./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_fillercodesize_ps-cn-10_file-66.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 84cfde4a Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i -s /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-84cfde4 [2024-10-11 08:08:14,426 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-11 08:08:14,483 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-11 08:08:14,488 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-11 08:08:14,489 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-11 08:08:14,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-11 08:08:14,511 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-11 08:08:14,512 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-11 08:08:14,513 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-11 08:08:14,516 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-11 08:08:14,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-11 08:08:14,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-11 08:08:14,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-11 08:08:14,518 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-11 08:08:14,519 INFO L153 SettingsManager]: * Use SBE=true [2024-10-11 08:08:14,519 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-11 08:08:14,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-11 08:08:14,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-11 08:08:14,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-11 08:08:14,520 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-11 08:08:14,520 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-11 08:08:14,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-11 08:08:14,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-11 08:08:14,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-11 08:08:14,521 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-11 08:08:14,521 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-11 08:08:14,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-11 08:08:14,521 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-11 08:08:14,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-11 08:08:14,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-11 08:08:14,522 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-11 08:08:14,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-11 08:08:14,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:08:14,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-11 08:08:14,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-11 08:08:14,523 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-11 08:08:14,523 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-11 08:08:14,523 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-11 08:08:14,523 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-11 08:08:14,523 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-11 08:08:14,523 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-11 08:08:14,526 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-11 08:08:14,527 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 12bb580d008789dc82bd22e84ab6c6fa66b09798075ab5a16232b78d93de6996 [2024-10-11 08:08:14,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-11 08:08:14,794 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-11 08:08:14,797 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-11 08:08:14,798 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-11 08:08:14,799 INFO L274 PluginConnector]: CDTParser initialized [2024-10-11 08:08:14,800 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-10-11 08:08:16,239 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-11 08:08:16,478 INFO L384 CDTParser]: Found 1 translation units. [2024-10-11 08:08:16,479 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-10-11 08:08:16,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bc410b738/b3b18cebd92949a99acc63b57a6cdade/FLAG1e9f324a4 [2024-10-11 08:08:16,843 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/data/bc410b738/b3b18cebd92949a99acc63b57a6cdade [2024-10-11 08:08:16,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-11 08:08:16,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-11 08:08:16,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-11 08:08:16,851 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-11 08:08:16,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-11 08:08:16,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:16" (1/1) ... [2024-10-11 08:08:16,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d1680e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:16, skipping insertion in model container [2024-10-11 08:08:16,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 08:08:16" (1/1) ... [2024-10-11 08:08:16,896 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-11 08:08:17,073 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_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-10-11 08:08:17,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:08:17,163 INFO L200 MainTranslator]: Completed pre-run [2024-10-11 08:08:17,177 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_fillercodesize_ps-cn-10_file-66.i[915,928] [2024-10-11 08:08:17,243 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-11 08:08:17,271 INFO L204 MainTranslator]: Completed translation [2024-10-11 08:08:17,274 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17 WrapperNode [2024-10-11 08:08:17,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-11 08:08:17,276 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-11 08:08:17,276 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-11 08:08:17,276 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-11 08:08:17,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,310 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,364 INFO L138 Inliner]: procedures = 26, calls = 46, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2024-10-11 08:08:17,367 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-11 08:08:17,368 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-11 08:08:17,368 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-11 08:08:17,368 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-11 08:08:17,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,391 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,418 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-11 08:08:17,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,428 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,429 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,432 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-11 08:08:17,432 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-11 08:08:17,432 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-11 08:08:17,433 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-11 08:08:17,433 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (1/1) ... [2024-10-11 08:08:17,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-11 08:08:17,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 [2024-10-11 08:08:17,460 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-11 08:08:17,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-clean/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-11 08:08:17,507 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-11 08:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-10-11 08:08:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-10-11 08:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-11 08:08:17,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-11 08:08:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-11 08:08:17,598 INFO L238 CfgBuilder]: Building ICFG [2024-10-11 08:08:17,600 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-11 08:08:17,910 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-10-11 08:08:17,910 INFO L287 CfgBuilder]: Performing block encoding [2024-10-11 08:08:17,960 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-11 08:08:17,961 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-11 08:08:17,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:17 BoogieIcfgContainer [2024-10-11 08:08:17,962 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-11 08:08:17,965 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-11 08:08:17,965 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-11 08:08:17,968 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-11 08:08:17,968 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 08:08:16" (1/3) ... [2024-10-11 08:08:17,968 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23443d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:17, skipping insertion in model container [2024-10-11 08:08:17,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 08:08:17" (2/3) ... [2024-10-11 08:08:17,969 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23443d22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 08:08:17, skipping insertion in model container [2024-10-11 08:08:17,969 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 08:08:17" (3/3) ... [2024-10-11 08:08:17,974 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-66.i [2024-10-11 08:08:17,986 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-11 08:08:17,987 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-11 08:08:18,054 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-11 08:08:18,061 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;@505e19a7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-11 08:08:18,062 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-11 08:08:18,066 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 08:08:18,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 08:08:18,085 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:08:18,086 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:08:18,086 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:08:18,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:08:18,091 INFO L85 PathProgramCache]: Analyzing trace with hash 511374933, now seen corresponding path program 1 times [2024-10-11 08:08:18,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:08:18,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826377659] [2024-10-11 08:08:18,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:08:18,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:08:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:08:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,424 