/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.use.bitabs.translation true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/combinations/Problem05_label49+token_ring.10.cil-1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-18 22:35:56,651 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-18 22:35:56,714 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-12-18 22:35:56,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-18 22:35:56,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-18 22:35:56,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-18 22:35:56,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-18 22:35:56,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-18 22:35:56,750 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-18 22:35:56,750 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-18 22:35:56,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-18 22:35:56,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-18 22:35:56,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-18 22:35:56,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-18 22:35:56,751 INFO L153 SettingsManager]: * Use SBE=true [2023-12-18 22:35:56,752 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-18 22:35:56,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-18 22:35:56,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-18 22:35:56,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-18 22:35:56,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-18 22:35:56,753 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-18 22:35:56,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-18 22:35:56,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-18 22:35:56,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-18 22:35:56,759 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-18 22:35:56,759 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-18 22:35:56,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-18 22:35:56,759 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-18 22:35:56,760 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-18 22:35:56,760 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-18 22:35:56,761 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-18 22:35:56,761 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-18 22:35:56,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-18 22:35:56,761 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-18 22:35:56,761 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-18 22:35:56,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-18 22:35:56,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-12-18 22:35:56,762 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-18 22:35:56,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-18 22:35:56,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-18 22:35:56,762 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-18 22:35:56,762 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-18 22:35:56,763 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-18 22:35:56,763 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Use bitabs translation -> true [2023-12-18 22:35:56,964 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-18 22:35:56,979 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-18 22:35:56,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-18 22:35:56,981 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-18 22:35:56,981 INFO L274 PluginConnector]: CDTParser initialized [2023-12-18 22:35:56,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/combinations/Problem05_label49+token_ring.10.cil-1.c [2023-12-18 22:35:58,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-18 22:35:58,479 INFO L384 CDTParser]: Found 1 translation units. [2023-12-18 22:35:58,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label49+token_ring.10.cil-1.c [2023-12-18 22:35:58,530 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3f5508e1/8bc2cfc9b5894a8eba66861907c93549/FLAG65e2df3c1 [2023-12-18 22:35:58,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3f5508e1/8bc2cfc9b5894a8eba66861907c93549 [2023-12-18 22:35:58,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-18 22:35:58,551 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-18 22:35:58,553 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-18 22:35:58,553 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-18 22:35:58,556 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-18 22:35:58,557 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:35:58" (1/1) ... [2023-12-18 22:35:58,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e2d4248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:35:58, skipping insertion in model container [2023-12-18 22:35:58,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 10:35:58" (1/1) ... [2023-12-18 22:35:58,722 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-18 22:36:00,001 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label49+token_ring.10.cil-1.c[380593,380606] [2023-12-18 22:36:00,027 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label49+token_ring.10.cil-1.c[383339,383352] [2023-12-18 22:36:00,221 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-18 22:36:00,230 INFO L202 MainTranslator]: Completed pre-run [2023-12-18 22:36:00,828 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label49+token_ring.10.cil-1.c[380593,380606] [2023-12-18 22:36:00,832 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/combinations/Problem05_label49+token_ring.10.cil-1.c[383339,383352] [2023-12-18 22:36:00,845 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-18 22:36:00,888 INFO L206 MainTranslator]: Completed translation [2023-12-18 22:36:00,888 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00 WrapperNode [2023-12-18 22:36:00,888 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-18 22:36:00,890 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-18 22:36:00,890 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-18 22:36:00,890 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-18 22:36:00,895 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:00,980 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,364 INFO L138 Inliner]: procedures = 64, calls = 72, calls flagged for inlining = 41, calls inlined = 41, statements flattened = 13119 [2023-12-18 22:36:01,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-18 22:36:01,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-18 22:36:01,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-18 22:36:01,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-18 22:36:01,374 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,517 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]. [2023-12-18 22:36:01,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,517 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,772 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,829 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,848 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,892 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-18 22:36:01,893 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-18 22:36:01,894 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-18 22:36:01,894 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-18 22:36:01,894 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (1/1) ... [2023-12-18 22:36:01,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-18 22:36:01,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-18 22:36:01,929 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) [2023-12-18 22:36:01,974 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 [2023-12-18 22:36:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-18 22:36:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2023-12-18 22:36:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2023-12-18 22:36:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2023-12-18 22:36:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2023-12-18 22:36:01,987 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2023-12-18 22:36:01,987 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2023-12-18 22:36:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure error [2023-12-18 22:36:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2023-12-18 22:36:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2023-12-18 22:36:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2023-12-18 22:36:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2023-12-18 22:36:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2023-12-18 22:36:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2023-12-18 22:36:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2023-12-18 22:36:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-12-18 22:36:01,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-18 22:36:01,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-18 22:36:02,158 INFO L241 CfgBuilder]: Building ICFG [2023-12-18 22:36:02,160 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-18 22:36:07,706 INFO L282 CfgBuilder]: Performing block encoding [2023-12-18 22:36:07,769 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-18 22:36:07,769 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-18 22:36:07,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:36:07 BoogieIcfgContainer [2023-12-18 22:36:07,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-18 22:36:07,772 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-18 22:36:07,772 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-18 22:36:07,774 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-18 22:36:07,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 10:35:58" (1/3) ... [2023-12-18 22:36:07,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256ca345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:36:07, skipping insertion in model container [2023-12-18 22:36:07,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 10:36:00" (2/3) ... [2023-12-18 22:36:07,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@256ca345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 10:36:07, skipping insertion in model container [2023-12-18 22:36:07,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 10:36:07" (3/3) ... [2023-12-18 22:36:07,777 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem05_label49+token_ring.10.cil-1.c [2023-12-18 22:36:07,789 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-18 22:36:07,789 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-12-18 22:36:07,849 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-18 22:36:07,853 INFO L357 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, mHoare=true, 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;@66edab74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-18 22:36:07,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2023-12-18 22:36:07,864 INFO L276 IsEmpty]: Start isEmpty. Operand has 2433 states, 2397 states have (on average 1.8777638715060492) internal successors, (4501), 2402 states have internal predecessors, (4501), 26 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2023-12-18 22:36:07,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:07,877 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:07,877 INFO L195 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] [2023-12-18 22:36:07,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:07,882 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:07,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1699658596, now seen corresponding path program 1 times [2023-12-18 22:36:07,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:07,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349493544] [2023-12-18 22:36:07,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:07,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:08,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:08,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:08,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:08,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:08,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:08,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:08,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:08,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349493544] [2023-12-18 22:36:08,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [349493544] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:08,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:08,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-18 22:36:08,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041430942] [2023-12-18 22:36:08,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:08,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-18 22:36:08,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:08,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-18 22:36:08,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-18 22:36:08,284 INFO L87 Difference]: Start difference. First operand has 2433 states, 2397 states have (on average 1.8777638715060492) internal successors, (4501), 2402 states have internal predecessors, (4501), 26 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 5 states, 5 states have (on average 26.2) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:09,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:09,871 INFO L93 Difference]: Finished difference Result 4967 states and 9286 transitions. [2023-12-18 22:36:09,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-18 22:36:09,873 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:09,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:09,892 INFO L225 Difference]: With dead ends: 4967 [2023-12-18 22:36:09,892 INFO L226 Difference]: Without dead ends: 2538 [2023-12-18 22:36:09,899 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-18 22:36:09,901 INFO L413 NwaCegarLoop]: 4230 mSDtfsCounter, 851 mSDsluCounter, 12178 mSDsCounter, 0 mSdLazyCounter, 912 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 873 SdHoareTripleChecker+Valid, 16408 SdHoareTripleChecker+Invalid, 968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 912 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:09,902 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [873 Valid, 16408 Invalid, 968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [56 Valid, 912 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-18 22:36:09,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2538 states. [2023-12-18 22:36:09,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2538 to 2428. [2023-12-18 22:36:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2428 states, 2394 states have (on average 1.840016708437761) internal successors, (4405), 2397 states have internal predecessors, (4405), 26 states have call successors, (26), 7 states have call predecessors, (26), 6 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-12-18 22:36:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2428 states to 2428 states and 4455 transitions. [2023-12-18 22:36:09,996 INFO L78 Accepts]: Start accepts. Automaton has 2428 states and 4455 transitions. Word has length 142 [2023-12-18 22:36:09,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:09,997 INFO L495 AbstractCegarLoop]: Abstraction has 2428 states and 4455 transitions. [2023-12-18 22:36:09,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.2) internal successors, (131), 3 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:09,997 INFO L276 IsEmpty]: Start isEmpty. Operand 2428 states and 4455 transitions. [2023-12-18 22:36:10,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:10,000 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:10,000 INFO L195 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] [2023-12-18 22:36:10,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-18 22:36:10,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:10,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:10,001 INFO L85 PathProgramCache]: Analyzing trace with hash -1154786022, now seen corresponding path program 1 times [2023-12-18 22:36:10,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:10,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929586334] [2023-12-18 22:36:10,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:10,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:10,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:10,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:10,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:10,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:10,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:10,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:10,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929586334] [2023-12-18 22:36:10,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929586334] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:10,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:10,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:10,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448477073] [2023-12-18 22:36:10,351 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:10,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:10,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:10,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:10,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:10,353 INFO L87 Difference]: Start difference. First operand 2428 states and 4455 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:13,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:13,461 INFO L93 Difference]: Finished difference Result 3266 states and 5862 transitions. [2023-12-18 22:36:13,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-18 22:36:13,461 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:13,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:13,472 INFO L225 Difference]: With dead ends: 3266 [2023-12-18 22:36:13,472 INFO L226 Difference]: Without dead ends: 2975 [2023-12-18 22:36:13,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-18 22:36:13,475 INFO L413 NwaCegarLoop]: 4383 mSDtfsCounter, 5177 mSDsluCounter, 17236 mSDsCounter, 0 mSdLazyCounter, 3307 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5194 SdHoareTripleChecker+Valid, 21619 SdHoareTripleChecker+Invalid, 3373 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 3307 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:13,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5194 Valid, 21619 Invalid, 3373 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [66 Valid, 3307 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-18 22:36:13,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2975 states. [2023-12-18 22:36:13,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2975 to 2736. [2023-12-18 22:36:13,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2736 states, 2673 states have (on average 1.8204264870931537) internal successors, (4866), 2678 states have internal predecessors, (4866), 47 states have call successors, (47), 13 states have call predecessors, (47), 14 states have return successors, (52), 46 states have call predecessors, (52), 45 states have call successors, (52) [2023-12-18 22:36:13,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2736 states and 4965 transitions. [2023-12-18 22:36:13,534 INFO L78 Accepts]: Start accepts. Automaton has 2736 states and 4965 transitions. Word has length 142 [2023-12-18 22:36:13,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:13,535 INFO L495 AbstractCegarLoop]: Abstraction has 2736 states and 4965 transitions. [2023-12-18 22:36:13,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:13,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2736 states and 4965 transitions. [2023-12-18 22:36:13,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:13,537 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:13,537 INFO L195 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] [2023-12-18 22:36:13,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-18 