First operand 264 states and 415 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-14 09:42:38,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:38,052 INFO L93 Difference]: Finished difference Result 441 states and 697 transitions. [2024-10-14 09:42:38,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-14 09:42:38,053 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 170 [2024-10-14 09:42:38,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:38,057 INFO L225 Difference]: With dead ends: 441 [2024-10-14 09:42:38,058 INFO L226 Difference]: Without dead ends: 352 [2024-10-14 09:42:38,059 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 [2024-10-14 09:42:38,060 INFO L432 NwaCegarLoop]: 189 mSDtfsCounter, 133 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 315 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:38,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 315 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-14 09:42:38,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2024-10-14 09:42:38,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 263. [2024-10-14 09:42:38,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 178 states have (on average 1.4101123595505618) internal successors, (251), 178 states have internal predecessors, (251), 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) [2024-10-14 09:42:38,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 413 transitions. [2024-10-14 09:42:38,085 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 413 transitions. Word has length 170 [2024-10-14 09:42:38,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:38,086 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 413 transitions. [2024-10-14 09:42:38,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-10-14 09:42:38,086 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 413 transitions. [2024-10-14 09:42:38,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 09:42:38,088 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:38,088 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] [2024-10-14 09:42:38,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-14 09:42:38,088 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:38,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1711552634, now seen corresponding path program 1 times [2024-10-14 09:42:38,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:38,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83739727] [2024-10-14 09:42:38,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:38,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:43,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,898 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,901 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,904 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:43,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,907 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:43,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:43,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,914 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,917 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:43,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,926 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,933 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:43,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,941 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:43,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,944 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,955 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:43,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:43,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,964 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,979 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:43,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:43,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:43,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83739727] [2024-10-14 09:42:43,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83739727] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:43,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:43,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 09:42:43,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953395235] [2024-10-14 09:42:43,985 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:43,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 09:42:43,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:43,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 09:42:43,987 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-10-14 09:42:43,987 INFO L87 Difference]: Start difference. First operand 263 states and 413 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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) [2024-10-14 09:42:47,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:47,351 INFO L93 Difference]: Finished difference Result 346 states and 531 transitions. [2024-10-14 09:42:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-14 09:42:47,353 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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 171 [2024-10-14 09:42:47,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:47,356 INFO L225 Difference]: With dead ends: 346 [2024-10-14 09:42:47,356 INFO L226 Difference]: Without dead ends: 344 [2024-10-14 09:42:47,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=205, Invalid=551, Unknown=0, NotChecked=0, Total=756 [2024-10-14 09:42:47,362 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 484 mSDsluCounter, 908 mSDsCounter, 0 mSdLazyCounter, 765 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 484 SdHoareTripleChecker+Valid, 1041 SdHoareTripleChecker+Invalid, 847 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 765 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:47,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [484 Valid, 1041 Invalid, 847 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 765 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-14 09:42:47,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2024-10-14 09:42:47,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 264. [2024-10-14 09:42:47,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 179 states have (on average 1.4078212290502794) internal successors, (252), 179 states have internal predecessors, (252), 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) [2024-10-14 09:42:47,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 414 transitions. [2024-10-14 09:42:47,403 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 414 transitions. Word has length 171 [2024-10-14 09:42:47,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:47,404 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 414 transitions. [2024-10-14 09:42:47,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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) [2024-10-14 09:42:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 414 transitions. [2024-10-14 09:42:47,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 09:42:47,407 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:47,407 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] [2024-10-14 09:42:47,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-14 09:42:47,408 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:47,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:47,408 INFO L85 PathProgramCache]: Analyzing trace with hash 1499395220, now seen corresponding path program 1 times [2024-10-14 09:42:47,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:47,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851567309] [2024-10-14 09:42:47,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:47,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,656 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:47,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:47,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,664 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:47,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:47,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:47,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,674 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:47,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:47,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:47,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:47,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,681 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:47,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,686 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:47,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:47,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,689 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:47,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:47,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:47,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,695 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:47,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:47,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:47,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851567309] [2024-10-14 09:42:47,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851567309] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:47,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:47,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-14 