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:08:18,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:08:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,442 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:08:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:08:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:08:18,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:08:18,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:08:18,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:08:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:08:18,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,467 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:08:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:08:18,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:08:18,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,479 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:08:18,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,482 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:08:18,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:08:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,488 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:08:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:08:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,500 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:08:18,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:08:18,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,508 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:08:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:08:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:08:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,528 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:08:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,532 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:08:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,541 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:08:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,554 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:08:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:08:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,580 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:08:18,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:08:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:08:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:08:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:08:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:18,635 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:08:18,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:08:18,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1826377659] [2024-10-11 08:08:18,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1826377659] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:08:18,637 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:08:18,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-11 08:08:18,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579395966] [2024-10-11 08:08:18,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:08:18,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-11 08:08:18,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:08:18,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-11 08:08:18,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:08:18,673 INFO L87 Difference]: Start difference. First operand has 81 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 46 states have internal predecessors, (64), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:08:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:08:18,732 INFO L93 Difference]: Finished difference Result 159 states and 291 transitions. [2024-10-11 08:08:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-11 08:08:18,736 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) Word has length 200 [2024-10-11 08:08:18,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:08:18,747 INFO L225 Difference]: With dead ends: 159 [2024-10-11 08:08:18,747 INFO L226 Difference]: Without dead ends: 79 [2024-10-11 08:08:18,753 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-11 08:08:18,760 INFO L432 NwaCegarLoop]: 122 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, 122 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:08:18,762 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 122 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:08:18,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-10-11 08:08:18,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-10-11 08:08:18,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 44 states have (on average 1.3409090909090908) internal successors, (59), 44 states have internal predecessors, (59), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2024-10-11 08:08:18,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 125 transitions. [2024-10-11 08:08:18,826 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 125 transitions. Word has length 200 [2024-10-11 08:08:18,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:08:18,828 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 125 transitions. [2024-10-11 08:08:18,828 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:08:18,829 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 125 transitions. [2024-10-11 08:08:18,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 08:08:18,836 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:08:18,836 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:08:18,837 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-11 08:08:18,837 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:08:18,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:08:18,838 INFO L85 PathProgramCache]: Analyzing trace with hash 493199507, now seen corresponding path program 1 times [2024-10-11 08:08:18,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:08:18,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748254069] [2024-10-11 08:08:18,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:08:18,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:08:18,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:08:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:08:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:08:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:08:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,123 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:08:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:08:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:08:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:08:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:08:19,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:08:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:08:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:08:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:08:19,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:08:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:08:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:08:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:08:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:08:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:08:19,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:08:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:08:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:08:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:08:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:08:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:08:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:08:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:08:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:08:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:08:19,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,172 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:08:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:08:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,176 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:08:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:08:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:08:19,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:08:19,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748254069] [2024-10-11 08:08:19,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748254069] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:08:19,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:08:19,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-11 08:08:19,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567822615] [2024-10-11 08:08:19,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:08:19,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-11 08:08:19,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:08:19,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-11 08:08:19,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:08:19,184 INFO L87 Difference]: Start difference. First operand 79 states and 125 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:08:19,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:08:19,276 INFO L93 Difference]: Finished difference Result 234 states and 371 transitions. [2024-10-11 08:08:19,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-11 08:08:19,277 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-11 08:08:19,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:08:19,279 INFO L225 Difference]: With dead ends: 234 [2024-10-11 08:08:19,279 INFO L226 Difference]: Without dead ends: 156 [2024-10-11 08:08:19,280 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-11 08:08:19,281 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 113 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:08:19,281 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 229 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-11 08:08:19,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-11 08:08:19,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 154. [2024-10-11 08:08:19,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 85 states have (on average 1.2941176470588236) internal successors, (110), 85 states have internal predecessors, (110), 66 states have call successors, (66), 2 states have call predecessors, (66), 2 states have return successors, (66), 66 states have call predecessors, (66), 66 states have call successors, (66) [2024-10-11 08:08:19,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 242 transitions. [2024-10-11 08:08:19,308 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 242 transitions. Word has length 200 [2024-10-11 08:08:19,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:08:19,308 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 242 transitions. [2024-10-11 08:08:19,309 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:08:19,309 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 242 transitions. [2024-10-11 08:08:19,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 08:08:19,311 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:08:19,311 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:08:19,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-11 08:08:19,311 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:08:19,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:08:19,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1281807855, now seen corresponding path program 1 times [2024-10-11 08:08:19,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:08:19,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068682628] [2024-10-11 08:08:19,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:08:19,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:08:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:08:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:08:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,971 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:08:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,976 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:08:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:08:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,984 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:08:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:08:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:08:19,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:19,996 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:08:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,003 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:08:20,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,011 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:08:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:08:20,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:08:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,023 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:08:20,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:08:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:08:20,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:08:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:08:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,051 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:08:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:08:20,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,060 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:08:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:08:20,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:08:20,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,073 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:08:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:08:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:08:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,089 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:08:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:08:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:08:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:08:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:08:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:08:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:08:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:20,124 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:08:20,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:08:20,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068682628] [2024-10-11 08:08:20,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068682628] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:08:20,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:08:20,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-10-11 08:08:20,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1330377060] [2024-10-11 08:08:20,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:08:20,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-11 08:08:20,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:08:20,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-11 08:08:20,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-11 08:08:20,131 INFO L87 Difference]: Start difference. First operand 154 states and 242 transitions. Second operand has 5 states, 5 states have (on average 7.6) internal successors, (38), 5 states have internal predecessors, (38), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:08:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:08:20,506 INFO L93 Difference]: Finished difference Result 367 states and 569 transitions. [2024-10-11 08:08:20,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-11 08:08:20,507 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), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 200 [2024-10-11 08:08:20,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:08:20,515 INFO L225 Difference]: With dead ends: 367 [2024-10-11 08:08:20,515 INFO L226 Difference]: Without dead ends: 214 [2024-10-11 08:08:20,517 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-10-11 08:08:20,521 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 139 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-11 08:08:20,521 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 194 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-11 08:08:20,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-10-11 08:08:20,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 208. [2024-10-11 08:08:20,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 125 states have (on average 1.32) internal successors, (165), 127 states have internal predecessors, (165), 78 states have call successors, (78), 4 states have call predecessors, (78), 4 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-11 08:08:20,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 321 transitions. [2024-10-11 08:08:20,571 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 321 transitions. Word has length 200 [2024-10-11 08:08:20,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:08:20,572 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 321 transitions. [2024-10-11 08:08:20,572 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), 2 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2024-10-11 08:08:20,576 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 321 transitions. [2024-10-11 08:08:20,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 08:08:20,579 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:08:20,579 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:08:20,580 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-11 08:08:20,580 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:08:20,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:08:20,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1539973293, now seen corresponding path program 1 times [2024-10-11 08:08:20,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:08:20,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669001439] [2024-10-11 08:08:20,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:08:20,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:08:20,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,576 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:08:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:08:46,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:08:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:08:46,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:08:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,588 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:08:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:08:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:08:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:08:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:08:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,595 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:08:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:08:46,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:08:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:08:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:08:46,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:08:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:08:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:08:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:08:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:08:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,607 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:08:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:08:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:08:46,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,612 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:08:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:08:46,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:08:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:08:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:08:46,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:08:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:08:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:08:46,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:08:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:08:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:08:46,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:08:46,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:08:46,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669001439] [2024-10-11 08:08:46,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669001439] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:08:46,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:08:46,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-10-11 08:08:46,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004471149] [2024-10-11 08:08:46,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:08:46,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-11 08:08:46,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:08:46,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-11 08:08:46,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2024-10-11 08:08:46,643 INFO L87 Difference]: Start difference. First operand 208 states and 321 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:08:47,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:08:47,780 INFO L93 Difference]: Finished difference Result 261 states and 379 transitions. [2024-10-11 08:08:47,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-10-11 08:08:47,786 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-11 08:08:47,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:08:47,789 INFO L225 Difference]: With dead ends: 261 [2024-10-11 08:08:47,793 INFO L226 Difference]: Without dead ends: 259 [2024-10-11 08:08:47,794 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2024-10-11 08:08:47,795 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 191 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 274 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 191 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 274 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-10-11 08:08:47,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [191 Valid, 451 Invalid, 283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 274 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-10-11 08:08:47,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-10-11 08:08:47,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 225. [2024-10-11 08:08:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 140 states have (on average 1.3071428571428572) internal successors, (183), 142 states have internal predecessors, (183), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-11 08:08:47,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 339 transitions. [2024-10-11 08:08:47,823 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 339 transitions. Word has length 200 [2024-10-11 08:08:47,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:08:47,824 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 339 transitions. [2024-10-11 08:08:47,824 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, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:08:47,824 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 339 transitions. [2024-10-11 08:08:47,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 08:08:47,826 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:08:47,826 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:08:47,826 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-11 08:08:47,826 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:08:47,827 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:08:47,827 INFO L85 PathProgramCache]: Analyzing trace with hash -1539913711, now seen corresponding path program 1 times [2024-10-11 08:08:47,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:08:47,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206891629] [2024-10-11 08:08:47,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:08:47,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:08:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,092 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-10-11 08:09:36,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,096 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-11 08:09:36,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,106 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-11 08:09:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2024-10-11 08:09:36,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-11 08:09:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,118 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-11 08:09:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-10-11 08:09:36,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,122 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-10-11 08:09:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,125 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-11 08:09:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-10-11 08:09:36,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,128 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-10-11 08:09:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-10-11 08:09:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2024-10-11 08:09:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,131 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-10-11 08:09:36,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2024-10-11 08:09:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-10-11 08:09:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,136 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-10-11 08:09:36,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-10-11 08:09:36,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2024-10-11 08:09:36,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2024-10-11 08:09:36,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2024-10-11 08:09:36,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2024-10-11 08:09:36,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,144 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2024-10-11 08:09:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2024-10-11 08:09:36,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2024-10-11 08:09:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2024-10-11 08:09:36,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2024-10-11 08:09:36,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2024-10-11 08:09:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2024-10-11 08:09:36,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,156 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2024-10-11 08:09:36,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2024-10-11 08:09:36,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,160 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2024-10-11 08:09:36,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2024-10-11 08:09:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-11 08:09:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2024-10-11 08:09:36,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-11 08:09:36,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206891629] [2024-10-11 08:09:36,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206891629] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-11 08:09:36,166 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-11 08:09:36,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-10-11 08:09:36,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607359459] [2024-10-11 08:09:36,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-11 08:09:36,166 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-10-11 08:09:36,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-11 08:09:36,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-10-11 08:09:36,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2024-10-11 08:09:36,168 INFO L87 Difference]: Start difference. First operand 225 states and 339 transitions. Second operand has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:09:39,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-11 08:09:39,290 INFO L93 Difference]: Finished difference Result 259 states and 377 transitions. [2024-10-11 08:09:39,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-11 08:09:39,296 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) Word has length 200 [2024-10-11 08:09:39,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-11 08:09:39,301 INFO L225 Difference]: With dead ends: 259 [2024-10-11 08:09:39,302 INFO L226 Difference]: Without dead ends: 257 [2024-10-11 08:09:39,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2024-10-11 08:09:39,303 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 142 mSDsluCounter, 381 mSDsCounter, 0 mSdLazyCounter, 306 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 480 SdHoareTripleChecker+Invalid, 307 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 306 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-10-11 08:09:39,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 480 Invalid, 307 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 306 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-10-11 08:09:39,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2024-10-11 08:09:39,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 225. [2024-10-11 08:09:39,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 225 states, 140 states have (on average 1.3071428571428572) internal successors, (183), 142 states have internal predecessors, (183), 78 states have call successors, (78), 6 states have call predecessors, (78), 6 states have return successors, (78), 76 states have call predecessors, (78), 78 states have call successors, (78) [2024-10-11 08:09:39,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 339 transitions. [2024-10-11 08:09:39,333 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 339 transitions. Word has length 200 [2024-10-11 08:09:39,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-11 08:09:39,334 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 339 transitions. [2024-10-11 08:09:39,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.533333333333333) internal successors, (38), 15 states have internal predecessors, (38), 1 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 1 states have call predecessors, (33), 1 states have call successors, (33) [2024-10-11 08:09:39,334 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 339 transitions. [2024-10-11 08:09:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2024-10-11 08:09:39,337 INFO L207 NwaCegarLoop]: Found error trace [2024-10-11 08:09:39,337 INFO L215 NwaCegarLoop]: trace histogram [33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-11 08:09:39,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-11 08:09:39,338 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-11 08:09:39,338 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-11 08:09:39,338 INFO L85 PathProgramCache]: Analyzing trace with hash 1945647377, now seen corresponding path program 1 times [2024-10-11 08:09:39,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-11 08:09:39,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411480985] [2024-10-11 08:09:39,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-11 08:09:39,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-11 08:09:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat