./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem04_label29.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem04_label29.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a5e3f288d112ff0ef3d4699554b169af8a93c14f70676b054259736b2555d7af --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-08 10:35:34,354 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 10:35:34,432 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 10:35:34,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 10:35:34,439 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 10:35:34,460 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 10:35:34,461 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 10:35:34,462 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 10:35:34,462 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 10:35:34,462 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 10:35:34,463 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 10:35:34,463 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 10:35:34,464 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 10:35:34,464 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 10:35:34,464 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 10:35:34,465 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 10:35:34,465 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 10:35:34,466 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 10:35:34,466 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 10:35:34,466 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 10:35:34,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 10:35:34,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 10:35:34,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 10:35:34,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 10:35:34,469 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 10:35:34,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 10:35:34,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 10:35:34,470 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 10:35:34,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 10:35:34,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 10:35:34,471 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 10:35:34,471 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 10:35:34,471 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 10:35:34,472 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 10:35:34,472 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 10:35:34,472 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 10:35:34,473 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 10:35:34,473 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 10:35:34,473 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 10:35:34,474 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 10:35:34,474 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 10:35:34,474 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 10:35:34,475 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a5e3f288d112ff0ef3d4699554b169af8a93c14f70676b054259736b2555d7af [2024-11-08 10:35:34,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 10:35:34,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 10:35:34,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 10:35:34,755 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 10:35:34,755 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 10:35:34,756 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem04_label29.c [2024-11-08 10:35:36,174 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 10:35:36,601 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 10:35:36,601 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label29.c [2024-11-08 10:35:36,635 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/effdfd31c/359ae78b74964df7a8fbcfed121d04fb/FLAG7ae71ffd0 [2024-11-08 10:35:36,652 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/effdfd31c/359ae78b74964df7a8fbcfed121d04fb [2024-11-08 10:35:36,654 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 10:35:36,656 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 10:35:36,657 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 10:35:36,658 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 10:35:36,663 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 10:35:36,663 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:36" (1/1) ... [2024-11-08 10:35:36,664 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f606118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:36, skipping insertion in model container [2024-11-08 10:35:36,665 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:35:36" (1/1) ... [2024-11-08 10:35:36,809 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 10:35:37,794 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label29.c[180190,180203] [2024-11-08 10:35:37,815 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 10:35:37,825 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 10:35:38,309 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label29.c[180190,180203] [2024-11-08 10:35:38,316 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 10:35:38,344 INFO L204 MainTranslator]: Completed translation [2024-11-08 10:35:38,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38 WrapperNode [2024-11-08 10:35:38,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 10:35:38,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 10:35:38,346 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 10:35:38,346 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 10:35:38,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,558 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5576 [2024-11-08 10:35:38,559 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 10:35:38,560 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 10:35:38,560 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 10:35:38,560 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 10:35:38,571 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,668 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,763 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 10:35:38,763 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,764 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,847 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,881 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,914 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:38,993 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 10:35:38,995 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 10:35:38,996 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 10:35:38,996 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 10:35:38,997 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (1/1) ... [2024-11-08 10:35:39,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 10:35:39,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-08 10:35:39,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 10:35:39,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 10:35:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 10:35:39,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 10:35:39,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 10:35:39,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 10:35:39,153 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 10:35:39,155 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 10:35:43,268 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-11-08 10:35:43,268 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 10:35:43,310 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 10:35:43,310 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 10:35:43,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:43 BoogieIcfgContainer [2024-11-08 10:35:43,311 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 10:35:43,313 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 10:35:43,313 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 10:35:43,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 10:35:43,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 10:35:36" (1/3) ... [2024-11-08 10:35:43,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723a427c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:35:43, skipping insertion in model container [2024-11-08 10:35:43,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:35:38" (2/3) ... [2024-11-08 10:35:43,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@723a427c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 10:35:43, skipping insertion in model container [2024-11-08 10:35:43,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:35:43" (3/3) ... [2024-11-08 10:35:43,319 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem04_label29.c [2024-11-08 10:35:43,334 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 10:35:43,335 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 10:35:43,427 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 10:35:43,434 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;@7996d8ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 10:35:43,434 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 10:35:43,445 INFO L276 IsEmpty]: Start isEmpty. Operand has 885 states, 883 states have (on average 1.9229898074745186) internal successors, (1698), 884 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:43,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 785 [2024-11-08 10:35:43,498 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:35:43,500 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:35:43,501 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:35:43,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:35:43,507 INFO L85 PathProgramCache]: Analyzing trace with hash -2120745171, now seen corresponding path program 1 times [2024-11-08 10:35:43,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:35:43,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252868078] [2024-11-08 10:35:43,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:35:43,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:35:44,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:35:45,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 10:35:45,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:35:45,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252868078] [2024-11-08 10:35:45,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252868078] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:35:45,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:35:45,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:35:45,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920323517] [2024-11-08 10:35:45,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:35:45,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:35:45,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:35:45,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:35:45,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:35:45,541 INFO L87 Difference]: Start difference. First operand has 885 states, 883 states have (on average 1.9229898074745186) internal successors, (1698), 884 states have internal predecessors, (1698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 2 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:48,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:35:48,546 INFO L93 Difference]: Finished difference Result 2589 states and 5028 transitions. [2024-11-08 10:35:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:35:48,549 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 2 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 784 [2024-11-08 10:35:48,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:35:48,572 INFO L225 Difference]: With dead ends: 2589 [2024-11-08 10:35:48,572 INFO L226 Difference]: Without dead ends: 1640 [2024-11-08 10:35:48,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:35:48,581 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 106 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2955 mSolverCounterSat, 420 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 3375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 420 IncrementalHoareTripleChecker+Valid, 2955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-11-08 10:35:48,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 109 Invalid, 3375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [420 Valid, 2955 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-11-08 10:35:48,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1640 states. [2024-11-08 10:35:48,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1640 to 1640. [2024-11-08 10:35:48,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1640 states, 1639 states have (on average 1.8791946308724832) internal successors, (3080), 1639 states have internal predecessors, (3080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1640 states to 1640 states and 3080 transitions. [2024-11-08 10:35:48,726 INFO L78 Accepts]: Start accepts. Automaton has 1640 states and 3080 transitions. Word has length 784 [2024-11-08 10:35:48,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:35:48,728 INFO L471 AbstractCegarLoop]: Abstraction has 1640 states and 3080 transitions. [2024-11-08 10:35:48,729 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 261.3333333333333) internal successors, (784), 2 states have internal predecessors, (784), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:48,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 3080 transitions. [2024-11-08 10:35:48,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2024-11-08 10:35:48,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:35:48,747 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:35:48,747 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 10:35:48,748 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:35:48,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:35:48,749 INFO L85 PathProgramCache]: Analyzing trace with hash 148315975, now seen corresponding path program 1 times [2024-11-08 10:35:48,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:35:48,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734759258] [2024-11-08 10:35:48,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:35:48,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:35:48,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:35:50,041 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 10:35:50,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:35:50,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734759258] [2024-11-08 10:35:50,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734759258] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:35:50,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:35:50,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:35:50,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348617384] [2024-11-08 10:35:50,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:35:50,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:35:50,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:35:50,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:35:50,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:35:50,047 INFO L87 Difference]: Start difference. First operand 1640 states and 3080 transitions. Second operand has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 2 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:53,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:35:53,306 INFO L93 Difference]: Finished difference Result 4914 states and 9235 transitions. [2024-11-08 10:35:53,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:35:53,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 2 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 788 [2024-11-08 10:35:53,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:35:53,321 INFO L225 Difference]: With dead ends: 4914 [2024-11-08 10:35:53,321 INFO L226 Difference]: Without dead ends: 3276 [2024-11-08 10:35:53,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:35:53,326 INFO L432 NwaCegarLoop]: 441 mSDtfsCounter, 820 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2662 mSolverCounterSat, 518 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 3180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 518 IncrementalHoareTripleChecker+Valid, 2662 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-08 10:35:53,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 448 Invalid, 3180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [518 Valid, 2662 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-08 10:35:53,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3276 states. [2024-11-08 10:35:53,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3276 to 3276. [2024-11-08 10:35:53,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3276 states, 3275 states have (on average 1.6454961832061068) internal successors, (5389), 3275 states have internal predecessors, (5389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:53,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3276 states to 3276 states and 5389 transitions. [2024-11-08 10:35:53,425 INFO L78 Accepts]: Start accepts. Automaton has 3276 states and 5389 transitions. Word has length 788 [2024-11-08 10:35:53,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:35:53,426 INFO L471 AbstractCegarLoop]: Abstraction has 3276 states and 5389 transitions. [2024-11-08 10:35:53,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 262.6666666666667) internal successors, (788), 2 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:53,427 INFO L276 IsEmpty]: Start isEmpty. Operand 3276 states and 5389 transitions. [2024-11-08 10:35:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 794 [2024-11-08 10:35:53,451 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:35:53,451 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:35:53,451 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 10:35:53,453 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:35:53,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:35:53,455 INFO L85 PathProgramCache]: Analyzing trace with hash 663079425, now seen corresponding path program 1 times [2024-11-08 10:35:53,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:35:53,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460745094] [2024-11-08 10:35:53,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:35:53,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:35:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:35:54,117 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-08 10:35:54,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:35:54,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460745094] [2024-11-08 10:35:54,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460745094] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:35:54,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:35:54,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:35:54,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632685782] [2024-11-08 10:35:54,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:35:54,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:35:54,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:35:54,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:35:54,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:35:54,124 INFO L87 Difference]: Start difference. First operand 3276 states and 5389 transitions. Second operand has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 2 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:56,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:35:56,898 INFO L93 Difference]: Finished difference Result 9822 states and 16162 transitions. [2024-11-08 10:35:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:35:56,899 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 2 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 793 [2024-11-08 10:35:56,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:35:56,922 INFO L225 Difference]: With dead ends: 9822 [2024-11-08 10:35:56,923 INFO L226 Difference]: Without dead ends: 6548 [2024-11-08 10:35:56,928 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:35:56,929 INFO L432 NwaCegarLoop]: 192 mSDtfsCounter, 995 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2279 mSolverCounterSat, 1177 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 995 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 3456 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1177 IncrementalHoareTripleChecker+Valid, 2279 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-11-08 10:35:56,930 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [995 Valid, 200 Invalid, 3456 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1177 Valid, 2279 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-11-08 10:35:56,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6548 states. [2024-11-08 10:35:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6548 to 6548. [2024-11-08 10:35:57,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6548 states, 6547 states have (on average 1.5630059569268366) internal successors, (10233), 6547 states have internal predecessors, (10233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:57,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6548 states to 6548 states and 10233 transitions. [2024-11-08 10:35:57,047 INFO L78 Accepts]: Start accepts. Automaton has 6548 states and 10233 transitions. Word has length 793 [2024-11-08 10:35:57,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:35:57,047 INFO L471 AbstractCegarLoop]: Abstraction has 6548 states and 10233 transitions. [2024-11-08 10:35:57,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 263.3333333333333) internal successors, (790), 2 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:35:57,051 INFO L276 IsEmpty]: Start isEmpty. Operand 6548 states and 10233 transitions. [2024-11-08 10:35:57,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 800 [2024-11-08 10:35:57,067 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:35:57,068 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:35:57,068 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 10:35:57,071 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:35:57,071 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:35:57,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1920401038, now seen corresponding path program 1 times [2024-11-08 10:35:57,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:35:57,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386843352] [2024-11-08 10:35:57,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:35:57,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:35:57,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:35:58,800 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 10:35:58,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:35:58,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386843352] [2024-11-08 10:35:58,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386843352] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:35:58,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:35:58,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 10:35:58,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544227624] [2024-11-08 