09:42:47,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234190174] [2024-10-14 09:42:47,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:47,699 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-14 09:42:47,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:47,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-14 09:42:47,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:42:47,700 INFO L87 Difference]: Start difference. First operand 264 states and 414 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-14 09:42:47,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:47,777 INFO L93 Difference]: Finished difference Result 462 states and 720 transitions. [2024-10-14 09:42:47,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-14 09:42:47,778 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 171 [2024-10-14 09:42:47,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:47,784 INFO L225 Difference]: With dead ends: 462 [2024-10-14 09:42:47,784 INFO L226 Difference]: Without dead ends: 284 [2024-10-14 09:42:47,786 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-14 09:42:47,786 INFO L432 NwaCegarLoop]: 154 mSDtfsCounter, 54 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 388 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:47,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 388 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-14 09:42:47,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2024-10-14 09:42:47,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 272. [2024-10-14 09:42:47,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 185 states have (on average 1.3783783783783783) internal successors, (255), 185 states have internal predecessors, (255), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 09:42:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 417 transitions. [2024-10-14 09:42:47,816 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 417 transitions. Word has length 171 [2024-10-14 09:42:47,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:47,817 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 417 transitions. [2024-10-14 09:42:47,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2024-10-14 09:42:47,818 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 417 transitions. [2024-10-14 09:42:47,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 09:42:47,831 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:47,831 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] [2024-10-14 09:42:47,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-14 09:42:47,831 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:47,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:47,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1020564714, now seen corresponding path program 1 times [2024-10-14 09:42:47,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:47,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179304230] [2024-10-14 09:42:47,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:47,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:42:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,551 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:42:52,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:42:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,556 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:42:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:42:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:42:52,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,563 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:42:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,565 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:42:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:42:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:42:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,571 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:42:52,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:42:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:42:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:42:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:42:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:42:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:42:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:42:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:42:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:42:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:42:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:42:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:42:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:42:52,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:42:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,616 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:42:52,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:42:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:42:52,622 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:42:52,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:42:52,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179304230] [2024-10-14 09:42:52,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179304230] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:42:52,622 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:42:52,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-14 09:42:52,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013231465] [2024-10-14 09:42:52,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:42:52,624 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-14 09:42:52,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:42:52,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-14 09:42:52,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2024-10-14 09:42:52,625 INFO L87 Difference]: Start difference. First operand 272 states and 417 transitions. Second operand has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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) [2024-10-14 09:42:56,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:42:56,305 INFO L93 Difference]: Finished difference Result 360 states and 540 transitions. [2024-10-14 09:42:56,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 09:42:56,306 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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 171 [2024-10-14 09:42:56,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:42:56,308 INFO L225 Difference]: With dead ends: 360 [2024-10-14 09:42:56,308 INFO L226 Difference]: Without dead ends: 358 [2024-10-14 09:42:56,309 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=274, Invalid=718, Unknown=0, NotChecked=0, Total=992 [2024-10-14 09:42:56,309 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 517 mSDsluCounter, 799 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 517 SdHoareTripleChecker+Valid, 932 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-14 09:42:56,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [517 Valid, 932 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-14 09:42:56,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2024-10-14 09:42:56,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 272. [2024-10-14 09:42:56,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 185 states have (on average 1.3783783783783783) internal successors, (255), 185 states have internal predecessors, (255), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 09:42:56,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 417 transitions. [2024-10-14 09:42:56,336 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 417 transitions. Word has length 171 [2024-10-14 09:42:56,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:42:56,336 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 417 transitions. [2024-10-14 09:42:56,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.6) internal successors, (39), 15 states have internal predecessors, (39), 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) [2024-10-14 09:42:56,337 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 417 transitions. [2024-10-14 09:42:56,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 09:42:56,338 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:42:56,339 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] [2024-10-14 09:42:56,339 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-14 09:42:56,339 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:42:56,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:42:56,339 INFO L85 PathProgramCache]: Analyzing trace with hash -778578052, now seen corresponding path program 1 times [2024-10-14 09:42:56,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:42:56,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251587269] [2024-10-14 09:42:56,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:42:56,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:42:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:43:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:43:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:43:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:43:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,687 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:43:00,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:43:00,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,694 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:43:00,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:43:00,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,701 