/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.dynamic-abstractions-a4a1cd3-m [2024-05-30 14:13:01,298 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-30 14:13:01,366 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2024-05-30 14:13:01,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-30 14:13:01,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-30 14:13:01,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2024-05-30 14:13:01,385 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-30 14:13:01,385 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-30 14:13:01,385 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-30 14:13:01,386 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-30 14:13:01,386 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-30 14:13:01,386 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-30 14:13:01,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-30 14:13:01,387 INFO L153 SettingsManager]: * Use SBE=true [2024-05-30 14:13:01,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-30 14:13:01,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-30 14:13:01,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-30 14:13:01,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-30 14:13:01,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-30 14:13:01,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-30 14:13:01,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-30 14:13:01,389 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-30 14:13:01,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-30 14:13:01,389 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-30 14:13:01,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-30 14:13:01,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-30 14:13:01,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-30 14:13:01,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-30 14:13:01,390 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-30 14:13:01,391 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-30 14:13:01,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 14:13:01,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-30 14:13:01,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-30 14:13:01,391 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2024-05-30 14:13:01,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-30 14:13:01,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-30 14:13:01,392 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2024-05-30 14:13:01,392 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2024-05-30 14:13:01,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-30 14:13:01,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-30 14:13:01,393 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-30 14:13:01,393 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/UGemCutter-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2024-05-30 14:13:01,613 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-30 14:13:01,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-30 14:13:01,636 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-30 14:13:01,637 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-30 14:13:01,638 INFO L274 PluginConnector]: CDTParser initialized [2024-05-30 14:13:01,639 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i [2024-05-30 14:13:02,717 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-30 14:13:02,965 INFO L384 CDTParser]: Found 1 translation units. [2024-05-30 14:13:02,965 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i [2024-05-30 14:13:02,977 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f5e276af9/10017d8da3ae473584edfc380d41478e/FLAGa8d842edc [2024-05-30 14:13:02,992 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f5e276af9/10017d8da3ae473584edfc380d41478e [2024-05-30 14:13:02,995 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-30 14:13:02,996 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-30 14:13:02,998 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-30 14:13:02,998 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-30 14:13:03,002 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-30 14:13:03,003 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 02:13:02" (1/1) ... [2024-05-30 14:13:03,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d56d398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03, skipping insertion in model container [2024-05-30 14:13:03,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.05 02:13:02" (1/1) ... [2024-05-30 14:13:03,054 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-30 14:13:03,187 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i[967,980] [2024-05-30 14:13:03,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 14:13:03,387 INFO L202 MainTranslator]: Completed pre-run [2024-05-30 14:13:03,399 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_power.opt_pso.opt_rmo.opt.i[967,980] [2024-05-30 14:13:03,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-30 14:13:03,461 INFO L206 MainTranslator]: Completed translation [2024-05-30 14:13:03,462 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03 WrapperNode [2024-05-30 14:13:03,462 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-30 14:13:03,463 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-30 14:13:03,463 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-30 14:13:03,463 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-30 14:13:03,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,493 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,523 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 142 [2024-05-30 14:13:03,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-30 14:13:03,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-30 14:13:03,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-30 14:13:03,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-30 14:13:03,531 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,544 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,544 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,548 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,549 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,550 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-30 14:13:03,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-30 14:13:03,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-30 14:13:03,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-30 14:13:03,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (1/1) ... [2024-05-30 14:13:03,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-30 14:13:03,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 14:13:03,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-30 14:13:03,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-30 14:13:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-30 14:13:03,654 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-30 14:13:03,654 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-30 14:13:03,655 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-30 14:13:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-30 14:13:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-30 14:13:03,656 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-30 14:13:03,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-30 14:13:03,657 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-30 14:13:03,800 INFO L241 CfgBuilder]: Building ICFG [2024-05-30 14:13:03,801 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-30 14:13:04,070 INFO L282 CfgBuilder]: Performing block encoding [2024-05-30 14:13:04,164 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-30 14:13:04,164 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-30 14:13:04,165 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 02:13:04 BoogieIcfgContainer [2024-05-30 14:13:04,165 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-30 14:13:04,167 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-30 14:13:04,167 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-30 14:13:04,169 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-30 14:13:04,169 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.05 02:13:02" (1/3) ... [2024-05-30 14:13:04,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4786d528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 02:13:04, skipping insertion in model container [2024-05-30 14:13:04,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.05 02:13:03" (2/3) ... [2024-05-30 14:13:04,170 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4786d528 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.05 02:13:04, skipping insertion in model container [2024-05-30 14:13:04,170 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.05 02:13:04" (3/3) ... [2024-05-30 14:13:04,171 INFO L112 eAbstractionObserver]: Analyzing ICFG safe030_power.opt_pso.opt_rmo.opt.i [2024-05-30 14:13:04,179 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-30 14:13:04,186 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-30 14:13:04,186 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-30 14:13:04,187 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-30 14:13:04,227 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-30 14:13:04,267 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 14:13:04,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 14:13:04,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 14:13:04,273 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 14:13:04,274 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-30 14:13:04,317 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 14:13:04,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Err0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 14:13:04,329 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5c72936e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 14:13:04,329 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 14:13:04,331 WARN L438 OrderReductionFacade]: DynamicStratifiedReduction did not find any initial state. Returning directly. [2024-05-30 14:13:04,334 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-05-30 14:13:04,340 INFO L445 BasicCegarLoop]: Path program histogram: [] [2024-05-30 14:13:04,341 INFO L308 ceAbstractionStarter]: Result for error location P2Err0ASSERT_VIOLATIONERROR_FUNCTION was SAFE (1/6) [2024-05-30 14:13:04,352 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 14:13:04,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-30 14:13:04,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-30 14:13:04,355 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-30 14:13:04,361 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-30 14:13:04,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2024-05-30 14:13:04,362 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@5c72936e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-30 14:13:04,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-05-30 14:13:04,365 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:13:04,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-05-30 14:13:04,392 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 143 states. [2024-05-30 14:13:04,392 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 14:13:04,395 INFO L78 Accepts]: Start accepts. Automaton has currently 145 states, but on-demand construction may add more states Word has length 68 [2024-05-30 14:13:04,397 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:13:04,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:13:04,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:13:04,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1745668216, now seen corresponding path program 1 times [2024-05-30 14:13:04,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:13:04,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845687615] [2024-05-30 14:13:04,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:13:04,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:13:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:13:04,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:13:04,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:13:04,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845687615] [2024-05-30 14:13:04,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [845687615] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:13:04,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:13:04,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-30 14:13:04,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762627395] [2024-05-30 14:13:04,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:13:04,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-30 14:13:04,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:13:04,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-30 14:13:04,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-30 14:13:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:04,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:13:04,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.0) internal successors, (68), 2 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:13:04,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:04,717 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:13:11,122 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 716 states. [2024-05-30 14:13:11,123 INFO L212 cStratifiedReduction]: Copied states 0 times. [2024-05-30 14:13:11,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:11,124 INFO L78 Accepts]: Start accepts. Automaton has currently 1292 states, but on-demand construction may add more states Word has length 67 [2024-05-30 14:13:11,124 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:13:11,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-30 14:13:11,125 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:13:11,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:13:11,125 INFO L85 PathProgramCache]: Analyzing trace with hash 52378379, now seen corresponding path program 1 times [2024-05-30 14:13:11,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:13:11,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048482117] [2024-05-30 14:13:11,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:13:11,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:13:11,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:13:11,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:13:11,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:13:11,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048482117] [2024-05-30 14:13:11,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048482117] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:13:11,643 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:13:11,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 14:13:11,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20944690] [2024-05-30 14:13:11,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:13:11,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 14:13:11,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:13:11,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 14:13:11,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 14:13:11,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:11,645 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:13:11,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:13:11,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:11,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:11,646 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:13:38,424 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 3482 states. [2024-05-30 14:13:38,425 INFO L212 cStratifiedReduction]: Copied states 451 times. [2024-05-30 14:13:38,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:38,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:13:38,425 INFO L78 Accepts]: Start accepts. Automaton has currently 4181 states, but on-demand construction may add more states Word has length 70 [2024-05-30 14:13:38,426 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:13:38,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-30 14:13:38,426 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:13:38,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:13:38,426 INFO L85 PathProgramCache]: Analyzing trace with hash 777588722, now seen corresponding path program 1 times [2024-05-30 14:13:38,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:13:38,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447645659] [2024-05-30 14:13:38,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:13:38,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:13:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:13:38,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:13:38,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:13:38,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447645659] [2024-05-30 14:13:38,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447645659] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:13:38,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:13:38,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-30 14:13:38,933 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470181028] [2024-05-30 14:13:38,933 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:13:38,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-30 14:13:38,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:13:38,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-30 14:13:38,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-30 14:13:38,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:38,934 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:13:38,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.666666666666666) internal successors, (70), 6 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:13:38,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:38,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:13:38,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:13:38,935 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:14:29,691 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 5140 states. [2024-05-30 14:14:29,692 INFO L212 cStratifiedReduction]: Copied states 579 times. [2024-05-30 14:14:29,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:14:29,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:14:29,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:14:29,700 INFO L78 Accepts]: Start accepts. Automaton has currently 6524 states, but on-demand construction may add more states Word has length 76 [2024-05-30 14:14:29,703 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:14:29,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-30 14:14:29,703 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:14:29,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:14:29,703 INFO L85 PathProgramCache]: Analyzing trace with hash -948408363, now seen corresponding path program 1 times [2024-05-30 14:14:29,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:14:29,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384104332] [2024-05-30 14:14:29,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:14:29,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:14:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:14:30,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:14:30,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:14:30,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384104332] [2024-05-30 14:14:30,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384104332] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:14:30,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:14:30,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-05-30 14:14:30,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728014450] [2024-05-30 14:14:30,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:14:30,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-30 14:14:30,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:14:30,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-30 14:14:30,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-05-30 14:14:30,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:14:30,721 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:14:30,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.909090909090909) internal successors, (76), 11 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:14:30,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:14:30,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:14:30,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:14:30,721 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:14:30,722 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:16:40,457 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6496 states. [2024-05-30 14:16:40,457 INFO L212 cStratifiedReduction]: Copied states 1503 times. [2024-05-30 14:16:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:16:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:16:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:16:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:16:40,457 INFO L78 Accepts]: Start accepts. Automaton has currently 6887 states, but on-demand construction may add more states Word has length 78 [2024-05-30 14:16:40,458 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:16:40,458 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-30 14:16:40,458 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:16:40,458 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:16:40,459 INFO L85 PathProgramCache]: Analyzing trace with hash 198414966, now seen corresponding path program 1 times [2024-05-30 14:16:40,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:16:40,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647559053] [2024-05-30 14:16:40,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:16:40,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:16:40,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:16:41,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:16:41,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:16:41,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647559053] [2024-05-30 14:16:41,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1647559053] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:16:41,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:16:41,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-05-30 14:16:41,126 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175159175] [2024-05-30 14:16:41,126 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:16:41,127 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-05-30 14:16:41,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:16:41,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-05-30 14:16:41,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2024-05-30 14:16:41,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:16:41,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:16:41,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.5) internal successors, (78), 12 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:16:41,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:16:41,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:16:41,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:16:41,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:16:41,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:16:41,133 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:18:59,709 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6851 states. [2024-05-30 14:18:59,709 INFO L212 cStratifiedReduction]: Copied states 1538 times. [2024-05-30 14:18:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:18:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:18:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:18:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:18:59,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 14:18:59,710 INFO L78 Accepts]: Start accepts. Automaton has currently 7291 states, but on-demand construction may add more states Word has length 83 [2024-05-30 14:18:59,711 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:18:59,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-30 14:18:59,714 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:18:59,714 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:18:59,720 INFO L85 PathProgramCache]: Analyzing trace with hash 81693459, now seen corresponding path program 1 times [2024-05-30 14:18:59,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:18:59,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1196284791] [2024-05-30 14:18:59,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:18:59,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:18:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:19:00,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:19:00,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:19:00,148 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1196284791] [2024-05-30 14:19:00,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1196284791] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:19:00,148 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:19:00,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-30 14:19:00,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665242282] [2024-05-30 14:19:00,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:19:00,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-30 14:19:00,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:19:00,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-30 14:19:00,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-05-30 14:19:00,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:19:00,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:19:00,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:19:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:19:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:19:00,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:19:00,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:19:00,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 14:19:00,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:19:00,151 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:20:22,356 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6230 states. [2024-05-30 14:20:22,356 INFO L212 cStratifiedReduction]: Copied states 1006 times. [2024-05-30 14:20:22,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:20:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:20:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:20:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:20:22,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 14:20:22,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 14:20:22,358 INFO L78 Accepts]: Start accepts. Automaton has currently 7080 states, but on-demand construction may add more states Word has length 83 [2024-05-30 14:20:22,358 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:20:22,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-30 14:20:22,359 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:20:22,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:20:22,359 INFO L85 PathProgramCache]: Analyzing trace with hash 969197140, now seen corresponding path program 1 times [2024-05-30 14:20:22,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:20:22,362 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [243084487] [2024-05-30 14:20:22,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:20:22,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:20:22,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:20:22,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:20:22,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:20:22,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [243084487] [2024-05-30 14:20:22,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [243084487] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:20:22,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:20:22,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-05-30 14:20:22,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488847549] [2024-05-30 14:20:22,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:20:22,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-30 14:20:22,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:20:22,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-30 14:20:22,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-05-30 14:20:22,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:20:22,867 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:20:22,867 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.384615384615385) internal successors, (83), 13 states have internal predecessors, (83), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:20:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:20:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:20:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:20:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:20:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 14:20:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 14:20:22,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:20:22,867 INFO L199 cStratifiedReduction]: Start building reduction automaton [2024-05-30 14:21:45,930 INFO L211 cStratifiedReduction]: Finished building reduction automaton with 6278 states. [2024-05-30 14:21:45,930 INFO L212 cStratifiedReduction]: Copied states 1006 times. [2024-05-30 14:21:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:21:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:21:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:21:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:21:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-30 14:21:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-30 14:21:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-30 14:21:45,931 INFO L78 Accepts]: Start accepts. Automaton has currently 7288 states, but on-demand construction may add more states Word has length 85 [2024-05-30 14:21:45,932 INFO L84 Accepts]: Finished accepts. word is accepted. [2024-05-30 14:21:45,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-30 14:21:45,932 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-30 14:21:45,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-30 14:21:45,933 INFO L85 PathProgramCache]: Analyzing trace with hash 44009013, now seen corresponding path program 1 times [2024-05-30 14:21:45,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-30 14:21:45,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631822853] [2024-05-30 14:21:45,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-30 14:21:45,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-30 14:21:45,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-30 14:21:46,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-30 14:21:46,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-30 14:21:46,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631822853] [2024-05-30 14:21:46,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631822853] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-30 14:21:46,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-30 14:21:46,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-30 14:21:46,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009961398] [2024-05-30 14:21:46,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-30 14:21:46,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-30 14:21:46,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-30 14:21:46,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-30 14:21:46,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-30 14:21:46,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:21:46,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-30 14:21:46,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.142857142857142) internal successors, (85), 7 states have internal predecessors, (85), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-30 14:21:46,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-30 14:21:46,308 INFO L199 cStratifiedReduction]: Start building reduction automaton