/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 -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 02:00:06,423 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 02:00:06,454 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 02:00:06,457 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 02:00:06,457 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 02:00:06,470 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 02:00:06,470 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 02:00:06,470 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 02:00:06,471 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 02:00:06,471 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 02:00:06,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 02:00:06,472 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 02:00:06,472 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 02:00:06,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 02:00:06,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 02:00:06,473 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 02:00:06,473 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 02:00:06,473 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 02:00:06,473 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 02:00:06,474 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 02:00:06,474 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 02:00:06,474 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 02:00:06,474 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 02:00:06,475 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 02:00:06,475 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 02:00:06,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 02:00:06,475 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 02:00:06,475 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 02:00:06,476 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 02:00:06,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 02:00:06,476 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 02:00:06,476 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 02:00:06,476 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 02:00:06,477 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 02:00:06,477 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 02:00:06,477 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 02:00:06,477 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 02:00:06,477 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 02:00:06,477 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 02:00:06,477 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-05-05 02:00:06,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 02:00:06,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 02:00:06,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 02:00:06,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 02:00:06,797 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 02:00:06,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-05-05 02:00:08,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 02:00:08,489 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 02:00:08,490 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i [2024-05-05 02:00:08,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6a2aa95ef/acb17f6f17e24241838e1e0e7e980334/FLAG3e0598461 [2024-05-05 02:00:08,552 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6a2aa95ef/acb17f6f17e24241838e1e0e7e980334 [2024-05-05 02:00:08,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 02:00:08,556 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 02:00:08,573 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 02:00:08,573 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 02:00:08,578 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 02:00:08,579 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:00:08" (1/1) ... [2024-05-05 02:00:08,580 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f0de3f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:08, skipping insertion in model container [2024-05-05 02:00:08,580 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:00:08" (1/1) ... [2024-05-05 02:00:08,661 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 02:00:09,379 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2024-05-05 02:00:09,417 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 02:00:09,427 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 02:00:09,490 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-lit/sssc12_variant.i[46865,46878] [2024-05-05 02:00:09,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 02:00:09,587 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 02:00:09,587 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 02:00:09,593 INFO L206 MainTranslator]: Completed translation [2024-05-05 02:00:09,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09 WrapperNode [2024-05-05 02:00:09,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 02:00:09,611 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 02:00:09,611 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 02:00:09,611 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 02:00:09,616 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,687 INFO L138 Inliner]: procedures = 275, calls = 25, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 86 [2024-05-05 02:00:09,687 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 02:00:09,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 02:00:09,688 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 02:00:09,688 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 02:00:09,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,728 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,750 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 02:00:09,751 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 02:00:09,751 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 02:00:09,751 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 02:00:09,752 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (1/1) ... [2024-05-05 02:00:09,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 02:00:09,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:09,818 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) [2024-05-05 02:00:09,820 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 [2024-05-05 02:00:09,881 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure thr [2024-05-05 02:00:09,882 INFO L138 BoogieDeclarations]: Found implementation of procedure thr [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 02:00:09,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 02:00:09,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 02:00:09,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 02:00:09,895 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 02:00:10,040 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 02:00:10,042 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 02:00:10,204 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 02:00:10,246 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 02:00:10,246 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-05 02:00:10,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:00:10 BoogieIcfgContainer [2024-05-05 02:00:10,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 02:00:10,250 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 02:00:10,250 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 02:00:10,253 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 02:00:10,253 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 02:00:08" (1/3) ... [2024-05-05 02:00:10,253 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe85a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:00:10, skipping insertion in model container [2024-05-05 02:00:10,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:00:09" (2/3) ... [2024-05-05 02:00:10,254 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe85a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:00:10, skipping insertion in model container [2024-05-05 02:00:10,254 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:00:10" (3/3) ... [2024-05-05 02:00:10,255 INFO L112 eAbstractionObserver]: Analyzing ICFG sssc12_variant.i [2024-05-05 02:00:10,277 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 02:00:10,286 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 02:00:10,286 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 02:00:10,286 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 02:00:10,362 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:10,403 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:10,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:10,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:10,406 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) [2024-05-05 02:00:10,413 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 [2024-05-05 02:00:10,452 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:10,479 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:10,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:10,486 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:10,487 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-05 02:00:10,516 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-05 02:00:10,518 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:10,518 INFO L85 PathProgramCache]: Analyzing trace with hash 747022334, now seen corresponding path program 1 times [2024-05-05 02:00:10,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:10,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581593360] [2024-05-05 02:00:10,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:10,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:10,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:10,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:10,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581593360] [2024-05-05 02:00:10,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581593360] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:10,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:10,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:10,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13482730] [2024-05-05 02:00:10,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:10,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:10,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:10,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:10,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:10,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:10,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:10,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:10,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:10,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:10,893 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 02:00:10,893 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-05 02:00:10,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:10,893 INFO L85 PathProgramCache]: Analyzing trace with hash -828724498, now seen corresponding path program 1 times [2024-05-05 02:00:10,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:10,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222293263] [2024-05-05 02:00:10,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:10,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:10,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:11,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:11,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222293263] [2024-05-05 02:00:11,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222293263] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:11,464 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:11,464 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:11,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000492661] [2024-05-05 02:00:11,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:11,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:11,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:11,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:11,470 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:11,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:11,470 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:11,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:11,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:11,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:11,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:11,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:11,671 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 02:00:11,672 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-05 02:00:11,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:11,673 INFO L85 PathProgramCache]: Analyzing trace with hash -547096769, now seen corresponding path program 1 times [2024-05-05 02:00:11,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:11,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123215568] [2024-05-05 02:00:11,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:11,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:11,717 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:11,769 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:11,769 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:11,770 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-05-05 02:00:11,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-05-05 02:00:11,772 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-05-05 02:00:11,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 02:00:11,782 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-05-05 02:00:11,783 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:11,783 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-05-05 02:00:11,815 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:11,820 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:11,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:11,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:11,883 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) [2024-05-05 02:00:11,902 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:11,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:11,902 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:11,903 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:11,903 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 02:00:11,918 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 [2024-05-05 02:00:11,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-05-05 02:00:11,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:11,926 INFO L85 PathProgramCache]: Analyzing trace with hash -731551818, now seen corresponding path program 1 times [2024-05-05 02:00:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:11,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621256628] [2024-05-05 02:00:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:11,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:11,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:11,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:11,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621256628] [2024-05-05 02:00:11,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621256628] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:11,947 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:11,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:11,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906221479] [2024-05-05 02:00:11,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:11,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:11,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:11,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:11,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:11,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:11,955 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:11,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:11,955 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:11,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:11,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-05 02:00:11,964 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-05-05 02:00:11,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:11,964 INFO L85 PathProgramCache]: Analyzing trace with hash 257306158, now seen corresponding path program 1 times [2024-05-05 02:00:11,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:11,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946350720] [2024-05-05 02:00:11,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:11,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:12,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:12,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946350720] [2024-05-05 02:00:12,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946350720] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:12,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:12,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:12,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970400889] [2024-05-05 02:00:12,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:12,064 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:12,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:12,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:12,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:12,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:12,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:12,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-05 02:00:12,222 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-05-05 02:00:12,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:12,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1193345666, now seen corresponding path program 1 times [2024-05-05 02:00:12,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:12,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127900757] [2024-05-05 02:00:12,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:12,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:12,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:12,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127900757] [2024-05-05 02:00:12,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127900757] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:12,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:12,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:12,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853555075] [2024-05-05 02:00:12,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:12,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:12,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:12,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:12,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:12,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:12,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:12,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:12,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:12,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:12,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-05 02:00:12,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-05-05 02:00:12,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:12,531 INFO L85 PathProgramCache]: Analyzing trace with hash -389646862, now seen corresponding path program 1 times [2024-05-05 02:00:12,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:12,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646772428] [2024-05-05 02:00:12,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:12,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:12,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:12,564 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:12,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:12,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:12,606 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:12,606 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-05-05 02:00:12,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-05-05 02:00:12,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-05-05 02:00:12,606 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-05-05 02:00:12,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-05 02:00:12,607 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-05 02:00:12,608 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:12,608 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-05-05 02:00:12,634 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:12,640 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:12,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:12,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:12,643 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:12,648 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:12,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:12,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:12,649 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:12,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 02:00:12,655 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 02:00:12,655 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:12,655 INFO L85 PathProgramCache]: Analyzing trace with hash 889100428, now seen corresponding path program 1 times [2024-05-05 02:00:12,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:12,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1711328771] [2024-05-05 02:00:12,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:12,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:12,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Waiting until timeout for monitored process [2024-05-05 02:00:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:12,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:12,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:12,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1711328771] [2024-05-05 02:00:12,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1711328771] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:12,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:12,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:12,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51332606] [2024-05-05 02:00:12,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:12,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:12,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:12,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:12,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:12,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,686 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:12,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:12,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-05 02:00:12,694 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 02:00:12,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:12,695 INFO L85 PathProgramCache]: Analyzing trace with hash -801009560, now seen corresponding path program 1 times [2024-05-05 02:00:12,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:12,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970147047] [2024-05-05 02:00:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:12,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:12,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:12,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:12,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970147047] [2024-05-05 02:00:12,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970147047] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:12,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:12,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:12,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579483074] [2024-05-05 02:00:12,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:12,788 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:12,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:12,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:12,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:12,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,794 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:12,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:12,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:12,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-05 02:00:12,890 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 02:00:12,891 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:12,891 INFO L85 PathProgramCache]: Analyzing trace with hash 365829408, now seen corresponding path program 1 times [2024-05-05 02:00:12,891 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:12,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117499288] [2024-05-05 02:00:12,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:12,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:12,989 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:12,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:12,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117499288] [2024-05-05 02:00:12,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117499288] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:12,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:12,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:12,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684945433] [2024-05-05 02:00:12,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:12,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:12,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:13,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:13,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:13,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,001 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:13,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-05-05 02:00:13,096 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 02:00:13,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:13,096 INFO L85 PathProgramCache]: Analyzing trace with hash -2130080993, now seen corresponding path program 1 times [2024-05-05 02:00:13,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:13,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315489169] [2024-05-05 02:00:13,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:13,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:13,284 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:13,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:13,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315489169] [2024-05-05 02:00:13,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1315489169] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:13,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:13,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:13,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530682041] [2024-05-05 02:00:13,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:13,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:13,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:13,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:13,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:13,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:13,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:13,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-05-05 02:00:13,426 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 02:00:13,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:13,426 INFO L85 PathProgramCache]: Analyzing trace with hash 514964179, now seen corresponding path program 1 times [2024-05-05 02:00:13,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:13,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334558502] [2024-05-05 02:00:13,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:13,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:13,454 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:13,497 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:13,497 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:13,497 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-05-05 02:00:13,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-05-05 02:00:13,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-05-05 02:00:13,497 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-05-05 02:00:13,498 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-05-05 02:00:13,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-05-05 02:00:13,498 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-05-05 02:00:13,499 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:13,499 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-05-05 02:00:13,543 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:13,545 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:13,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:13,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:13,562 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:13,581 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:13,582 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:13,582 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:13,582 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:13,582 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-05 02:00:13,589 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 02:00:13,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:13,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1864489335, now seen corresponding path program 1 times [2024-05-05 02:00:13,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:13,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930772970] [2024-05-05 02:00:13,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:13,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:13,592 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Waiting until timeout for monitored process [2024-05-05 02:00:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:13,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:13,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930772970] [2024-05-05 02:00:13,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930772970] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:13,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:13,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:13,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889854800] [2024-05-05 02:00:13,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:13,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:13,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:13,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:13,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:13,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,649 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:13,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:13,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-05-05 02:00:13,656 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 02:00:13,656 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:13,656 INFO L85 PathProgramCache]: Analyzing trace with hash 1407761829, now seen corresponding path program 1 times [2024-05-05 02:00:13,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:13,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170257665] [2024-05-05 02:00:13,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:13,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:13,781 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:13,781 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170257665] [2024-05-05 02:00:13,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170257665] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:13,782 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:13,782 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:13,782 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700926011] [2024-05-05 02:00:13,782 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:13,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:13,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:13,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:13,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:13,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:13,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:13,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:13,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:13,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-05-05 02:00:13,850 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 02:00:13,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:13,850 INFO L85 PathProgramCache]: Analyzing trace with hash -529230467, now seen corresponding path program 1 times [2024-05-05 02:00:13,850 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:13,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947275154] [2024-05-05 02:00:13,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:13,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:14,055 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:14,055 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947275154] [2024-05-05 02:00:14,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [947275154] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:14,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:14,056 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:14,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308774142] [2024-05-05 02:00:14,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:14,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:14,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:14,079 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:14,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:14,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,079 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:14,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,079 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-05-05 02:00:14,237 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 02:00:14,237 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:14,237 INFO L85 PathProgramCache]: Analyzing trace with hash -356612321, now seen corresponding path program 1 times [2024-05-05 02:00:14,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:14,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1571830484] [2024-05-05 02:00:14,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:14,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:14,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:14,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1571830484] [2024-05-05 02:00:14,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1571830484] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:14,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:14,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:14,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300744727] [2024-05-05 02:00:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:14,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:14,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:14,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:14,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:14,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:14,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-05-05 02:00:14,706 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 02:00:14,706 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:14,707 INFO L85 PathProgramCache]: Analyzing trace with hash -1810948745, now seen corresponding path program 1 times [2024-05-05 02:00:14,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:14,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762933206] [2024-05-05 02:00:14,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:14,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:14,926 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:00:14,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:14,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762933206] [2024-05-05 02:00:14,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762933206] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:14,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:14,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:14,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608278203] [2024-05-05 02:00:14,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:14,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:14,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:15,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:15,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:15,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,112 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:15,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:00:15,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-05-05 02:00:15,213 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 02:00:15,214 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:15,214 INFO L85 PathProgramCache]: Analyzing trace with hash -1717466744, now seen corresponding path program 1 times [2024-05-05 02:00:15,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:15,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248640942] [2024-05-05 02:00:15,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:15,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:15,293 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:15,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:15,349 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:15,349 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-05-05 02:00:15,350 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-05-05 02:00:15,350 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-05-05 02:00:15,350 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-05-05 02:00:15,350 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-05-05 02:00:15,350 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-05-05 02:00:15,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-05-05 02:00:15,351 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-05-05 02:00:15,351 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:15,351 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-05-05 02:00:15,374 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:15,376 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:15,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:15,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:15,379 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:15,396 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:15,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:15,397 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:15,397 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:15,397 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-05-05 02:00:15,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-05-05 02:00:15,401 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-05-05 02:00:15,416 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:15,416 INFO L85 PathProgramCache]: Analyzing trace with hash -30231120, now seen corresponding path program 1 times [2024-05-05 02:00:15,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:15,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504944679] [2024-05-05 02:00:15,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:15,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:15,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:15,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:15,430 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:15,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504944679] [2024-05-05 02:00:15,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504944679] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:15,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:15,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:15,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94251034] [2024-05-05 02:00:15,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:15,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:15,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:15,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:15,433 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:15,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,433 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:15,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:15,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-05-05 02:00:15,438 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-05-05 02:00:15,438 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:15,438 INFO L85 PathProgramCache]: Analyzing trace with hash -1334158872, now seen corresponding path program 1 times [2024-05-05 02:00:15,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:15,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641073980] [2024-05-05 02:00:15,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:15,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:15,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:15,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:15,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:15,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641073980] [2024-05-05 02:00:15,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641073980] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:15,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:15,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:15,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925248015] [2024-05-05 02:00:15,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:15,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:15,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:15,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:15,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:15,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,503 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:15,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:15,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-05-05 02:00:15,593 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-05-05 02:00:15,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:15,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1665391943, now seen corresponding path program 1 times [2024-05-05 02:00:15,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:15,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142376717] [2024-05-05 02:00:15,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:15,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:15,751 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:15,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:15,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142376717] [2024-05-05 02:00:15,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142376717] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:15,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:15,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:15,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950039145] [2024-05-05 02:00:15,752 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:15,752 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:15,752 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:15,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:15,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:15,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,759 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:15,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:15,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:15,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-05-05 02:00:15,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-05-05 02:00:15,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:15,872 INFO L85 PathProgramCache]: Analyzing trace with hash -824539710, now seen corresponding path program 1 times [2024-05-05 02:00:15,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:15,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515681635] [2024-05-05 02:00:15,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:15,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:16,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:16,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515681635] [2024-05-05 02:00:16,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515681635] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:16,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:16,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:16,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165075110] [2024-05-05 02:00:16,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:16,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:16,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:16,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:16,078 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:16,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,078 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:16,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:16,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,204 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-05-05 02:00:16,204 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-05-05 02:00:16,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:16,204 INFO L85 PathProgramCache]: Analyzing trace with hash 1472011218, now seen corresponding path program 1 times [2024-05-05 02:00:16,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:16,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45631873] [2024-05-05 02:00:16,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:16,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:16,420 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:00:16,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:16,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45631873] [2024-05-05 02:00:16,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45631873] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:16,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:16,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:16,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572709896] [2024-05-05 02:00:16,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:16,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:16,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:16,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:16,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:16,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,511 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:16,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:00:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:16,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-05-05 02:00:16,681 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-05-05 02:00:16,681 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:16,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1496092909, now seen corresponding path program 1 times [2024-05-05 02:00:16,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:16,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080084626] [2024-05-05 02:00:16,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:16,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:16,978 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:00:16,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:16,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080084626] [2024-05-05 02:00:16,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080084626] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:16,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:16,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:16,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951644705] [2024-05-05 02:00:16,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:16,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:16,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:17,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:17,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:17,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,310 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:17,310 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:00:17,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-05-05 02:00:17,429 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2024-05-05 02:00:17,429 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:17,429 INFO L85 PathProgramCache]: Analyzing trace with hash -456186649, now seen corresponding path program 1 times [2024-05-05 02:00:17,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:17,430 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133869863] [2024-05-05 02:00:17,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:17,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:17,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:17,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:17,576 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:17,576 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:17,576 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-05-05 02:00:17,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-05-05 02:00:17,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-05-05 02:00:17,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-05-05 02:00:17,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-05-05 02:00:17,576 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-05-05 02:00:17,577 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-05-05 02:00:17,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2024-05-05 02:00:17,578 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:00:17,579 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:17,579 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-05-05 02:00:17,606 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:17,608 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:17,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:17,608 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:17,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:17,616 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:17,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:17,616 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:17,617 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:17,617 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-05-05 02:00:17,622 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:17,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:17,622 INFO L85 PathProgramCache]: Analyzing trace with hash 1724752382, now seen corresponding path program 1 times [2024-05-05 02:00:17,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:17,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937627123] [2024-05-05 02:00:17,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:17,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:17,626 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Waiting until timeout for monitored process [2024-05-05 02:00:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:17,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:17,640 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:17,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937627123] [2024-05-05 02:00:17,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937627123] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:17,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:17,640 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:17,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941490357] [2024-05-05 02:00:17,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:17,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:17,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:17,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:17,642 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:17,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,643 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:17,643 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-05-05 02:00:17,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:17,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:17,648 INFO L85 PathProgramCache]: Analyzing trace with hash -808992466, now seen corresponding path program 1 times [2024-05-05 02:00:17,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:17,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648290027] [2024-05-05 02:00:17,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:17,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:17,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:17,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:17,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648290027] [2024-05-05 02:00:17,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648290027] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:17,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:17,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:17,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742728332] [2024-05-05 02:00:17,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:17,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:17,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:17,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:17,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:17,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,714 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:17,715 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-05-05 02:00:17,779 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:17,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:17,779 INFO L85 PathProgramCache]: Analyzing trace with hash 618505682, now seen corresponding path program 1 times [2024-05-05 02:00:17,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:17,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873250235] [2024-05-05 02:00:17,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:17,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:17,870 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:17,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:17,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873250235] [2024-05-05 02:00:17,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873250235] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:17,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:17,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:17,871 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652946474] [2024-05-05 02:00:17,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:17,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:17,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:17,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:17,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:17,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,878 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:17,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:17,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:17,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-05-05 02:00:17,969 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:17,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:17,970 INFO L85 PathProgramCache]: Analyzing trace with hash -2128149165, now seen corresponding path program 1 times [2024-05-05 02:00:17,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:17,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430117665] [2024-05-05 02:00:17,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:17,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:18,106 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:18,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:18,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430117665] [2024-05-05 02:00:18,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430117665] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:18,107 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:18,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:18,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401487153] [2024-05-05 02:00:18,107 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:18,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:18,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:18,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:18,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:18,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,135 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:18,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:18,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-05-05 02:00:18,267 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:18,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:18,267 INFO L85 PathProgramCache]: Analyzing trace with hash -745209699, now seen corresponding path program 1 times [2024-05-05 02:00:18,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:18,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702388572] [2024-05-05 02:00:18,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:18,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:18,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:18,429 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:00:18,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:18,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702388572] [2024-05-05 02:00:18,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702388572] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:18,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:18,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:18,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764298009] [2024-05-05 02:00:18,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:18,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:18,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:18,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:18,527 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:18,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,527 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:18,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:00:18,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:18,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-05-05 02:00:18,701 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:18,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:18,701 INFO L85 PathProgramCache]: Analyzing trace with hash -976210931, now seen corresponding path program 1 times [2024-05-05 02:00:18,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:18,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159822238] [2024-05-05 02:00:18,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:18,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:18,925 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:00:18,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:18,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159822238] [2024-05-05 02:00:18,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159822238] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:18,925 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:18,925 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:18,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571377621] [2024-05-05 02:00:18,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:18,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:18,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:19,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:19,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:19,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:19,208 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:19,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:00:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:19,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:19,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2024-05-05 02:00:19,442 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:19,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:19,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1114722473, now seen corresponding path program 1 times [2024-05-05 02:00:19,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:19,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003968328] [2024-05-05 02:00:19,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:19,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:19,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:19,714 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:00:19,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003968328] [2024-05-05 02:00:19,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003968328] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:19,714 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:19,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:19,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647150412] [2024-05-05 02:00:19,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:19,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:19,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:20,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:20,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:20,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,328 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:20,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:00:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-05-05 02:00:20,486 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] === [2024-05-05 02:00:20,486 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:20,486 INFO L85 PathProgramCache]: Analyzing trace with hash 95023534, now seen corresponding path program 1 times [2024-05-05 02:00:20,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:20,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712520800] [2024-05-05 02:00:20,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:20,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:20,556 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:20,670 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:20,670 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:20,671 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-05-05 02:00:20,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-05-05 02:00:20,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-05-05 02:00:20,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-05-05 02:00:20,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-05-05 02:00:20,671 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-05-05 02:00:20,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-05-05 02:00:20,672 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-05-05 02:00:20,672 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-05-05 02:00:20,673 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:00:20,673 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:20,673 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-05-05 02:00:20,715 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:20,717 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:20,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:20,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:20,720 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:20,760 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:20,760 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:20,761 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:20,761 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:20,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-05-05 02:00:20,764 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:20,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:20,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1167528801, now seen corresponding path program 1 times [2024-05-05 02:00:20,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:20,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466735556] [2024-05-05 02:00:20,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:20,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:20,772 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Waiting until timeout for monitored process [2024-05-05 02:00:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:20,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:20,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466735556] [2024-05-05 02:00:20,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466735556] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:20,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:20,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:20,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968464928] [2024-05-05 02:00:20,786 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:20,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:20,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:20,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:20,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,788 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:20,788 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:20,788 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-05-05 02:00:20,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:20,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:20,792 INFO L85 PathProgramCache]: Analyzing trace with hash 750328677, now seen corresponding path program 1 times [2024-05-05 02:00:20,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:20,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766882514] [2024-05-05 02:00:20,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:20,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:20,849 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:20,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:20,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766882514] [2024-05-05 02:00:20,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766882514] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:20,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:20,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:20,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116053252] [2024-05-05 02:00:20,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:20,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:20,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:20,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:20,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:20,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:20,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:20,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:20,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:20,942 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2024-05-05 02:00:20,942 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:20,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:20,942 INFO L85 PathProgramCache]: Analyzing trace with hash 2009835346, now seen corresponding path program 1 times [2024-05-05 02:00:20,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:20,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630859341] [2024-05-05 02:00:20,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:20,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:20,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:21,040 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:21,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:21,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630859341] [2024-05-05 02:00:21,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1630859341] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:21,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:21,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:21,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108328001] [2024-05-05 02:00:21,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:21,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:21,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:21,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:21,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:21,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:21,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:21,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2024-05-05 02:00:21,128 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:21,128 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:21,129 INFO L85 PathProgramCache]: Analyzing trace with hash 532201660, now seen corresponding path program 1 times [2024-05-05 02:00:21,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:21,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266964362] [2024-05-05 02:00:21,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:21,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:21,234 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:21,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:21,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266964362] [2024-05-05 02:00:21,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [266964362] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:21,235 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:21,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:21,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187202136] [2024-05-05 02:00:21,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:21,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:21,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:21,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:21,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,262 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:21,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:21,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2024-05-05 02:00:21,380 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:21,380 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:21,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1751326805, now seen corresponding path program 1 times [2024-05-05 02:00:21,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:21,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206970194] [2024-05-05 02:00:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:21,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:21,543 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:00:21,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:21,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206970194] [2024-05-05 02:00:21,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206970194] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:21,544 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:21,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:21,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12065097] [2024-05-05 02:00:21,544 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:21,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:21,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:21,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:21,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:21,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:21,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:00:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:21,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-05-05 02:00:21,869 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:21,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:21,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1780259498, now seen corresponding path program 1 times [2024-05-05 02:00:21,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:21,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193713008] [2024-05-05 02:00:21,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:21,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:22,122 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:00:22,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:22,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193713008] [2024-05-05 02:00:22,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193713008] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:22,123 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:22,123 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:22,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454784025] [2024-05-05 02:00:22,123 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:22,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:22,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:22,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:22,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:22,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:22,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:22,485 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:00:22,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:22,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:22,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-05-05 02:00:22,747 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:22,748 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:22,748 INFO L85 PathProgramCache]: Analyzing trace with hash 1851398429, now seen corresponding path program 1 times [2024-05-05 02:00:22,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:22,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809531680] [2024-05-05 02:00:22,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:22,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:00:23,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:23,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809531680] [2024-05-05 02:00:23,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809531680] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:23,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:23,043 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:23,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988457459] [2024-05-05 02:00:23,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:23,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:23,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:23,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:23,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:23,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:23,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:23,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:00:23,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:23,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:23,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:23,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:23,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:23,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:23,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:24,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:24,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:24,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2024-05-05 02:00:24,013 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:24,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1949688990, now seen corresponding path program 1 times [2024-05-05 02:00:24,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:24,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159311597] [2024-05-05 02:00:24,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:24,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:24,358 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:00:24,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:24,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159311597] [2024-05-05 02:00:24,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159311597] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:24,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:24,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:24,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210148708] [2024-05-05 02:00:24,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:24,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:24,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:25,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:25,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:25,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:25,673 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:25,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:25,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2024-05-05 02:00:25,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2024-05-05 02:00:25,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:25,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1896453125, now seen corresponding path program 1 times [2024-05-05 02:00:25,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:25,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999329829] [2024-05-05 02:00:25,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:25,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:25,893 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:26,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:26,038 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:26,038 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-05-05 02:00:26,038 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-05-05 02:00:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2024-05-05 02:00:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2024-05-05 02:00:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2024-05-05 02:00:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-05-05 02:00:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2024-05-05 02:00:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2024-05-05 02:00:26,039 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2024-05-05 02:00:26,039 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2024-05-05 02:00:26,040 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:00:26,040 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:26,040 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-05-05 02:00:26,068 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:26,070 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:26,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:26,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:26,073 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:26,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Waiting until timeout for monitored process [2024-05-05 02:00:26,075 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:26,076 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:26,076 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:26,076 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:26,076 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-05-05 02:00:26,079 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:26,079 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:26,079 INFO L85 PathProgramCache]: Analyzing trace with hash -213280283, now seen corresponding path program 1 times [2024-05-05 02:00:26,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:26,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910894064] [2024-05-05 