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:43:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,704 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:43:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,708 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:43:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,711 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:43:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:43:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:43:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:43:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,725 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:43:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:43:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:43:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:43:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,740 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:43:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,744 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:43:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:43:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:43:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:43:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:43:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:43:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:43:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:00,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:43:00,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:43:00,783 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251587269] [2024-10-14 09:43:00,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251587269] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:43:00,783 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:43:00,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 09:43:00,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85109409] [2024-10-14 09:43:00,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:43:00,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 09:43:00,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:43:00,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 09:43:00,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2024-10-14 09:43:00,786 INFO L87 Difference]: Start difference. First operand 272 states and 417 transitions. Second operand has 17 states, 16 states have (on average 2.4375) internal successors, (39), 17 states have internal predecessors, (39), 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) [2024-10-14 09:43:03,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:43:03,927 INFO L93 Difference]: Finished difference Result 384 states and 574 transitions. [2024-10-14 09:43:03,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-10-14 09:43:03,928 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.4375) internal successors, (39), 17 states have internal predecessors, (39), 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 171 [2024-10-14 09:43:03,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:43:03,930 INFO L225 Difference]: With dead ends: 384 [2024-10-14 09:43:03,930 INFO L226 Difference]: Without dead ends: 382 [2024-10-14 09:43:03,931 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=322, Invalid=800, Unknown=0, NotChecked=0, Total=1122 [2024-10-14 09:43:03,931 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 537 mSDsluCounter, 887 mSDsCounter, 0 mSdLazyCounter, 683 mSolverCounterSat, 109 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 1017 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 109 IncrementalHoareTripleChecker+Valid, 683 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-10-14 09:43:03,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 1017 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [109 Valid, 683 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-10-14 09:43:03,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2024-10-14 09:43:03,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 290. [2024-10-14 09:43:03,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 203 states have (on average 1.3940886699507389) internal successors, (283), 203 states have internal predecessors, (283), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 09:43:03,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 445 transitions. [2024-10-14 09:43:03,955 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 445 transitions. Word has length 171 [2024-10-14 09:43:03,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:43:03,955 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 445 transitions. [2024-10-14 09:43:03,956 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.4375) internal successors, (39), 17 states have internal predecessors, (39), 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) [2024-10-14 09:43:03,956 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 445 transitions. [2024-10-14 09:43:03,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2024-10-14 09:43:03,957 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:43:03,958 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] [2024-10-14 09:43:03,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-14 09:43:03,958 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:43:03,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:43:03,959 INFO L85 PathProgramCache]: Analyzing trace with hash -77513474, now seen corresponding path program 1 times [2024-10-14 09:43:03,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:43:03,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567940920] [2024-10-14 09:43:03,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:43:03,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:43:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:43:12,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,097 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:43:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:43:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:43:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:43:12,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,110 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:43:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:43:12,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:43:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:43:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:43:12,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:43:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:43:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:43:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:43:12,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:43:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:43:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,134 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:43:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:43:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:43:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:43:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:43:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:43:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:43:12,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,148 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:43:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,150 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:43:12,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:43:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:43:12,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:12,158 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:43:12,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:43:12,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567940920] [2024-10-14 09:43:12,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567940920] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:43:12,159 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:43:12,159 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2024-10-14 09:43:12,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192298624] [2024-10-14 09:43:12,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:43:12,160 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-10-14 09:43:12,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:43:12,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-10-14 09:43:12,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-10-14 09:43:12,161 INFO L87 Difference]: Start difference. First operand 290 states and 445 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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) [2024-10-14 09:43:21,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:43:21,099 INFO L93 Difference]: Finished difference Result 378 states and 568 transitions. [2024-10-14 09:43:21,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-10-14 09:43:21,100 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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 171 [2024-10-14 09:43:21,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:43:21,103 INFO L225 Difference]: With dead ends: 378 [2024-10-14 09:43:21,103 INFO L226 Difference]: Without dead ends: 376 [2024-10-14 09:43:21,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=302, Invalid=690, Unknown=0, NotChecked=0, Total=992 [2024-10-14 09:43:21,106 INFO L432 NwaCegarLoop]: 130 mSDtfsCounter, 460 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 516 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 460 SdHoareTripleChecker+Valid, 923 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 516 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2024-10-14 09:43:21,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [460 Valid, 923 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 516 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2024-10-14 09:43:21,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2024-10-14 09:43:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 290. [2024-10-14 09:43:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 290 states, 203 states have (on average 1.3940886699507389) internal successors, (283), 203 states have internal predecessors, (283), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 09:43:21,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 445 transitions. [2024-10-14 09:43:21,138 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 445 transitions. Word has length 171 [2024-10-14 09:43:21,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:43:21,139 INFO L471 AbstractCegarLoop]: Abstraction has 290 states and 445 transitions. [2024-10-14 09:43:21,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 16 states have internal predecessors, (39), 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) [2024-10-14 09:43:21,140 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 445 transitions. [2024-10-14 09:43:21,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 09:43:21,141 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:43:21,141 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] [2024-10-14 09:43:21,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-14 09:43:21,141 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:43:21,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:43:21,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1530891989, now seen corresponding path program 1 times [2024-10-14 09:43:21,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:43:21,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504048877] [2024-10-14 09:43:21,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:43:21,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:43:21,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-14 09:43:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,771 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-14 09:43:29,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-14 09:43:29,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-14 09:43:29,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-14 09:43:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-14 09:43:29,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-14 09:43:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,784 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-14 09:43:29,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,786 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-14 09:43:29,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-14 09:43:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,789 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-14 09:43:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,791 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-14 09:43:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,792 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-10-14 09:43:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,794 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-14 09:43:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2024-10-14 09:43:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-14 09:43:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2024-10-14 09:43:29,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-14 09:43:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2024-10-14 09:43:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,812 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-14 09:43:29,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,814 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-10-14 09:43:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,815 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-14 09:43:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2024-10-14 09:43:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,819 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-14 09:43:29,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,821 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2024-10-14 09:43:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-14 09:43:29,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,825 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2024-10-14 09:43:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-14 09:43:29,828 INFO L134 CoverageAnalysis]: Checked inductivity of 1404 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2024-10-14 09:43:29,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-14 09:43:29,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504048877] [2024-10-14 09:43:29,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504048877] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-14 09:43:29,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-14 09:43:29,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2024-10-14 09:43:29,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579907273] [2024-10-14 09:43:29,829 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-14 09:43:29,829 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-14 09:43:29,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-14 09:43:29,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-14 09:43:29,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2024-10-14 09:43:29,830 INFO L87 Difference]: Start difference. First operand 290 states and 445 transitions. Second operand has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 17 states have internal predecessors, (40), 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) [2024-10-14 09:43:37,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-14 09:43:37,379 INFO L93 Difference]: Finished difference Result 364 states and 547 transitions. [2024-10-14 09:43:37,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-14 09:43:37,380 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 17 states have internal predecessors, (40), 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 172 [2024-10-14 09:43:37,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-14 09:43:37,382 INFO L225 Difference]: With dead ends: 364 [2024-10-14 09:43:37,382 INFO L226 Difference]: Without dead ends: 362 [2024-10-14 09:43:37,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 272 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=395, Invalid=1087, Unknown=0, NotChecked=0, Total=1482 [2024-10-14 09:43:37,384 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 609 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 620 mSolverCounterSat, 111 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 609 SdHoareTripleChecker+Valid, 872 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 111 IncrementalHoareTripleChecker+Valid, 620 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2024-10-14 09:43:37,384 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [609 Valid, 872 Invalid, 731 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [111 Valid, 620 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2024-10-14 09:43:37,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2024-10-14 09:43:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 287. [2024-10-14 09:43:37,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 200 states have (on average 1.395) internal successors, (279), 200 states have internal predecessors, (279), 81 states have call successors, (81), 5 states have call predecessors, (81), 5 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2024-10-14 09:43:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 441 transitions. [2024-10-14 09:43:37,416 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 441 transitions. Word has length 172 [2024-10-14 09:43:37,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-14 09:43:37,416 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 441 transitions. [2024-10-14 09:43:37,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 17 states have internal predecessors, (40), 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) [2024-10-14 09:43:37,417 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 441 transitions. [2024-10-14 09:43:37,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2024-10-14 09:43:37,418 INFO L207 NwaCegarLoop]: Found error trace [2024-10-14 09:43:37,418 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] [2024-10-14 09:43:37,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-14 09:43:37,418 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-14 09:43:37,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-14 09:43:37,419 INFO L85 PathProgramCache]: Analyzing trace with hash 1677574279, now seen corresponding path program 1 times [2024-10-14 09:43:37,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-14 09:43:37,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190037723] [2024-10-14 09:43:37,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-14 09:43:37,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-14 09:43:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat