./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/unreach-call.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label41.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label41.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 8a1a78af7c4b2db6e13e1279aac41ace16738d5ca6c2d9fbf2fe2932ec8f59d3 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-23 20:27:43,271 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-23 20:27:43,338 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-10-23 20:27:43,344 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-23 20:27:43,344 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-23 20:27:43,373 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-23 20:27:43,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-23 20:27:43,374 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-23 20:27:43,375 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-23 20:27:43,375 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-23 20:27:43,376 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-23 20:27:43,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-23 20:27:43,377 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-23 20:27:43,381 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-23 20:27:43,381 INFO L153 SettingsManager]: * Use SBE=true [2024-10-23 20:27:43,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-23 20:27:43,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-23 20:27:43,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-23 20:27:43,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-23 20:27:43,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-23 20:27:43,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-23 20:27:43,384 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-23 20:27:43,385 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-23 20:27:43,385 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-23 20:27:43,385 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-23 20:27:43,385 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-23 20:27:43,386 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-23 20:27:43,386 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-23 20:27:43,386 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-23 20:27:43,386 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-23 20:27:43,386 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-23 20:27:43,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-23 20:27:43,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:27:43,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-23 20:27:43,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-23 20:27:43,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-23 20:27:43,389 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-23 20:27:43,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-23 20:27:43,389 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-23 20:27:43,390 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-23 20:27:43,390 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-23 20:27:43,390 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-23 20:27:43,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8a1a78af7c4b2db6e13e1279aac41ace16738d5ca6c2d9fbf2fe2932ec8f59d3 [2024-10-23 20:27:43,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-23 20:27:43,677 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-23 20:27:43,680 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-23 20:27:43,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-23 20:27:43,682 INFO L274 PluginConnector]: CDTParser initialized [2024-10-23 20:27:43,683 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label41.c [2024-10-23 20:27:45,084 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-23 20:27:45,535 INFO L384 CDTParser]: Found 1 translation units. [2024-10-23 20:27:45,537 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label41.c [2024-10-23 20:27:45,569 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28922b5d2/92a36b4d47bc452a875d0cbfd9f42b41/FLAG3970da502 [2024-10-23 20:27:45,675 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/28922b5d2/92a36b4d47bc452a875d0cbfd9f42b41 [2024-10-23 20:27:45,677 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-23 20:27:45,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-23 20:27:45,680 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-23 20:27:45,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-23 20:27:45,684 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-23 20:27:45,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:27:45" (1/1) ... [2024-10-23 20:27:45,685 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e2d461e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:45, skipping insertion in model container [2024-10-23 20:27:45,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 08:27:45" (1/1) ... [2024-10-23 20:27:45,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-23 20:27:46,875 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label41.c[183869,183882] [2024-10-23 20:27:46,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:27:46,915 INFO L200 MainTranslator]: Completed pre-run [2024-10-23 20:27:47,351 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem04_label41.c[183869,183882] [2024-10-23 20:27:47,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-23 20:27:47,384 INFO L204 MainTranslator]: Completed translation [2024-10-23 20:27:47,385 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47 WrapperNode [2024-10-23 20:27:47,385 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-23 20:27:47,386 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-23 20:27:47,386 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-23 20:27:47,386 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-23 20:27:47,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,479 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,616 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5576 [2024-10-23 20:27:47,617 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-23 20:27:47,618 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-23 20:27:47,618 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-23 20:27:47,619 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-23 20:27:47,629 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,629 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,656 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,731 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-23 20:27:47,732 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,817 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,939 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,986 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-23 20:27:47,988 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-23 20:27:47,988 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-23 20:27:47,989 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-23 20:27:47,990 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (1/1) ... [2024-10-23 20:27:47,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-23 20:27:48,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-23 20:27:48,023 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-23 20:27:48,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-23 20:27:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-23 20:27:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-23 20:27:48,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-23 20:27:48,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-23 20:27:48,137 INFO L238 CfgBuilder]: Building ICFG [2024-10-23 20:27:48,138 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-23 20:27:52,150 INFO L? ?]: Removed 768 outVars from TransFormulas that were not future-live. [2024-10-23 20:27:52,150 INFO L287 CfgBuilder]: Performing block encoding [2024-10-23 20:27:52,232 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-23 20:27:52,232 INFO L314 CfgBuilder]: Removed 1 assume(true) statements. [2024-10-23 20:27:52,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:27:52 BoogieIcfgContainer [2024-10-23 20:27:52,232 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-23 20:27:52,238 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-23 20:27:52,238 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-23 20:27:52,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-23 20:27:52,241 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 08:27:45" (1/3) ... [2024-10-23 20:27:52,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ad62fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:27:52, skipping insertion in model container [2024-10-23 20:27:52,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 08:27:47" (2/3) ... [2024-10-23 20:27:52,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ad62fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 08:27:52, skipping insertion in model container [2024-10-23 20:27:52,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 08:27:52" (3/3) ... [2024-10-23 20:27:52,245 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem04_label41.c [2024-10-23 20:27:52,260 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-23 20:27:52,261 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-23 20:27:52,345 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-23 20:27:52,353 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;@404273bc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-23 20:27:52,353 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-10-23 20:27:52,364 INFO L276 IsEmpty]: Start isEmpty. Operand has 823 states, 821 states have (on average 1.992691839220463) internal successors, (1636), 822 states have internal predecessors, (1636), 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) [2024-10-23 20:27:52,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-10-23 20:27:52,399 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:27:52,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:27:52,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:27:52,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:27:52,408 INFO L85 PathProgramCache]: Analyzing trace with hash -2051021217, now seen corresponding path program 1 times [2024-10-23 20:27:52,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:27:52,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942502790] [2024-10-23 20:27:52,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:27:52,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:27:52,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:27:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:27:53,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:27:53,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942502790] [2024-10-23 20:27:53,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942502790] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:27:53,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:27:53,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 20:27:53,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117798022] [2024-10-23 20:27:53,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:27:53,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-10-23 20:27:53,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:27:53,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-10-23 20:27:53,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 20:27:53,833 INFO L87 Difference]: Start difference. First operand has 823 states, 821 states have (on average 1.992691839220463) internal successors, (1636), 822 states have internal predecessors, (1636), 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 2 states, 2 states have (on average 405.0) internal successors, (810), 2 states have internal predecessors, (810), 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) [2024-10-23 20:27:53,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:27:53,951 INFO L93 Difference]: Finished difference Result 1645 states and 3271 transitions. [2024-10-23 20:27:53,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-23 20:27:53,954 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 405.0) internal successors, (810), 2 states have internal predecessors, (810), 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 810 [2024-10-23 20:27:53,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:27:53,986 INFO L225 Difference]: With dead ends: 1645 [2024-10-23 20:27:53,986 INFO L226 Difference]: Without dead ends: 821 [2024-10-23 20:27:53,995 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-10-23 20:27:54,000 INFO L432 NwaCegarLoop]: 1571 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-23 20:27:54,001 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1571 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-23 20:27:54,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 821 states. [2024-10-23 20:27:54,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 821 to 821. [2024-10-23 20:27:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 821 states, 820 states have (on average 1.9158536585365853) internal successors, (1571), 820 states have internal predecessors, (1571), 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) [2024-10-23 20:27:54,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 1571 transitions. [2024-10-23 20:27:54,098 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 1571 transitions. Word has length 810 [2024-10-23 20:27:54,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:27:54,101 INFO L471 AbstractCegarLoop]: Abstraction has 821 states and 1571 transitions. [2024-10-23 20:27:54,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 405.0) internal successors, (810), 2 states have internal predecessors, (810), 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) [2024-10-23 20:27:54,102 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1571 transitions. [2024-10-23 20:27:54,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 811 [2024-10-23 20:27:54,122 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:27:54,122 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:27:54,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-23 20:27:54,123 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:27:54,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:27:54,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1304410440, now seen corresponding path program 1 times [2024-10-23 20:27:54,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:27:54,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469133299] [2024-10-23 20:27:54,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:27:54,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:27:54,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:27:55,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:27:55,526 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:27:55,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469133299] [2024-10-23 20:27:55,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469133299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:27:55,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:27:55,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 20:27:55,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659789464] [2024-10-23 20:27:55,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:27:55,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:27:55,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:27:55,533 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:27:55,534 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:27:55,535 INFO L87 Difference]: Start difference. First operand 821 states and 1571 transitions. Second operand has 3 states, 3 states have (on average 270.0) internal successors, (810), 2 states have internal predecessors, (810), 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) [2024-10-23 20:27:58,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:27:58,769 INFO L93 Difference]: Finished difference Result 2459 states and 4710 transitions. [2024-10-23 20:27:58,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:27:58,770 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 270.0) internal successors, (810), 2 states have internal predecessors, (810), 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 810 [2024-10-23 20:27:58,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:27:58,778 INFO L225 Difference]: With dead ends: 2459 [2024-10-23 20:27:58,778 INFO L226 Difference]: Without dead ends: 1639 [2024-10-23 20:27:58,779 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 [2024-10-23 20:27:58,780 INFO L432 NwaCegarLoop]: 465 mSDtfsCounter, 212 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2081 mSolverCounterSat, 1077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 473 SdHoareTripleChecker+Invalid, 3158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1077 IncrementalHoareTripleChecker+Valid, 2081 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-10-23 20:27:58,781 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 473 Invalid, 3158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1077 Valid, 2081 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-10-23 20:27:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1639 states. [2024-10-23 20:27:58,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1639 to 1639. [2024-10-23 20:27:58,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1639 states, 1638 states have (on average 1.637973137973138) internal successors, (2683), 1638 states have internal predecessors, (2683), 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) [2024-10-23 20:27:58,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2683 transitions. [2024-10-23 20:27:58,813 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2683 transitions. Word has length 810 [2024-10-23 20:27:58,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:27:58,814 INFO L471 AbstractCegarLoop]: Abstraction has 1639 states and 2683 transitions. [2024-10-23 20:27:58,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 270.0) internal successors, (810), 2 states have internal predecessors, (810), 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) [2024-10-23 20:27:58,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2683 transitions. [2024-10-23 20:27:58,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 822 [2024-10-23 20:27:58,822 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:27:58,822 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:27:58,823 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-23 20:27:58,823 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:27:58,824 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:27:58,824 INFO L85 PathProgramCache]: Analyzing trace with hash 1268250149, now seen corresponding path program 1 times [2024-10-23 20:27:58,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:27:58,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261212387] [2024-10-23 20:27:58,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:27:58,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:27:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:27:59,406 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:27:59,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:27:59,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261212387] [2024-10-23 20:27:59,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261212387] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:27:59,408 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:27:59,408 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 20:27:59,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509801000] [2024-10-23 20:27:59,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:27:59,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:27:59,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:27:59,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:27:59,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:27:59,414 INFO L87 Difference]: Start difference. First operand 1639 states and 2683 transitions. Second operand has 3 states, 3 states have (on average 273.6666666666667) internal successors, (821), 2 states have internal predecessors, (821), 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) [2024-10-23 20:28:02,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:02,762 INFO L93 Difference]: Finished difference Result 4913 states and 8046 transitions. [2024-10-23 20:28:02,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:02,763 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 273.6666666666667) internal successors, (821), 2 states have internal predecessors, (821), 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 821 [2024-10-23 20:28:02,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:02,775 INFO L225 Difference]: With dead ends: 4913 [2024-10-23 20:28:02,775 INFO L226 Difference]: Without dead ends: 3275 [2024-10-23 20:28:02,779 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 [2024-10-23 20:28:02,782 INFO L432 NwaCegarLoop]: 645 mSDtfsCounter, 915 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2077 mSolverCounterSat, 1063 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 915 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 3140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1063 IncrementalHoareTripleChecker+Valid, 2077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:02,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [915 Valid, 652 Invalid, 3140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1063 Valid, 2077 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-10-23 20:28:02,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3275 states. [2024-10-23 20:28:02,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3275 to 3275. [2024-10-23 20:28:02,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3275 states, 3274 states have (on average 1.444105070250458) internal successors, (4728), 3274 states have internal predecessors, (4728), 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) [2024-10-23 20:28:02,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 3275 states and 4728 transitions. [2024-10-23 20:28:02,843 INFO L78 Accepts]: Start accepts. Automaton has 3275 states and 4728 transitions. Word has length 821 [2024-10-23 20:28:02,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:02,844 INFO L471 AbstractCegarLoop]: Abstraction has 3275 states and 4728 transitions. [2024-10-23 20:28:02,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 273.6666666666667) internal successors, (821), 2 states have internal predecessors, (821), 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) [2024-10-23 20:28:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 3275 states and 4728 transitions. [2024-10-23 20:28:02,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2024-10-23 20:28:02,855 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:02,856 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:02,856 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-23 20:28:02,857 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:02,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:02,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1893737738, now seen corresponding path program 1 times [2024-10-23 20:28:02,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:02,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645473536] [2024-10-23 20:28:02,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:02,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-10-23 20:28:03,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:03,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645473536] [2024-10-23 20:28:03,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645473536] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:03,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:03,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 20:28:03,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969297476] [2024-10-23 20:28:03,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:03,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:03,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:03,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:03,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:03,770 INFO L87 Difference]: Start difference. First operand 3275 states and 4728 transitions. Second operand has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 2 states have internal predecessors, (857), 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) [2024-10-23 20:28:06,598 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:06,598 INFO L93 Difference]: Finished difference Result 9821 states and 14181 transitions. [2024-10-23 20:28:06,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:06,599 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 2 states have internal predecessors, (857), 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 867 [2024-10-23 20:28:06,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:06,620 INFO L225 Difference]: With dead ends: 9821 [2024-10-23 20:28:06,620 INFO L226 Difference]: Without dead ends: 6547 [2024-10-23 20:28:06,624 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 [2024-10-23 20:28:06,625 INFO L432 NwaCegarLoop]: 302 mSDtfsCounter, 989 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2166 mSolverCounterSat, 1170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 989 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 3336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1170 IncrementalHoareTripleChecker+Valid, 2166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:06,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [989 Valid, 309 Invalid, 3336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1170 Valid, 2166 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-23 20:28:06,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6547 states. [2024-10-23 20:28:06,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6547 to 6547. [2024-10-23 20:28:06,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6547 states, 6546 states have (on average 1.3470821875954782) internal successors, (8818), 6546 states have internal predecessors, (8818), 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) [2024-10-23 20:28:06,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6547 states to 6547 states and 8818 transitions. [2024-10-23 20:28:06,755 INFO L78 Accepts]: Start accepts. Automaton has 6547 states and 8818 transitions. Word has length 867 [2024-10-23 20:28:06,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:06,755 INFO L471 AbstractCegarLoop]: Abstraction has 6547 states and 8818 transitions. [2024-10-23 20:28:06,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 285.6666666666667) internal successors, (857), 2 states have internal predecessors, (857), 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) [2024-10-23 20:28:06,756 INFO L276 IsEmpty]: Start isEmpty. Operand 6547 states and 8818 transitions. [2024-10-23 20:28:06,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 880 [2024-10-23 20:28:06,770 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:06,770 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:06,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-23 20:28:06,771 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:06,771 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:06,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1739299478, now seen corresponding path program 1 times [2024-10-23 20:28:06,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:06,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344610187] [2024-10-23 20:28:06,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:06,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:06,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:28:08,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:08,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344610187] [2024-10-23 20:28:08,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344610187] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:08,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:08,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 20:28:08,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719745780] [2024-10-23 20:28:08,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:08,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-23 20:28:08,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:08,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-23 20:28:08,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-23 20:28:08,315 INFO L87 Difference]: Start difference. First operand 6547 states and 8818 transitions. Second operand has 4 states, 4 states have (on average 219.75) internal successors, (879), 3 states have internal predecessors, (879), 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) [2024-10-23 20:28:11,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:11,285 INFO L93 Difference]: Finished difference Result 13911 states and 18507 transitions. [2024-10-23 20:28:11,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-23 20:28:11,286 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 3 states have internal predecessors, (879), 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 879 [2024-10-23 20:28:11,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:11,314 INFO L225 Difference]: With dead ends: 13911 [2024-10-23 20:28:11,314 INFO L226 Difference]: Without dead ends: 7365 [2024-10-23 20:28:11,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-23 20:28:11,324 INFO L432 NwaCegarLoop]: 757 mSDtfsCounter, 959 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 3417 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 959 SdHoareTripleChecker+Valid, 1303 SdHoareTripleChecker+Invalid, 3464 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 3417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:11,325 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [959 Valid, 1303 Invalid, 3464 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 3417 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-23 20:28:11,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7365 states. [2024-10-23 20:28:11,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7365 to 7365. [2024-10-23 20:28:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7365 states, 7364 states have (on average 1.3093427485062465) internal successors, (9642), 7364 states have internal predecessors, (9642), 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) [2024-10-23 20:28:11,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7365 states to 7365 states and 9642 transitions. [2024-10-23 20:28:11,468 INFO L78 Accepts]: Start accepts. Automaton has 7365 states and 9642 transitions. Word has length 879 [2024-10-23 20:28:11,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:11,468 INFO L471 AbstractCegarLoop]: Abstraction has 7365 states and 9642 transitions. [2024-10-23 20:28:11,472 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 219.75) internal successors, (879), 3 states have internal predecessors, (879), 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) [2024-10-23 20:28:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 7365 states and 9642 transitions. [2024-10-23 20:28:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 895 [2024-10-23 20:28:11,492 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:11,493 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:11,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-23 20:28:11,494 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:11,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:11,494 INFO L85 PathProgramCache]: Analyzing trace with hash 831065935, now seen corresponding path program 1 times [2024-10-23 20:28:11,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:11,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857280260] [2024-10-23 20:28:11,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:11,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:12,100 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-23 20:28:12,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:12,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857280260] [2024-10-23 20:28:12,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857280260] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:12,101 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:12,101 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 20:28:12,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834948337] [2024-10-23 20:28:12,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:12,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:12,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:12,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:12,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:12,105 INFO L87 Difference]: Start difference. First operand 7365 states and 9642 transitions. Second operand has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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) [2024-10-23 20:28:15,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:15,044 INFO L93 Difference]: Finished difference Result 20455 states and 27275 transitions. [2024-10-23 20:28:15,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:15,046 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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 894 [2024-10-23 20:28:15,046 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:15,104 INFO L225 Difference]: With dead ends: 20455 [2024-10-23 20:28:15,105 INFO L226 Difference]: Without dead ends: 13909 [2024-10-23 20:28:15,117 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 [2024-10-23 20:28:15,119 INFO L432 NwaCegarLoop]: 1358 mSDtfsCounter, 779 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2360 mSolverCounterSat, 973 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 779 SdHoareTripleChecker+Valid, 1365 SdHoareTripleChecker+Invalid, 3333 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 973 IncrementalHoareTripleChecker+Valid, 2360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:15,120 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [779 Valid, 1365 Invalid, 3333 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [973 Valid, 2360 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-10-23 20:28:15,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13909 states. [2024-10-23 20:28:15,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13909 to 13909. [2024-10-23 20:28:15,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13909 states, 13908 states have (on average 1.274086856485476) internal successors, (17720), 13908 states have internal predecessors, (17720), 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) [2024-10-23 20:28:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13909 states to 13909 states and 17720 transitions. [2024-10-23 20:28:15,355 INFO L78 Accepts]: Start accepts. Automaton has 13909 states and 17720 transitions. Word has length 894 [2024-10-23 20:28:15,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:15,356 INFO L471 AbstractCegarLoop]: Abstraction has 13909 states and 17720 transitions. [2024-10-23 20:28:15,356 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 298.0) internal successors, (894), 3 states have internal predecessors, (894), 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) [2024-10-23 20:28:15,356 INFO L276 IsEmpty]: Start isEmpty. Operand 13909 states and 17720 transitions. [2024-10-23 20:28:15,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 896 [2024-10-23 20:28:15,379 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:15,379 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:15,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-23 20:28:15,380 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:15,380 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:15,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1764939590, now seen corresponding path program 1 times [2024-10-23 20:28:15,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:15,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928252958] [2024-10-23 20:28:15,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:15,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:15,825 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-23 20:28:15,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:15,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928252958] [2024-10-23 20:28:15,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928252958] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:15,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:15,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 20:28:15,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741965316] [2024-10-23 20:28:15,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:15,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:15,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:15,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:15,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:15,829 INFO L87 Difference]: Start difference. First operand 13909 states and 17720 transitions. Second operand has 3 states, 3 states have (on average 294.0) internal successors, (882), 2 states have internal predecessors, (882), 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) [2024-10-23 20:28:18,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:18,409 INFO L93 Difference]: Finished difference Result 40087 states and 51509 transitions. [2024-10-23 20:28:18,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:18,410 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 2 states have internal predecessors, (882), 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 895 [2024-10-23 20:28:18,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:18,461 INFO L225 Difference]: With dead ends: 40087 [2024-10-23 20:28:18,462 INFO L226 Difference]: Without dead ends: 26997 [2024-10-23 20:28:18,481 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 [2024-10-23 20:28:18,484 INFO L432 NwaCegarLoop]: 509 mSDtfsCounter, 820 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2305 mSolverCounterSat, 978 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 820 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 3283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 978 IncrementalHoareTripleChecker+Valid, 2305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:18,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [820 Valid, 516 Invalid, 3283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [978 Valid, 2305 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-23 20:28:18,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26997 states. [2024-10-23 20:28:18,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26997 to 26997. [2024-10-23 20:28:18,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26997 states, 26996 states have (on average 1.2484071714328049) internal successors, (33702), 26996 states have internal predecessors, (33702), 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) [2024-10-23 20:28:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26997 states to 26997 states and 33702 transitions. [2024-10-23 20:28:18,891 INFO L78 Accepts]: Start accepts. Automaton has 26997 states and 33702 transitions. Word has length 895 [2024-10-23 20:28:18,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:18,892 INFO L471 AbstractCegarLoop]: Abstraction has 26997 states and 33702 transitions. [2024-10-23 20:28:18,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 2 states have internal predecessors, (882), 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) [2024-10-23 20:28:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 26997 states and 33702 transitions. [2024-10-23 20:28:18,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 903 [2024-10-23 20:28:18,928 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:18,929 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:18,929 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-23 20:28:18,929 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:18,930 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:18,930 INFO L85 PathProgramCache]: Analyzing trace with hash -25080154, now seen corresponding path program 1 times [2024-10-23 20:28:18,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:18,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417912431] [2024-10-23 20:28:18,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:18,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:19,548 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-10-23 20:28:19,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:19,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417912431] [2024-10-23 20:28:19,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417912431] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:19,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:19,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-23 20:28:19,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77201077] [2024-10-23 20:28:19,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:19,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:19,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:19,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:19,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:19,553 INFO L87 Difference]: Start difference. First operand 26997 states and 33702 transitions. Second operand has 3 states, 3 states have (on average 294.0) internal successors, (882), 2 states have internal predecessors, (882), 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) [2024-10-23 20:28:22,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:22,182 INFO L93 Difference]: Finished difference Result 77715 states and 97188 transitions. [2024-10-23 20:28:22,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:22,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 2 states have internal predecessors, (882), 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 902 [2024-10-23 20:28:22,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:22,286 INFO L225 Difference]: With dead ends: 77715 [2024-10-23 20:28:22,287 INFO L226 Difference]: Without dead ends: 51537 [2024-10-23 20:28:22,326 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 [2024-10-23 20:28:22,328 INFO L432 NwaCegarLoop]: 436 mSDtfsCounter, 846 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 2296 mSolverCounterSat, 1031 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 443 SdHoareTripleChecker+Invalid, 3327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1031 IncrementalHoareTripleChecker+Valid, 2296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:22,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 443 Invalid, 3327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1031 Valid, 2296 Invalid, 0 Unknown, 0 Unchecked, 2.4s Time] [2024-10-23 20:28:22,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51537 states. [2024-10-23 20:28:23,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51537 to 46629. [2024-10-23 20:28:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46629 states, 46628 states have (on average 1.2343012782019387) internal successors, (57553), 46628 states have internal predecessors, (57553), 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) [2024-10-23 20:28:23,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46629 states to 46629 states and 57553 transitions. [2024-10-23 20:28:23,167 INFO L78 Accepts]: Start accepts. Automaton has 46629 states and 57553 transitions. Word has length 902 [2024-10-23 20:28:23,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:23,168 INFO L471 AbstractCegarLoop]: Abstraction has 46629 states and 57553 transitions. [2024-10-23 20:28:23,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 294.0) internal successors, (882), 2 states have internal predecessors, (882), 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) [2024-10-23 20:28:23,168 INFO L276 IsEmpty]: Start isEmpty. Operand 46629 states and 57553 transitions. [2024-10-23 20:28:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 947 [2024-10-23 20:28:23,214 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:23,215 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:23,215 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-10-23 20:28:23,215 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:23,215 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:23,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1907206895, now seen corresponding path program 1 times [2024-10-23 20:28:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:23,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899795299] [2024-10-23 20:28:23,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:23,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-10-23 20:28:23,971 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:23,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899795299] [2024-10-23 20:28:23,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899795299] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:23,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:23,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 20:28:23,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15379809] [2024-10-23 20:28:23,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:23,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:23,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:23,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:23,975 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:23,975 INFO L87 Difference]: Start difference. First operand 46629 states and 57553 transitions. Second operand has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 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) [2024-10-23 20:28:27,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:27,072 INFO L93 Difference]: Finished difference Result 106345 states and 132524 transitions. [2024-10-23 20:28:27,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:27,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 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 946 [2024-10-23 20:28:27,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:27,169 INFO L225 Difference]: With dead ends: 106345 [2024-10-23 20:28:27,169 INFO L226 Difference]: Without dead ends: 60535 [2024-10-23 20:28:27,214 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 [2024-10-23 20:28:27,215 INFO L432 NwaCegarLoop]: 321 mSDtfsCounter, 230 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2251 mSolverCounterSat, 1019 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 230 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 3270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1019 IncrementalHoareTripleChecker+Valid, 2251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:27,216 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [230 Valid, 329 Invalid, 3270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1019 Valid, 2251 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2024-10-23 20:28:27,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60535 states. [2024-10-23 20:28:28,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60535 to 60535. [2024-10-23 20:28:28,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60535 states, 60534 states have (on average 1.2154491690620148) internal successors, (73576), 60534 states have internal predecessors, (73576), 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) [2024-10-23 20:28:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60535 states to 60535 states and 73576 transitions. [2024-10-23 20:28:28,203 INFO L78 Accepts]: Start accepts. Automaton has 60535 states and 73576 transitions. Word has length 946 [2024-10-23 20:28:28,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:28,205 INFO L471 AbstractCegarLoop]: Abstraction has 60535 states and 73576 transitions. [2024-10-23 20:28:28,206 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 311.0) internal successors, (933), 3 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) [2024-10-23 20:28:28,206 INFO L276 IsEmpty]: Start isEmpty. Operand 60535 states and 73576 transitions. [2024-10-23 20:28:28,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1122 [2024-10-23 20:28:28,252 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:28,252 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:28,253 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-23 20:28:28,253 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:28,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:28,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1654321482, now seen corresponding path program 1 times [2024-10-23 20:28:28,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:28,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648229803] [2024-10-23 20:28:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:28,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:29,467 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 337 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-10-23 20:28:29,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:29,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648229803] [2024-10-23 20:28:29,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648229803] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:29,468 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:29,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 20:28:29,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822217658] [2024-10-23 20:28:29,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:29,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:29,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:29,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:29,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:29,474 INFO L87 Difference]: Start difference. First operand 60535 states and 73576 transitions. Second operand has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 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) [2024-10-23 20:28:32,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:32,117 INFO L93 Difference]: Finished difference Result 121887 states and 148041 transitions. [2024-10-23 20:28:32,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:32,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 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 1121 [2024-10-23 20:28:32,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:32,201 INFO L225 Difference]: With dead ends: 121887 [2024-10-23 20:28:32,202 INFO L226 Difference]: Without dead ends: 62171 [2024-10-23 20:28:32,224 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 [2024-10-23 20:28:32,225 INFO L432 NwaCegarLoop]: 1353 mSDtfsCounter, 623 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2622 mSolverCounterSat, 507 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 623 SdHoareTripleChecker+Valid, 1361 SdHoareTripleChecker+Invalid, 3129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 507 IncrementalHoareTripleChecker+Valid, 2622 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:32,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [623 Valid, 1361 Invalid, 3129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [507 Valid, 2622 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2024-10-23 20:28:32,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62171 states. [2024-10-23 20:28:32,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62171 to 62171. [2024-10-23 20:28:33,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62171 states, 62170 states have (on average 1.1593533858774328) internal successors, (72077), 62170 states have internal predecessors, (72077), 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) [2024-10-23 20:28:33,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62171 states to 62171 states and 72077 transitions. [2024-10-23 20:28:33,250 INFO L78 Accepts]: Start accepts. Automaton has 62171 states and 72077 transitions. Word has length 1121 [2024-10-23 20:28:33,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:33,250 INFO L471 AbstractCegarLoop]: Abstraction has 62171 states and 72077 transitions. [2024-10-23 20:28:33,251 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 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) [2024-10-23 20:28:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 62171 states and 72077 transitions. [2024-10-23 20:28:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1151 [2024-10-23 20:28:33,299 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:33,300 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:33,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-23 20:28:33,301 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:33,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:33,302 INFO L85 PathProgramCache]: Analyzing trace with hash 44411377, now seen corresponding path program 1 times [2024-10-23 20:28:33,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:33,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403231352] [2024-10-23 20:28:33,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:33,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:35,388 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 338 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-10-23 20:28:35,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:35,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403231352] [2024-10-23 20:28:35,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403231352] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:35,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:35,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-23 20:28:35,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449533465] [2024-10-23 20:28:35,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:35,391 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-23 20:28:35,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:35,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-23 20:28:35,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-23 20:28:35,393 INFO L87 Difference]: Start difference. First operand 62171 states and 72077 transitions. Second operand has 5 states, 5 states have (on average 216.6) internal successors, (1083), 4 states have internal predecessors, (1083), 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) [2024-10-23 20:28:41,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:41,219 INFO L93 Difference]: Finished difference Result 151291 states and 174499 transitions. [2024-10-23 20:28:41,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-23 20:28:41,219 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 216.6) internal successors, (1083), 4 states have internal predecessors, (1083), 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 1150 [2024-10-23 20:28:41,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:41,305 INFO L225 Difference]: With dead ends: 151291 [2024-10-23 20:28:41,305 INFO L226 Difference]: Without dead ends: 89939 [2024-10-23 20:28:41,332 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 [2024-10-23 20:28:41,333 INFO L432 NwaCegarLoop]: 326 mSDtfsCounter, 2795 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 7231 mSolverCounterSat, 650 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2795 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 7881 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 650 IncrementalHoareTripleChecker+Valid, 7231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:41,333 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2795 Valid, 357 Invalid, 7881 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [650 Valid, 7231 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-10-23 20:28:41,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89939 states. [2024-10-23 20:28:42,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89939 to 80167. [2024-10-23 20:28:42,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80167 states, 80166 states have (on average 1.1322505800464038) internal successors, (90768), 80166 states have internal predecessors, (90768), 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) [2024-10-23 20:28:42,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80167 states to 80167 states and 90768 transitions. [2024-10-23 20:28:42,152 INFO L78 Accepts]: Start accepts. Automaton has 80167 states and 90768 transitions. Word has length 1150 [2024-10-23 20:28:42,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:42,152 INFO L471 AbstractCegarLoop]: Abstraction has 80167 states and 90768 transitions. [2024-10-23 20:28:42,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 216.6) internal successors, (1083), 4 states have internal predecessors, (1083), 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) [2024-10-23 20:28:42,153 INFO L276 IsEmpty]: Start isEmpty. Operand 80167 states and 90768 transitions. [2024-10-23 20:28:42,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1175 [2024-10-23 20:28:42,209 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:42,210 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:42,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-23 20:28:42,210 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:42,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:42,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1877152410, now seen corresponding path program 1 times [2024-10-23 20:28:42,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:42,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917358222] [2024-10-23 20:28:42,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:42,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:42,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:44,099 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 513 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2024-10-23 20:28:44,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:44,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917358222] [2024-10-23 20:28:44,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917358222] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:44,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:44,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 20:28:44,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211753458] [2024-10-23 20:28:44,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:44,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:44,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:44,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:44,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:44,103 INFO L87 Difference]: Start difference. First operand 80167 states and 90768 transitions. Second operand has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 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) [2024-10-23 20:28:46,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:46,443 INFO L93 Difference]: Finished difference Result 161151 states and 182383 transitions. [2024-10-23 20:28:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:46,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 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 1174 [2024-10-23 20:28:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:46,528 INFO L225 Difference]: With dead ends: 161151 [2024-10-23 20:28:46,528 INFO L226 Difference]: Without dead ends: 80985 [2024-10-23 20:28:46,566 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 [2024-10-23 20:28:46,566 INFO L432 NwaCegarLoop]: 1527 mSDtfsCounter, 778 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 1943 mSolverCounterSat, 588 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 1535 SdHoareTripleChecker+Invalid, 2531 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 588 IncrementalHoareTripleChecker+Valid, 1943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:46,567 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 1535 Invalid, 2531 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [588 Valid, 1943 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-10-23 20:28:46,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80985 states. [2024-10-23 20:28:47,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80985 to 80167. [2024-10-23 20:28:47,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80167 states, 80166 states have (on average 1.1306788414040865) internal successors, (90642), 80166 states have internal predecessors, (90642), 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) [2024-10-23 20:28:47,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80167 states to 80167 states and 90642 transitions. [2024-10-23 20:28:47,655 INFO L78 Accepts]: Start accepts. Automaton has 80167 states and 90642 transitions. Word has length 1174 [2024-10-23 20:28:47,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:47,655 INFO L471 AbstractCegarLoop]: Abstraction has 80167 states and 90642 transitions. [2024-10-23 20:28:47,655 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 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) [2024-10-23 20:28:47,656 INFO L276 IsEmpty]: Start isEmpty. Operand 80167 states and 90642 transitions. [2024-10-23 20:28:47,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1274 [2024-10-23 20:28:47,718 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:47,719 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:47,719 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-23 20:28:47,720 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:47,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:47,724 INFO L85 PathProgramCache]: Analyzing trace with hash 2143950702, now seen corresponding path program 1 times [2024-10-23 20:28:47,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:47,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766391535] [2024-10-23 20:28:47,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:47,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:48,670 INFO L134 CoverageAnalysis]: Checked inductivity of 683 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-10-23 20:28:48,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:48,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766391535] [2024-10-23 20:28:48,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766391535] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:48,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:48,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 20:28:48,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009120307] [2024-10-23 20:28:48,671 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:48,672 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:48,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:48,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:48,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:48,674 INFO L87 Difference]: Start difference. First operand 80167 states and 90642 transitions. Second operand has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 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) [2024-10-23 20:28:51,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:51,407 INFO L93 Difference]: Finished difference Result 181601 states and 206568 transitions. [2024-10-23 20:28:51,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:51,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 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 1273 [2024-10-23 20:28:51,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:51,528 INFO L225 Difference]: With dead ends: 181601 [2024-10-23 20:28:51,528 INFO L226 Difference]: Without dead ends: 101435 [2024-10-23 20:28:51,580 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 [2024-10-23 20:28:51,581 INFO L432 NwaCegarLoop]: 432 mSDtfsCounter, 767 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 2923 mSolverCounterSat, 369 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 767 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 3292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 369 IncrementalHoareTripleChecker+Valid, 2923 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2024-10-23 20:28:51,581 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [767 Valid, 440 Invalid, 3292 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [369 Valid, 2923 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2024-10-23 20:28:51,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101435 states. [2024-10-23 20:28:52,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101435 to 99799. [2024-10-23 20:28:52,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99799 states, 99798 states have (on average 1.1286598929838274) internal successors, (112638), 99798 states have internal predecessors, (112638), 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) [2024-10-23 20:28:52,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99799 states to 99799 states and 112638 transitions. [2024-10-23 20:28:52,979 INFO L78 Accepts]: Start accepts. Automaton has 99799 states and 112638 transitions. Word has length 1273 [2024-10-23 20:28:52,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-23 20:28:52,980 INFO L471 AbstractCegarLoop]: Abstraction has 99799 states and 112638 transitions. [2024-10-23 20:28:52,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 401.0) internal successors, (1203), 3 states have internal predecessors, (1203), 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) [2024-10-23 20:28:52,980 INFO L276 IsEmpty]: Start isEmpty. Operand 99799 states and 112638 transitions. [2024-10-23 20:28:53,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1378 [2024-10-23 20:28:53,064 INFO L207 NwaCegarLoop]: Found error trace [2024-10-23 20:28:53,065 INFO L215 NwaCegarLoop]: trace histogram [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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-23 20:28:53,065 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-10-23 20:28:53,065 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-10-23 20:28:53,066 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-23 20:28:53,066 INFO L85 PathProgramCache]: Analyzing trace with hash 1249098756, now seen corresponding path program 1 times [2024-10-23 20:28:53,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-23 20:28:53,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931376894] [2024-10-23 20:28:53,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-23 20:28:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-23 20:28:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-23 20:28:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1417 backedges. 1091 proven. 0 refuted. 0 times theorem prover too weak. 326 trivial. 0 not checked. [2024-10-23 20:28:54,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-23 20:28:54,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931376894] [2024-10-23 20:28:54,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931376894] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-23 20:28:54,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-23 20:28:54,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-23 20:28:54,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110100853] [2024-10-23 20:28:54,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-23 20:28:54,368 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-23 20:28:54,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-23 20:28:54,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-23 20:28:54,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-23 20:28:54,369 INFO L87 Difference]: Start difference. First operand 99799 states and 112638 transitions. Second operand has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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) [2024-10-23 20:28:57,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-23 20:28:57,051 INFO L93 Difference]: Finished difference Result 203687 states and 229666 transitions. [2024-10-23 20:28:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-23 20:28:57,052 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 375.6666666666667) internal successors, (1127), 3 states have internal predecessors, (1127), 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 1377 [2024-10-23 20:28:57,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-23 20:28:57,173 INFO L225 Difference]: With dead ends: 203687 [2024-10-23 20:28:57,174 INFO L226 Difference]: Without dead ends: 103889