22:36:13,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:13,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:13,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1089772376, now seen corresponding path program 1 times [2023-12-18 22:36:13,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:13,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149831264] [2023-12-18 22:36:13,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:13,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:13,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:13,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:13,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:13,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:13,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:13,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:13,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:13,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149831264] [2023-12-18 22:36:13,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149831264] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:13,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:13,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:13,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742571037] [2023-12-18 22:36:13,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:13,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:13,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:13,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:13,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:13,728 INFO L87 Difference]: Start difference. First operand 2736 states and 4965 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:16,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:16,637 INFO L93 Difference]: Finished difference Result 4324 states and 7612 transitions. [2023-12-18 22:36:16,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-18 22:36:16,638 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:16,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:16,651 INFO L225 Difference]: With dead ends: 4324 [2023-12-18 22:36:16,651 INFO L226 Difference]: Without dead ends: 3727 [2023-12-18 22:36:16,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-18 22:36:16,656 INFO L413 NwaCegarLoop]: 4332 mSDtfsCounter, 5218 mSDsluCounter, 17172 mSDsCounter, 0 mSdLazyCounter, 2999 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5235 SdHoareTripleChecker+Valid, 21504 SdHoareTripleChecker+Invalid, 3073 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2999 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:16,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5235 Valid, 21504 Invalid, 3073 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [74 Valid, 2999 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-18 22:36:16,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3727 states. [2023-12-18 22:36:16,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3727 to 3300. [2023-12-18 22:36:16,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3185 states have (on average 1.7886970172684458) internal successors, (5697), 3192 states have internal predecessors, (5697), 85 states have call successors, (85), 25 states have call predecessors, (85), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-18 22:36:16,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 5882 transitions. [2023-12-18 22:36:16,760 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 5882 transitions. Word has length 142 [2023-12-18 22:36:16,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:16,760 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 5882 transitions. [2023-12-18 22:36:16,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:16,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 5882 transitions. [2023-12-18 22:36:16,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:16,763 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:16,763 INFO L195 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] [2023-12-18 22:36:16,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-18 22:36:16,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:16,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:16,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1577819482, now seen corresponding path program 1 times [2023-12-18 22:36:16,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:16,764 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925757127] [2023-12-18 22:36:16,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:16,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:16,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:16,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:16,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:16,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:16,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:17,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:17,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:17,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:17,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925757127] [2023-12-18 22:36:17,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925757127] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:17,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:17,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:17,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325850874] [2023-12-18 22:36:17,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:17,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:17,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:17,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:17,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:17,006 INFO L87 Difference]: Start difference. First operand 3300 states and 5882 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:18,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:18,586 INFO L93 Difference]: Finished difference Result 4901 states and 8568 transitions. [2023-12-18 22:36:18,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-18 22:36:18,586 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:18,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:18,599 INFO L225 Difference]: With dead ends: 4901 [2023-12-18 22:36:18,600 INFO L226 Difference]: Without dead ends: 3738 [2023-12-18 22:36:18,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-18 22:36:18,605 INFO L413 NwaCegarLoop]: 4186 mSDtfsCounter, 4885 mSDsluCounter, 16532 mSDsCounter, 0 mSdLazyCounter, 1640 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4903 SdHoareTripleChecker+Valid, 20718 SdHoareTripleChecker+Invalid, 1705 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1640 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:18,606 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4903 Valid, 20718 Invalid, 1705 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1640 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-12-18 22:36:18,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3738 states. [2023-12-18 22:36:18,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3738 to 3300. [2023-12-18 22:36:18,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3185 states have (on average 1.78712715855573) internal successors, (5692), 3192 states have internal predecessors, (5692), 85 states have call successors, (85), 25 states have call predecessors, (85), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-18 22:36:18,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 5877 transitions. [2023-12-18 22:36:18,708 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 5877 transitions. Word has length 142 [2023-12-18 22:36:18,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:18,709 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 5877 transitions. [2023-12-18 22:36:18,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:18,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 5877 transitions. [2023-12-18 22:36:18,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:18,711 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:18,711 INFO L195 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] [2023-12-18 22:36:18,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-18 22:36:18,711 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:18,711 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:18,712 INFO L85 PathProgramCache]: Analyzing trace with hash 485184280, now seen corresponding path program 1 times [2023-12-18 22:36:18,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:18,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267707059] [2023-12-18 22:36:18,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:18,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:18,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:18,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:18,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:18,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:18,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:18,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:18,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:18,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:18,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:18,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:18,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:18,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267707059] [2023-12-18 22:36:18,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267707059] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:18,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:18,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:18,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436379262] [2023-12-18 22:36:18,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:18,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:18,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:18,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:18,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:18,881 INFO L87 Difference]: Start difference. First operand 3300 states and 5877 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:20,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:20,320 INFO L93 Difference]: Finished difference Result 4897 states and 8547 transitions. [2023-12-18 22:36:20,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-18 22:36:20,321 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:20,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:20,333 INFO L225 Difference]: With dead ends: 4897 [2023-12-18 22:36:20,334 INFO L226 Difference]: Without dead ends: 3734 [2023-12-18 22:36:20,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-18 22:36:20,339 INFO L413 NwaCegarLoop]: 4186 mSDtfsCounter, 4883 mSDsluCounter, 16532 mSDsCounter, 0 mSdLazyCounter, 1624 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4901 SdHoareTripleChecker+Valid, 20718 SdHoareTripleChecker+Invalid, 1689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:20,340 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4901 Valid, 20718 Invalid, 1689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1624 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-18 22:36:20,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3734 states. [2023-12-18 22:36:20,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3734 to 3300. [2023-12-18 22:36:20,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3185 states have (on average 1.785557299843014) internal successors, (5687), 3192 states have internal predecessors, (5687), 85 states have call successors, (85), 25 states have call predecessors, (85), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-18 22:36:20,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 5872 transitions. [2023-12-18 22:36:20,491 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 5872 transitions. Word has length 142 [2023-12-18 22:36:20,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:20,492 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 5872 transitions. [2023-12-18 22:36:20,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:20,492 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 5872 transitions. [2023-12-18 22:36:20,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:20,494 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:20,494 INFO L195 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] [2023-12-18 22:36:20,494 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-12-18 22:36:20,495 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:20,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:20,495 INFO L85 PathProgramCache]: Analyzing trace with hash -796988006, now seen corresponding path program 1 times [2023-12-18 22:36:20,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:20,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090746296] [2023-12-18 22:36:20,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:20,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:20,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:20,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:20,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:20,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:20,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:20,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090746296] [2023-12-18 22:36:20,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090746296] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:20,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:20,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:20,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7250183] [2023-12-18 22:36:20,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:20,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:20,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:20,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:20,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:20,692 INFO L87 Difference]: Start difference. First operand 3300 states and 5872 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:21,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:21,929 INFO L93 Difference]: Finished difference Result 4892 states and 8524 transitions. [2023-12-18 22:36:21,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-18 22:36:21,930 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:21,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:21,941 INFO L225 Difference]: With dead ends: 4892 [2023-12-18 22:36:21,941 INFO L226 Difference]: Without dead ends: 3729 [2023-12-18 22:36:21,945 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-18 22:36:21,946 INFO L413 NwaCegarLoop]: 4186 mSDtfsCounter, 5011 mSDsluCounter, 12425 mSDsCounter, 0 mSdLazyCounter, 1451 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5029 SdHoareTripleChecker+Valid, 16611 SdHoareTripleChecker+Invalid, 1542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1451 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:21,946 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5029 Valid, 16611 Invalid, 1542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1451 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-18 22:36:21,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3729 states. [2023-12-18 22:36:22,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3729 to 3300. [2023-12-18 22:36:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3300 states, 3185 states have (on average 1.7839874411302983) internal successors, (5682), 3192 states have internal predecessors, (5682), 85 states have call successors, (85), 25 states have call predecessors, (85), 28 states have return successors, (100), 86 states have call predecessors, (100), 83 states have call successors, (100) [2023-12-18 22:36:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3300 states to 3300 states and 5867 transitions. [2023-12-18 22:36:22,024 INFO L78 Accepts]: Start accepts. Automaton has 3300 states and 5867 transitions. Word has length 142 [2023-12-18 22:36:22,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:22,024 INFO L495 AbstractCegarLoop]: Abstraction has 3300 states and 5867 transitions. [2023-12-18 22:36:22,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3300 states and 5867 transitions. [2023-12-18 22:36:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:22,026 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:22,026 INFO L195 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] [2023-12-18 22:36:22,026 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-18 22:36:22,026 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:22,027 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:22,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1655503576, now seen corresponding path program 1 times [2023-12-18 22:36:22,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:22,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679157497] [2023-12-18 22:36:22,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:22,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:22,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:22,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:22,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:22,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:22,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:22,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:22,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:22,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:22,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:22,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:22,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:22,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679157497] [2023-12-18 22:36:22,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679157497] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:22,228 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:22,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:22,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153812108] [2023-12-18 22:36:22,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:22,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:22,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:22,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:22,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:22,229 INFO L87 Difference]: Start difference. First operand 3300 states and 5867 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:25,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:25,195 INFO L93 Difference]: Finished difference Result 6373 states and 10927 transitions. [2023-12-18 22:36:25,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-18 22:36:25,201 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:25,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:25,227 INFO L225 Difference]: With dead ends: 6373 [2023-12-18 22:36:25,227 INFO L226 Difference]: Without dead ends: 5212 [2023-12-18 22:36:25,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-18 22:36:25,232 INFO L413 NwaCegarLoop]: 4379 mSDtfsCounter, 5168 mSDsluCounter, 17236 mSDsCounter, 0 mSdLazyCounter, 3208 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5185 SdHoareTripleChecker+Valid, 21615 SdHoareTripleChecker+Invalid, 3276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 3208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:25,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5185 Valid, 21615 Invalid, 3276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 3208 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-18 22:36:25,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2023-12-18 22:36:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 4439. [2023-12-18 22:36:25,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4439 states, 4220 states have (on average 1.740047393364929) internal successors, (7343), 4231 states have internal predecessors, (7343), 161 states have call successors, (161), 49 states have call predecessors, (161), 56 states have return successors, (202), 166 states have call predecessors, (202), 159 states have call successors, (202) [2023-12-18 22:36:25,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 4439 states and 7706 transitions. [2023-12-18 22:36:25,338 INFO L78 Accepts]: Start accepts. Automaton has 4439 states and 7706 transitions. Word has length 142 [2023-12-18 22:36:25,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:25,338 INFO L495 AbstractCegarLoop]: Abstraction has 4439 states and 7706 transitions. [2023-12-18 22:36:25,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:25,339 INFO L276 IsEmpty]: Start isEmpty. Operand 4439 states and 7706 transitions. [2023-12-18 22:36:25,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:25,341 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:25,341 INFO L195 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] [2023-12-18 22:36:25,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-18 22:36:25,342 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:25,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:25,342 INFO L85 PathProgramCache]: Analyzing trace with hash -66499110, now seen corresponding path program 1 times [2023-12-18 22:36:25,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:25,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576552389] [2023-12-18 22:36:25,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:25,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:25,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:25,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:25,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:25,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:25,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:25,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:25,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576552389] [2023-12-18 22:36:25,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576552389] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:25,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:25,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:25,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292496574] [2023-12-18 22:36:25,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:25,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:25,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:25,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:25,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:25,490 INFO L87 Difference]: Start difference. First operand 4439 states and 7706 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:26,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:26,618 INFO L93 Difference]: Finished difference Result 7548 states and 12863 transitions. [2023-12-18 22:36:26,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-18 22:36:26,618 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:26,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:26,629 INFO L225 Difference]: With dead ends: 7548 [2023-12-18 22:36:26,630 INFO L226 Difference]: Without dead ends: 5246 [2023-12-18 22:36:26,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2023-12-18 22:36:26,636 INFO L413 NwaCegarLoop]: 4186 mSDtfsCounter, 5016 mSDsluCounter, 12425 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5034 SdHoareTripleChecker+Valid, 16611 SdHoareTripleChecker+Invalid, 1515 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:26,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5034 Valid, 16611 Invalid, 1515 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-12-18 22:36:26,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5246 states. [2023-12-18 22:36:26,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5246 to 4439. [2023-12-18 22:36:26,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4439 states, 4220 states have (on average 1.7379146919431279) internal successors, (7334), 4231 states have internal predecessors, (7334), 161 states have call successors, (161), 49 states have call predecessors, (161), 56 states have return successors, (202), 166 states have call predecessors, (202), 159 states have call successors, (202) [2023-12-18 22:36:26,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4439 states to 4439 states and 7697 transitions. [2023-12-18 22:36:26,741 INFO L78 Accepts]: Start accepts. Automaton has 4439 states and 7697 transitions. Word has length 142 [2023-12-18 22:36:26,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:26,743 INFO L495 AbstractCegarLoop]: Abstraction has 4439 states and 7697 transitions. [2023-12-18 22:36:26,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:26,743 INFO L276 IsEmpty]: Start isEmpty. Operand 4439 states and 7697 transitions. [2023-12-18 22:36:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:26,745 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:26,745 INFO L195 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] [2023-12-18 22:36:26,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-18 22:36:26,746 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:26,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:26,746 INFO L85 PathProgramCache]: Analyzing trace with hash -399142248, now seen corresponding path program 1 times [2023-12-18 22:36:26,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:26,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162068920] [2023-12-18 22:36:26,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:26,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:26,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:26,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:26,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:26,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:26,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:26,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:26,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:26,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:26,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:26,923 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:26,923 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162068920] [2023-12-18 22:36:26,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162068920] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:26,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:26,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:26,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222371132] [2023-12-18 22:36:26,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:26,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:26,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:26,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:26,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:26,925 INFO L87 Difference]: Start difference. First operand 4439 states and 7697 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:29,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:29,865 INFO L93 Difference]: Finished difference Result 10480 states and 17612 transitions. [2023-12-18 22:36:29,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-18 22:36:29,866 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:29,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:29,886 INFO L225 Difference]: With dead ends: 10480 [2023-12-18 22:36:29,887 INFO L226 Difference]: Without dead ends: 8180 [2023-12-18 22:36:29,895 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-18 22:36:29,896 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 5200 mSDsluCounter, 17236 mSDsCounter, 0 mSdLazyCounter, 3093 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5217 SdHoareTripleChecker+Valid, 21616 SdHoareTripleChecker+Invalid, 3161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 3093 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:29,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5217 Valid, 21616 Invalid, 3161 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [68 Valid, 3093 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-12-18 22:36:29,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8180 states. [2023-12-18 22:36:30,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8180 to 6739. [2023-12-18 22:36:30,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6739 states, 6312 states have (on average 1.692173637515843) internal successors, (10681), 6331 states have internal predecessors, (10681), 313 states have call successors, (313), 97 states have call predecessors, (313), 112 states have return successors, (424), 326 states have call predecessors, (424), 311 states have call successors, (424) [2023-12-18 22:36:30,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6739 states to 6739 states and 11418 transitions. [2023-12-18 22:36:30,141 INFO L78 Accepts]: Start accepts. Automaton has 6739 states and 11418 transitions. Word has length 142 [2023-12-18 22:36:30,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:30,141 INFO L495 AbstractCegarLoop]: Abstraction has 6739 states and 11418 transitions. [2023-12-18 22:36:30,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 6739 states and 11418 transitions. [2023-12-18 22:36:30,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:30,145 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:30,145 INFO L195 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] [2023-12-18 22:36:30,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-18 22:36:30,145 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:30,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:30,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1602744022, now seen corresponding path program 1 times [2023-12-18 22:36:30,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:30,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191367349] [2023-12-18 22:36:30,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:30,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:30,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:30,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:30,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:30,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:30,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:30,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:30,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:30,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:30,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:30,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:30,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:30,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191367349] [2023-12-18 22:36:30,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191367349] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:30,306 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:30,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:30,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201464645] [2023-12-18 22:36:30,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:30,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:30,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:30,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:30,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:30,308 INFO L87 Difference]: Start difference. First operand 6739 states and 11418 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:33,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:33,008 INFO L93 Difference]: Finished difference Result 18724 states and 31133 transitions. [2023-12-18 22:36:33,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-12-18 22:36:33,010 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:33,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:33,050 INFO L225 Difference]: With dead ends: 18724 [2023-12-18 22:36:33,051 INFO L226 Difference]: Without dead ends: 14124 [2023-12-18 22:36:33,067 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2023-12-18 22:36:33,068 INFO L413 NwaCegarLoop]: 4332 mSDtfsCounter, 5226 mSDsluCounter, 17172 mSDsCounter, 0 mSdLazyCounter, 2837 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5243 SdHoareTripleChecker+Valid, 21504 SdHoareTripleChecker+Invalid, 2911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 2837 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:33,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5243 Valid, 21504 Invalid, 2911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 2837 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-12-18 22:36:33,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14124 states. [2023-12-18 22:36:33,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14124 to 11355. [2023-12-18 22:36:33,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11355 states, 10512 states have (on average 1.65515601217656) internal successors, (17399), 10547 states have internal predecessors, (17399), 617 states have call successors, (617), 193 states have call predecessors, (617), 224 states have return successors, (922), 646 states have call predecessors, (922), 615 states have call successors, (922) [2023-12-18 22:36:33,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11355 states to 11355 states and 18938 transitions. [2023-12-18 22:36:33,407 INFO L78 Accepts]: Start accepts. Automaton has 11355 states and 18938 transitions. Word has length 142 [2023-12-18 22:36:33,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:33,408 INFO L495 AbstractCegarLoop]: Abstraction has 11355 states and 18938 transitions. [2023-12-18 22:36:33,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:33,408 INFO L276 IsEmpty]: Start isEmpty. Operand 11355 states and 18938 transitions. [2023-12-18 22:36:33,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:33,415 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:33,415 INFO L195 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] [2023-12-18 22:36:33,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-18 22:36:33,415 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:33,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:33,416 INFO L85 PathProgramCache]: Analyzing trace with hash -965078312, now seen corresponding path program 1 times [2023-12-18 22:36:33,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:33,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648969632] [2023-12-18 22:36:33,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:33,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:33,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:33,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:33,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:33,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:33,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:33,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:33,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:33,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648969632] [2023-12-18 22:36:33,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648969632] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:33,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:33,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:33,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803716751] [2023-12-18 22:36:33,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:33,695 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:33,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:33,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:33,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:33,695 INFO L87 Difference]: Start difference. First operand 11355 states and 18938 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:36,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:36,862 INFO L93 Difference]: Finished difference Result 39308 states and 64993 transitions. [2023-12-18 22:36:36,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-18 22:36:36,862 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:36,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:36,955 INFO L225 Difference]: With dead ends: 39308 [2023-12-18 22:36:36,955 INFO L226 Difference]: Without dead ends: 30092 [2023-12-18 22:36:36,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-18 22:36:36,995 INFO L413 NwaCegarLoop]: 4378 mSDtfsCounter, 5566 mSDsluCounter, 17231 mSDsCounter, 0 mSdLazyCounter, 3057 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5594 SdHoareTripleChecker+Valid, 21609 SdHoareTripleChecker+Invalid, 3128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 3057 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:36,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5594 Valid, 21609 Invalid, 3128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 3057 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-18 22:36:37,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30092 states. [2023-12-18 22:36:37,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30092 to 20555. [2023-12-18 22:36:37,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20555 states, 18912 states have (on average 1.6312923011844331) internal successors, (30851), 18979 states have internal predecessors, (30851), 1193 states have call successors, (1193), 385 states have call predecessors, (1193), 448 states have return successors, (2048), 1254 states have call predecessors, (2048), 1191 states have call successors, (2048) [2023-12-18 22:36:37,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20555 states to 20555 states and 34092 transitions. [2023-12-18 22:36:37,819 INFO L78 Accepts]: Start accepts. Automaton has 20555 states and 34092 transitions. Word has length 142 [2023-12-18 22:36:37,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:37,820 INFO L495 AbstractCegarLoop]: Abstraction has 20555 states and 34092 transitions. [2023-12-18 22:36:37,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:37,820 INFO L276 IsEmpty]: Start isEmpty. Operand 20555 states and 34092 transitions. [2023-12-18 22:36:37,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:37,831 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:37,831 INFO L195 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] [2023-12-18 22:36:37,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-12-18 22:36:37,832 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:37,832 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:37,832 INFO L85 PathProgramCache]: Analyzing trace with hash -493721962, now seen corresponding path program 1 times [2023-12-18 22:36:37,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:37,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1228018936] [2023-12-18 22:36:37,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:37,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:37,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:37,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:37,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:38,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:38,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:38,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:38,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1228018936] [2023-12-18 22:36:38,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1228018936] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:38,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:38,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:38,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869609175] [2023-12-18 22:36:38,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:38,007 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:38,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:38,007 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:38,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:38,007 INFO L87 Difference]: Start difference. First operand 20555 states and 34092 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:42,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:42,162 INFO L93 Difference]: Finished difference Result 75484 states and 125245 transitions. [2023-12-18 22:36:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-18 22:36:42,162 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:42,557 INFO L225 Difference]: With dead ends: 75484 [2023-12-18 22:36:42,557 INFO L226 Difference]: Without dead ends: 57068 [2023-12-18 22:36:42,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-18 22:36:42,693 INFO L413 NwaCegarLoop]: 4377 mSDtfsCounter, 5285 mSDsluCounter, 17228 mSDsCounter, 0 mSdLazyCounter, 3608 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5301 SdHoareTripleChecker+Valid, 21605 SdHoareTripleChecker+Invalid, 3678 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:42,693 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5301 Valid, 21605 Invalid, 3678 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 3608 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-18 22:36:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57068 states. [2023-12-18 22:36:44,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57068 to 38315. [2023-12-18 22:36:44,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38315 states, 35104 states have (on average 1.614260483135825) internal successors, (56667), 35235 states have internal predecessors, (56667), 2313 states have call successors, (2313), 769 states have call predecessors, (2313), 896 states have return successors, (4754), 2438 states have call predecessors, (4754), 2311 states have call successors, (4754) [2023-12-18 22:36:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38315 states to 38315 states and 63734 transitions. [2023-12-18 22:36:44,597 INFO L78 Accepts]: Start accepts. Automaton has 38315 states and 63734 transitions. Word has length 142 [2023-12-18 22:36:44,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:44,598 INFO L495 AbstractCegarLoop]: Abstraction has 38315 states and 63734 transitions. [2023-12-18 22:36:44,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:44,599 INFO L276 IsEmpty]: Start isEmpty. Operand 38315 states and 63734 transitions. [2023-12-18 22:36:44,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:44,616 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:44,616 INFO L195 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] [2023-12-18 22:36:44,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-12-18 22:36:44,617 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:44,617 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:44,617 INFO L85 PathProgramCache]: Analyzing trace with hash -2141084904, now seen corresponding path program 1 times [2023-12-18 22:36:44,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:44,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298523892] [2023-12-18 22:36:44,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:44,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:44,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:44,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:44,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:44,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:44,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:44,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298523892] [2023-12-18 22:36:44,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1298523892] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:44,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:44,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:44,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837508912] [2023-12-18 22:36:44,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:44,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:44,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:44,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:44,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:44,774 INFO L87 Difference]: Start difference. First operand 38315 states and 63734 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:49,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:36:49,520 INFO L93 Difference]: Finished difference Result 145020 states and 242573 transitions. [2023-12-18 22:36:49,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-18 22:36:49,521 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:36:49,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:36:50,029 INFO L225 Difference]: With dead ends: 145020 [2023-12-18 22:36:50,029 INFO L226 Difference]: Without dead ends: 108844 [2023-12-18 22:36:50,118 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-18 22:36:50,119 INFO L413 NwaCegarLoop]: 4378 mSDtfsCounter, 5498 mSDsluCounter, 17231 mSDsCounter, 0 mSdLazyCounter, 3031 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5526 SdHoareTripleChecker+Valid, 21609 SdHoareTripleChecker+Invalid, 3102 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 3031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2023-12-18 22:36:50,119 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5526 Valid, 21609 Invalid, 3102 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 3031 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2023-12-18 22:36:50,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108844 states. [2023-12-18 22:36:53,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108844 to 74475. [2023-12-18 22:36:53,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74475 states, 68192 states have (on average 1.606918700140779) internal successors, (109579), 68451 states have internal predecessors, (109579), 4489 states have call successors, (4489), 1537 states have call predecessors, (4489), 1792 states have return successors, (11560), 4742 states have call predecessors, (11560), 4487 states have call successors, (11560) [2023-12-18 22:36:53,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74475 states to 74475 states and 125628 transitions. [2023-12-18 22:36:53,425 INFO L78 Accepts]: Start accepts. Automaton has 74475 states and 125628 transitions. Word has length 142 [2023-12-18 22:36:53,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:36:53,425 INFO L495 AbstractCegarLoop]: Abstraction has 74475 states and 125628 transitions. [2023-12-18 22:36:53,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:36:53,425 INFO L276 IsEmpty]: Start isEmpty. Operand 74475 states and 125628 transitions. [2023-12-18 22:36:53,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:36:53,459 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:36:53,459 INFO L195 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] [2023-12-18 22:36:53,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-12-18 22:36:53,459 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:36:53,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:36:53,460 INFO L85 PathProgramCache]: Analyzing trace with hash 22531670, now seen corresponding path program 1 times [2023-12-18 22:36:53,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:36:53,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676529744] [2023-12-18 22:36:53,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:36:53,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:36:53,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:53,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:36:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:53,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:36:53,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:53,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:36:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:53,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:36:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:53,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:36:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:36:53,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:36:53,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:36:53,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676529744] [2023-12-18 22:36:53,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676529744] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:36:53,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:36:53,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:36:53,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015865658] [2023-12-18 22:36:53,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:36:53,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:36:53,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:36:53,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:36:53,604 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:36:53,604 INFO L87 Difference]: Start difference. First operand 74475 states and 125628 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:37:01,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:37:01,469 INFO L93 Difference]: Finished difference Result 283964 states and 483061 transitions. [2023-12-18 22:37:01,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-18 22:37:01,469 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:37:01,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:37:02,460 INFO L225 Difference]: With dead ends: 283964 [2023-12-18 22:37:02,460 INFO L226 Difference]: Without dead ends: 211628 [2023-12-18 22:37:02,634 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-18 22:37:02,634 INFO L413 NwaCegarLoop]: 4377 mSDtfsCounter, 5464 mSDsluCounter, 17231 mSDsCounter, 0 mSdLazyCounter, 3013 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5492 SdHoareTripleChecker+Valid, 21608 SdHoareTripleChecker+Invalid, 3084 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 3013 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-18 22:37:02,636 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5492 Valid, 21608 Invalid, 3084 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 3013 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-18 22:37:02,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211628 states. [2023-12-18 22:37:08,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211628 to 146795. [2023-12-18 22:37:08,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146795 states, 134496 states have (on average 1.6034603259576492) internal successors, (215659), 135011 states have internal predecessors, (215659), 8713 states have call successors, (8713), 3073 states have call predecessors, (8713), 3584 states have return successors, (29418), 9222 states have call predecessors, (29418), 8711 states have call successors, (29418) [2023-12-18 22:37:09,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146795 states to 146795 states and 253790 transitions. [2023-12-18 22:37:09,668 INFO L78 Accepts]: Start accepts. Automaton has 146795 states and 253790 transitions. Word has length 142 [2023-12-18 22:37:09,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:37:09,668 INFO L495 AbstractCegarLoop]: Abstraction has 146795 states and 253790 transitions. [2023-12-18 22:37:09,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:37:09,668 INFO L276 IsEmpty]: Start isEmpty. Operand 146795 states and 253790 transitions. [2023-12-18 22:37:09,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:37:09,806 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:37:09,806 INFO L195 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] [2023-12-18 22:37:09,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-12-18 22:37:09,807 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:37:09,807 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:37:09,807 INFO L85 PathProgramCache]: Analyzing trace with hash -1016052904, now seen corresponding path program 1 times [2023-12-18 22:37:09,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:37:09,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123228444] [2023-12-18 22:37:09,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:37:09,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:37:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:37:09,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:09,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:37:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:37:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:37:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:37:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:37:10,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:37:10,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123228444] [2023-12-18 22:37:10,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [123228444] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:37:10,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:37:10,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:37:10,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46709539] [2023-12-18 22:37:10,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:37:10,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:37:10,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:37:10,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:37:10,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:37:10,065 INFO L87 Difference]: Start difference. First operand 146795 states and 253790 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:37:22,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:37:22,536 INFO L93 Difference]: Finished difference Result 558012 states and 974877 transitions. [2023-12-18 22:37:22,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-18 22:37:22,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:37:22,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:37:24,603 INFO L225 Difference]: With dead ends: 558012 [2023-12-18 22:37:24,603 INFO L226 Difference]: Without dead ends: 413356 [2023-12-18 22:37:25,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-18 22:37:25,148 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 5268 mSDsluCounter, 17231 mSDsCounter, 0 mSdLazyCounter, 3437 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5284 SdHoareTripleChecker+Valid, 21611 SdHoareTripleChecker+Invalid, 3507 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-12-18 22:37:25,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5284 Valid, 21611 Invalid, 3507 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [70 Valid, 3437 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-12-18 22:37:25,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413356 states. [2023-12-18 22:37:37,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413356 to 291435. [2023-12-18 22:37:38,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 291435 states, 267360 states have (on average 1.6020758527827648) internal successors, (428331), 268387 states have internal predecessors, (428331), 16905 states have call successors, (16905), 6145 states have call predecessors, (16905), 7168 states have return successors, (78000), 17926 states have call predecessors, (78000), 16903 states have call successors, (78000) [2023-12-18 22:37:40,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291435 states to 291435 states and 523236 transitions. [2023-12-18 22:37:40,399 INFO L78 Accepts]: Start accepts. Automaton has 291435 states and 523236 transitions. Word has length 142 [2023-12-18 22:37:40,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-18 22:37:40,400 INFO L495 AbstractCegarLoop]: Abstraction has 291435 states and 523236 transitions. [2023-12-18 22:37:40,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:37:40,400 INFO L276 IsEmpty]: Start isEmpty. Operand 291435 states and 523236 transitions. [2023-12-18 22:37:40,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-18 22:37:40,593 INFO L187 NwaCegarLoop]: Found error trace [2023-12-18 22:37:40,593 INFO L195 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] [2023-12-18 22:37:40,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-12-18 22:37:40,593 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-18 22:37:40,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-18 22:37:40,593 INFO L85 PathProgramCache]: Analyzing trace with hash 1305749014, now seen corresponding path program 1 times [2023-12-18 22:37:40,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-12-18 22:37:40,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [30638979] [2023-12-18 22:37:40,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-18 22:37:40,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-18 22:37:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:40,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-12-18 22:37:40,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:40,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-12-18 22:37:40,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:40,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-12-18 22:37:40,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:40,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-12-18 22:37:40,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:40,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-12-18 22:37:40,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-18 22:37:40,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-18 22:37:40,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-12-18 22:37:40,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [30638979] [2023-12-18 22:37:40,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [30638979] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-18 22:37:40,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-18 22:37:40,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-18 22:37:40,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695953169] [2023-12-18 22:37:40,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-18 22:37:40,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-18 22:37:40,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-12-18 22:37:40,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-18 22:37:40,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-12-18 22:37:40,750 INFO L87 Difference]: Start difference. First operand 291435 states and 523236 transitions. Second operand has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2023-12-18 22:38:04,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-18 22:38:04,286 INFO L93 Difference]: Finished difference Result 1085116 states and 1977205 transitions. [2023-12-18 22:38:04,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-12-18 22:38:04,287 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 18.714285714285715) internal successors, (131), 5 states have internal predecessors, (131), 2 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 142 [2023-12-18 22:38:04,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-18 22:38:08,934 INFO L225 Difference]: With dead ends: 1085116 [2023-12-18 22:38:08,935 INFO L226 Difference]: Without dead ends: 795820 [2023-12-18 22:38:10,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2023-12-18 22:38:10,065 INFO L413 NwaCegarLoop]: 4380 mSDtfsCounter, 5249 mSDsluCounter, 17231 mSDsCounter, 0 mSdLazyCounter, 3318 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5265 SdHoareTripleChecker+Valid, 21611 SdHoareTripleChecker+Invalid, 3388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 3318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-18 22:38:10,069 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5265 Valid, 21611 Invalid, 3388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 3318 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2023-12-18 22:38:10,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795820 states. [2023-12-18 22:38:43,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795820 to 581739. [2023-12-18 22:38:45,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 581739 states, 534624 states have (on average 1.602522520500389) internal successors, (856747), 536675 states have internal predecessors, (856747), 32777 states have call successors, (32777), 12289 states have call predecessors, (32777), 14336 states have return successors, (214018), 34822 states have call predecessors, (214018), 32775 states have call successors, (214018)