10:35:58,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:35:58,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 10:35:58,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:35:58,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 10:35:58,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 10:35:58,805 INFO L87 Difference]: Start difference. First operand 6548 states and 10233 transitions. Second operand has 5 states, 5 states have (on average 159.8) internal successors, (799), 4 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:05,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:05,668 INFO L93 Difference]: Finished difference Result 27765 states and 42530 transitions. [2024-11-08 10:36:05,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 10:36:05,669 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 159.8) internal successors, (799), 4 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 799 [2024-11-08 10:36:05,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:05,730 INFO L225 Difference]: With dead ends: 27765 [2024-11-08 10:36:05,730 INFO L226 Difference]: Without dead ends: 21219 [2024-11-08 10:36:05,743 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 10:36:05,744 INFO L432 NwaCegarLoop]: 342 mSDtfsCounter, 3397 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 7475 mSolverCounterSat, 2358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3397 SdHoareTripleChecker+Valid, 378 SdHoareTripleChecker+Invalid, 9833 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2358 IncrementalHoareTripleChecker+Valid, 7475 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.6s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:05,744 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3397 Valid, 378 Invalid, 9833 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2358 Valid, 7475 Invalid, 0 Unknown, 0 Unchecked, 6.6s Time] [2024-11-08 10:36:05,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21219 states. [2024-11-08 10:36:06,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21219 to 18000. [2024-11-08 10:36:06,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18000 states, 17999 states have (on average 1.3771320628923829) internal successors, (24787), 17999 states have internal predecessors, (24787), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:06,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18000 states to 18000 states and 24787 transitions. [2024-11-08 10:36:06,134 INFO L78 Accepts]: Start accepts. Automaton has 18000 states and 24787 transitions. Word has length 799 [2024-11-08 10:36:06,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:06,135 INFO L471 AbstractCegarLoop]: Abstraction has 18000 states and 24787 transitions. [2024-11-08 10:36:06,136 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 159.8) internal successors, (799), 4 states have internal predecessors, (799), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:06,136 INFO L276 IsEmpty]: Start isEmpty. Operand 18000 states and 24787 transitions. [2024-11-08 10:36:06,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 865 [2024-11-08 10:36:06,168 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:06,169 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:06,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 10:36:06,170 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:06,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:06,171 INFO L85 PathProgramCache]: Analyzing trace with hash -3733122, now seen corresponding path program 1 times [2024-11-08 10:36:06,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:06,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336406224] [2024-11-08 10:36:06,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:06,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:06,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:06,879 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-08 10:36:06,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:06,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336406224] [2024-11-08 10:36:06,881 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336406224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:06,881 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:06,882 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 10:36:06,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678516176] [2024-11-08 10:36:06,882 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:06,883 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:06,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:06,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:06,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:06,889 INFO L87 Difference]: Start difference. First operand 18000 states and 24787 transitions. Second operand has 3 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:09,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:09,369 INFO L93 Difference]: Finished difference Result 42542 states and 60641 transitions. [2024-11-08 10:36:09,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:09,370 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 864 [2024-11-08 10:36:09,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:09,424 INFO L225 Difference]: With dead ends: 42542 [2024-11-08 10:36:09,424 INFO L226 Difference]: Without dead ends: 24544 [2024-11-08 10:36:09,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:09,446 INFO L432 NwaCegarLoop]: 1115 mSDtfsCounter, 837 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 2894 mSolverCounterSat, 325 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 3219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 325 IncrementalHoareTripleChecker+Valid, 2894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:09,446 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 1124 Invalid, 3219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [325 Valid, 2894 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 10:36:09,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24544 states. [2024-11-08 10:36:09,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24544 to 23726. [2024-11-08 10:36:09,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23726 states, 23725 states have (on average 1.4168598524762908) internal successors, (33615), 23725 states have internal predecessors, (33615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:09,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23726 states to 23726 states and 33615 transitions. [2024-11-08 10:36:09,804 INFO L78 Accepts]: Start accepts. Automaton has 23726 states and 33615 transitions. Word has length 864 [2024-11-08 10:36:09,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:09,804 INFO L471 AbstractCegarLoop]: Abstraction has 23726 states and 33615 transitions. [2024-11-08 10:36:09,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 274.6666666666667) internal successors, (824), 3 states have internal predecessors, (824), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:09,805 INFO L276 IsEmpty]: Start isEmpty. Operand 23726 states and 33615 transitions. [2024-11-08 10:36:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1017 [2024-11-08 10:36:09,850 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:09,851 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:09,851 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 10:36:09,852 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:09,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:09,852 INFO L85 PathProgramCache]: Analyzing trace with hash -569215275, now seen corresponding path program 1 times [2024-11-08 10:36:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:09,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693090636] [2024-11-08 10:36:09,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:09,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:10,530 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2024-11-08 10:36:10,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:10,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693090636] [2024-11-08 10:36:10,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693090636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:10,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:10,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:36:10,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601120686] [2024-11-08 10:36:10,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:10,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:10,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:10,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:10,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:10,536 INFO L87 Difference]: Start difference. First operand 23726 states and 33615 transitions. Second operand has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 2 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:13,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:13,146 INFO L93 Difference]: Finished difference Result 59720 states and 83566 transitions. [2024-11-08 10:36:13,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:13,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 2 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1016 [2024-11-08 10:36:13,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:13,218 INFO L225 Difference]: With dead ends: 59720 [2024-11-08 10:36:13,218 INFO L226 Difference]: Without dead ends: 35996 [2024-11-08 10:36:13,251 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:13,252 INFO L432 NwaCegarLoop]: 334 mSDtfsCounter, 980 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2169 mSolverCounterSat, 985 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 980 SdHoareTripleChecker+Valid, 341 SdHoareTripleChecker+Invalid, 3154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 985 IncrementalHoareTripleChecker+Valid, 2169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:13,253 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [980 Valid, 341 Invalid, 3154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [985 Valid, 2169 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 10:36:13,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35996 states. [2024-11-08 10:36:13,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35996 to 33542. [2024-11-08 10:36:13,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33542 states, 33541 states have (on average 1.2787633046122655) internal successors, (42891), 33541 states have internal predecessors, (42891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:13,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33542 states to 33542 states and 42891 transitions. [2024-11-08 10:36:13,704 INFO L78 Accepts]: Start accepts. Automaton has 33542 states and 42891 transitions. Word has length 1016 [2024-11-08 10:36:13,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:13,705 INFO L471 AbstractCegarLoop]: Abstraction has 33542 states and 42891 transitions. [2024-11-08 10:36:13,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 277.6666666666667) internal successors, (833), 2 states have internal predecessors, (833), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:13,707 INFO L276 IsEmpty]: Start isEmpty. Operand 33542 states and 42891 transitions. [2024-11-08 10:36:13,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1101 [2024-11-08 10:36:13,756 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:13,757 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:13,757 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 10:36:13,757 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:13,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:13,758 INFO L85 PathProgramCache]: Analyzing trace with hash 1075973737, now seen corresponding path program 1 times [2024-11-08 10:36:13,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:13,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387689878] [2024-11-08 10:36:13,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:13,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:14,523 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 399 proven. 0 refuted. 0 times theorem prover too weak. 414 trivial. 0 not checked. [2024-11-08 10:36:14,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:14,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387689878] [2024-11-08 10:36:14,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387689878] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:14,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:14,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:36:14,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406900896] [2024-11-08 10:36:14,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:14,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:14,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:14,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:14,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:14,528 INFO L87 Difference]: Start difference. First operand 33542 states and 42891 transitions. Second operand has 3 states, 3 states have (on average 301.0) internal successors, (903), 2 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:17,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:17,004 INFO L93 Difference]: Finished difference Result 72808 states and 93504 transitions. [2024-11-08 10:36:17,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:17,004 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 2 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1100 [2024-11-08 10:36:17,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:17,193 INFO L225 Difference]: With dead ends: 72808 [2024-11-08 10:36:17,193 INFO L226 Difference]: Without dead ends: 39268 [2024-11-08 10:36:17,212 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:17,216 INFO L432 NwaCegarLoop]: 264 mSDtfsCounter, 749 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2823 mSolverCounterSat, 376 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 749 SdHoareTripleChecker+Valid, 271 SdHoareTripleChecker+Invalid, 3199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 376 IncrementalHoareTripleChecker+Valid, 2823 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:17,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [749 Valid, 271 Invalid, 3199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [376 Valid, 2823 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-11-08 10:36:17,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39268 states. [2024-11-08 10:36:17,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39268 to 39268. [2024-11-08 10:36:17,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39268 states, 39267 states have (on average 1.2498790332849465) internal successors, (49079), 39267 states have internal predecessors, (49079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:17,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39268 states to 39268 states and 49079 transitions. [2024-11-08 10:36:17,659 INFO L78 Accepts]: Start accepts. Automaton has 39268 states and 49079 transitions. Word has length 1100 [2024-11-08 10:36:17,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:17,659 INFO L471 AbstractCegarLoop]: Abstraction has 39268 states and 49079 transitions. [2024-11-08 10:36:17,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 301.0) internal successors, (903), 2 states have internal predecessors, (903), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:17,660 INFO L276 IsEmpty]: Start isEmpty. Operand 39268 states and 49079 transitions. [2024-11-08 10:36:17,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1119 [2024-11-08 10:36:17,711 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:17,713 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:17,713 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-08 10:36:17,713 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:17,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:17,714 INFO L85 PathProgramCache]: Analyzing trace with hash 1156979595, now seen corresponding path program 1 times [2024-11-08 10:36:17,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:17,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413464210] [2024-11-08 10:36:17,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:17,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:18,402 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 331 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-08 10:36:18,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:18,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413464210] [2024-11-08 10:36:18,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413464210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:18,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:18,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:36:18,404 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809727455] [2024-11-08 10:36:18,404 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:18,405 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:18,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:18,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:18,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:18,406 INFO L87 Difference]: Start difference. First operand 39268 states and 49079 transitions. Second operand has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 2 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:21,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:21,087 INFO L93 Difference]: Finished difference Result 102256 states and 128882 transitions. [2024-11-08 10:36:21,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:21,088 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 2 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1118 [2024-11-08 10:36:21,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:21,172 INFO L225 Difference]: With dead ends: 102256 [2024-11-08 10:36:21,172 INFO L226 Difference]: Without dead ends: 62990 [2024-11-08 10:36:21,215 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:21,216 INFO L432 NwaCegarLoop]: 612 mSDtfsCounter, 809 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2107 mSolverCounterSat, 1066 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 620 SdHoareTripleChecker+Invalid, 3173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1066 IncrementalHoareTripleChecker+Valid, 2107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:21,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 620 Invalid, 3173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1066 Valid, 2107 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 10:36:21,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62990 states. [2024-11-08 10:36:21,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62990 to 59718. [2024-11-08 10:36:22,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59718 states, 59717 states have (on average 1.1944504914848368) internal successors, (71329), 59717 states have internal predecessors, (71329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:22,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59718 states to 59718 states and 71329 transitions. [2024-11-08 10:36:22,098 INFO L78 Accepts]: Start accepts. Automaton has 59718 states and 71329 transitions. Word has length 1118 [2024-11-08 10:36:22,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:22,099 INFO L471 AbstractCegarLoop]: Abstraction has 59718 states and 71329 transitions. [2024-11-08 10:36:22,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 297.6666666666667) internal successors, (893), 2 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:22,100 INFO L276 IsEmpty]: Start isEmpty. Operand 59718 states and 71329 transitions. [2024-11-08 10:36:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1598 [2024-11-08 10:36:22,222 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:22,223 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:22,223 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-08 10:36:22,224 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:22,224 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:22,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1611117871, now seen corresponding path program 1 times [2024-11-08 10:36:22,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:22,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003801389] [2024-11-08 10:36:22,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:22,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:22,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:23,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1466 backedges. 536 proven. 0 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2024-11-08 10:36:23,321 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:23,321 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003801389] [2024-11-08 10:36:23,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003801389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:23,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:23,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:36:23,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551484451] [2024-11-08 10:36:23,322 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:23,323 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:23,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:23,324 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:23,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:23,324 INFO L87 Difference]: Start difference. First operand 59718 states and 71329 transitions. Second operand has 3 states, 3 states have (on average 311.0) internal successors, (933), 2 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:26,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:26,321 INFO L93 Difference]: Finished difference Result 152154 states and 183116 transitions. [2024-11-08 10:36:26,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:26,322 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 311.0) internal successors, (933), 2 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1597 [2024-11-08 10:36:26,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:26,418 INFO L225 Difference]: With dead ends: 152154 [2024-11-08 10:36:26,418 INFO L226 Difference]: Without dead ends: 92438 [2024-11-08 10:36:26,455 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:26,456 INFO L432 NwaCegarLoop]: 467 mSDtfsCounter, 952 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2064 mSolverCounterSat, 1063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 952 SdHoareTripleChecker+Valid, 474 SdHoareTripleChecker+Invalid, 3127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1063 IncrementalHoareTripleChecker+Valid, 2064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:26,456 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [952 Valid, 474 Invalid, 3127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1063 Valid, 2064 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-11-08 10:36:26,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92438 states. [2024-11-08 10:36:27,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92438 to 79350. [2024-11-08 10:36:27,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79350 states, 79349 states have (on average 1.1693279058337218) internal successors, (92785), 79349 states have internal predecessors, (92785), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79350 states to 79350 states and 92785 transitions. [2024-11-08 10:36:27,601 INFO L78 Accepts]: Start accepts. Automaton has 79350 states and 92785 transitions. Word has length 1597 [2024-11-08 10:36:27,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:27,601 INFO L471 AbstractCegarLoop]: Abstraction has 79350 states and 92785 transitions. [2024-11-08 10:36:27,602 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.0) internal successors, (933), 2 states have internal predecessors, (933), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:27,602 INFO L276 IsEmpty]: Start isEmpty. Operand 79350 states and 92785 transitions. [2024-11-08 10:36:27,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1731 [2024-11-08 10:36:27,721 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:27,722 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:27,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-08 10:36:27,722 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:27,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:27,723 INFO L85 PathProgramCache]: Analyzing trace with hash 486079261, now seen corresponding path program 1 times [2024-11-08 10:36:27,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:27,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049063901] [2024-11-08 10:36:27,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:27,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:29,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1862 backedges. 663 proven. 0 refuted. 0 times theorem prover too weak. 1199 trivial. 0 not checked. [2024-11-08 10:36:29,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:29,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049063901] [2024-11-08 10:36:29,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049063901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:29,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:29,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:36:29,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023395642] [2024-11-08 10:36:29,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:29,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:29,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:29,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:29,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:29,867 INFO L87 Difference]: Start difference. First operand 79350 states and 92785 transitions. Second operand has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 2 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:32,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:32,642 INFO L93 Difference]: Finished difference Result 176694 states and 206810 transitions. [2024-11-08 10:36:32,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:32,642 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 2 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1730 [2024-11-08 10:36:32,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:32,746 INFO L225 Difference]: With dead ends: 176694 [2024-11-08 10:36:32,746 INFO L226 Difference]: Without dead ends: 97346 [2024-11-08 10:36:32,801 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:32,802 INFO L432 NwaCegarLoop]: 594 mSDtfsCounter, 625 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2221 mSolverCounterSat, 987 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 625 SdHoareTripleChecker+Valid, 601 SdHoareTripleChecker+Invalid, 3208 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 987 IncrementalHoareTripleChecker+Valid, 2221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:32,802 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [625 Valid, 601 Invalid, 3208 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [987 Valid, 2221 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 10:36:32,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97346 states. [2024-11-08 10:36:33,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97346 to 96528. [2024-11-08 10:36:33,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96528 states, 96527 states have (on average 1.1536772094854288) internal successors, (111361), 96527 states have internal predecessors, (111361), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:33,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96528 states to 96528 states and 111361 transitions. [2024-11-08 10:36:33,947 INFO L78 Accepts]: Start accepts. Automaton has 96528 states and 111361 transitions. Word has length 1730 [2024-11-08 10:36:33,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:33,948 INFO L471 AbstractCegarLoop]: Abstraction has 96528 states and 111361 transitions. [2024-11-08 10:36:33,948 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 338.6666666666667) internal successors, (1016), 2 states have internal predecessors, (1016), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:33,948 INFO L276 IsEmpty]: Start isEmpty. Operand 96528 states and 111361 transitions. [2024-11-08 10:36:34,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1945 [2024-11-08 10:36:34,369 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:34,370 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:34,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 10:36:34,371 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:34,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:34,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1116182644, now seen corresponding path program 1 times [2024-11-08 10:36:34,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:34,372 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506648819] [2024-11-08 10:36:34,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:34,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:36,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2024-11-08 10:36:36,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:36,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [506648819] [2024-11-08 10:36:36,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [506648819] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:36,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:36,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 10:36:36,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144451906] [2024-11-08 10:36:36,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:36,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:36,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:36,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:36,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:36,203 INFO L87 Difference]: Start difference. First operand 96528 states and 111361 transitions. Second operand has 3 states, 3 states have (on average 268.0) internal successors, (804), 2 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:39,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:39,076 INFO L93 Difference]: Finished difference Result 180784 states and 207869 transitions. [2024-11-08 10:36:39,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:39,077 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 268.0) internal successors, (804), 2 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1944 [2024-11-08 10:36:39,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:39,154 INFO L225 Difference]: With dead ends: 180784 [2024-11-08 10:36:39,154 INFO L226 Difference]: Without dead ends: 84258 [2024-11-08 10:36:39,172 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:39,173 INFO L432 NwaCegarLoop]: 573 mSDtfsCounter, 817 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 365 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 817 SdHoareTripleChecker+Valid, 581 SdHoareTripleChecker+Invalid, 3227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 365 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:39,173 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [817 Valid, 581 Invalid, 3227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [365 Valid, 2862 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-11-08 10:36:39,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84258 states. [2024-11-08 10:36:39,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84258 to 84258. [2024-11-08 10:36:39,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84258 states, 84257 states have (on average 1.1225654841734218) internal successors, (94584), 84257 states have internal predecessors, (94584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:40,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84258 states to 84258 states and 94584 transitions. [2024-11-08 10:36:40,010 INFO L78 Accepts]: Start accepts. Automaton has 84258 states and 94584 transitions. Word has length 1944 [2024-11-08 10:36:40,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:40,010 INFO L471 AbstractCegarLoop]: Abstraction has 84258 states and 94584 transitions. [2024-11-08 10:36:40,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 268.0) internal successors, (804), 2 states have internal predecessors, (804), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:40,010 INFO L276 IsEmpty]: Start isEmpty. Operand 84258 states and 94584 transitions. [2024-11-08 10:36:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1954 [2024-11-08 10:36:40,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:40,387 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:40,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-08 10:36:40,388 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:40,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:40,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1693361555, now seen corresponding path program 1 times [2024-11-08 10:36:40,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:40,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281897402] [2024-11-08 10:36:40,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:40,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:40,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:41,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1043 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2024-11-08 10:36:41,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:41,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281897402] [2024-11-08 10:36:41,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281897402] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:41,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:41,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 10:36:41,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556362027] [2024-11-08 10:36:41,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:41,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 10:36:41,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:41,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 10:36:41,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:41,868 INFO L87 Difference]: Start difference. First operand 84258 states and 94584 transitions. Second operand has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:44,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 10:36:44,759 INFO L93 Difference]: Finished difference Result 181602 states and 204240 transitions. [2024-11-08 10:36:44,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 10:36:44,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1953 [2024-11-08 10:36:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 10:36:44,861 INFO L225 Difference]: With dead ends: 181602 [2024-11-08 10:36:44,862 INFO L226 Difference]: Without dead ends: 97346 [2024-11-08 10:36:44,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 10:36:44,891 INFO L432 NwaCegarLoop]: 220 mSDtfsCounter, 821 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2366 mSolverCounterSat, 1079 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 227 SdHoareTripleChecker+Invalid, 3445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1079 IncrementalHoareTripleChecker+Valid, 2366 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-11-08 10:36:44,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 227 Invalid, 3445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1079 Valid, 2366 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-11-08 10:36:44,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97346 states. [2024-11-08 10:36:45,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97346 to 91620. [2024-11-08 10:36:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91620 states, 91619 states have (on average 1.1243082766675034) internal successors, (103008), 91619 states have internal predecessors, (103008), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:46,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91620 states to 91620 states and 103008 transitions. [2024-11-08 10:36:46,009 INFO L78 Accepts]: Start accepts. Automaton has 91620 states and 103008 transitions. Word has length 1953 [2024-11-08 10:36:46,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 10:36:46,010 INFO L471 AbstractCegarLoop]: Abstraction has 91620 states and 103008 transitions. [2024-11-08 10:36:46,010 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 393.6666666666667) internal successors, (1181), 3 states have internal predecessors, (1181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 10:36:46,010 INFO L276 IsEmpty]: Start isEmpty. Operand 91620 states and 103008 transitions. [2024-11-08 10:36:46,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1965 [2024-11-08 10:36:46,132 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 10:36:46,133 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 10:36:46,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-08 10:36:46,133 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 10:36:46,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 10:36:46,134 INFO L85 PathProgramCache]: Analyzing trace with hash -1954506017, now seen corresponding path program 1 times [2024-11-08 10:36:46,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 10:36:46,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231090653] [2024-11-08 10:36:46,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 10:36:46,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 10:36:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 10:36:48,654 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 686 proven. 0 refuted. 0 times theorem prover too weak. 1502 trivial. 0 not checked. [2024-11-08 10:36:48,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 10:36:48,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231090653] [2024-11-08 10:36:48,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231090653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 10:36:48,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 10:36:48,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 10:36:48,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76044478] [2024-11-08 10:36:48,656 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 10:36:48,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 10:36:48,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 10:36:48,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 10:36:48,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 10:36:48,658 INFO L87 Difference]: Start difference. First operand 91620 states and 103008 transitions. Second operand has 4 states, 4 states have (on average 239.75) internal successors, (959), 3 states have internal predecessors, (959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)