02:00:26,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:26,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:26,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:26,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:26,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:26,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910894064] [2024-05-05 02:00:26,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [910894064] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:26,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:26,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:26,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1502053147] [2024-05-05 02:00:26,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:26,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:26,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:26,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:26,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:26,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:26,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:26,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,097 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2024-05-05 02:00:26,097 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:26,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:26,097 INFO L85 PathProgramCache]: Analyzing trace with hash 537458841, now seen corresponding path program 1 times [2024-05-05 02:00:26,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:26,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638241034] [2024-05-05 02:00:26,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:26,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:26,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:26,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638241034] [2024-05-05 02:00:26,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638241034] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:26,147 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:26,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:26,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356526788] [2024-05-05 02:00:26,148 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:26,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:26,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:26,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:26,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:26,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,149 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:26,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:26,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,149 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-05-05 02:00:26,211 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:26,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:26,211 INFO L85 PathProgramCache]: Analyzing trace with hash -1621046165, now seen corresponding path program 1 times [2024-05-05 02:00:26,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:26,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659674924] [2024-05-05 02:00:26,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:26,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:26,284 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:26,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:26,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659674924] [2024-05-05 02:00:26,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659674924] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:26,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:26,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:26,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794872378] [2024-05-05 02:00:26,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:26,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:26,285 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:26,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:26,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:26,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:26,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-05-05 02:00:26,370 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:26,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:26,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1289151533, now seen corresponding path program 1 times [2024-05-05 02:00:26,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:26,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58593364] [2024-05-05 02:00:26,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:26,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:26,464 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:26,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:26,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58593364] [2024-05-05 02:00:26,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58593364] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:26,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:26,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:26,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044749426] [2024-05-05 02:00:26,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:26,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:26,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:26,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:26,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:26,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:26,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2024-05-05 02:00:26,599 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:26,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:26,600 INFO L85 PathProgramCache]: Analyzing trace with hash 2083148313, now seen corresponding path program 1 times [2024-05-05 02:00:26,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:26,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465733901] [2024-05-05 02:00:26,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:26,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:26,760 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:00:26,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:26,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465733901] [2024-05-05 02:00:26,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1465733901] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:26,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:26,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:26,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45642688] [2024-05-05 02:00:26,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:26,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:26,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:26,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:26,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:26,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:26,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:00:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:26,988 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2024-05-05 02:00:26,988 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:26,988 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:26,988 INFO L85 PathProgramCache]: Analyzing trace with hash -903024627, now seen corresponding path program 1 times [2024-05-05 02:00:26,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:26,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48042686] [2024-05-05 02:00:26,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:26,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:00:27,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:27,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48042686] [2024-05-05 02:00:27,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48042686] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:27,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:27,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:27,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500277094] [2024-05-05 02:00:27,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:27,172 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:27,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:27,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:27,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:27,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:27,397 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:27,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:00:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:27,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2024-05-05 02:00:27,596 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:27,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:27,596 INFO L85 PathProgramCache]: Analyzing trace with hash 344122585, now seen corresponding path program 1 times [2024-05-05 02:00:27,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:27,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087411882] [2024-05-05 02:00:27,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:27,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:27,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:27,903 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:00:27,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:27,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2087411882] [2024-05-05 02:00:27,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2087411882] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:27,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:27,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:27,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596559463] [2024-05-05 02:00:27,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:27,904 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:27,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:28,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:28,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:28,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:28,458 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:00:28,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:28,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:28,768 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2024-05-05 02:00:28,768 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:28,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:28,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1485106439, now seen corresponding path program 1 times [2024-05-05 02:00:28,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:28,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767230961] [2024-05-05 02:00:28,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:28,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:00:29,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:29,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767230961] [2024-05-05 02:00:29,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767230961] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:29,098 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:29,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:29,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [327870789] [2024-05-05 02:00:29,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:29,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:29,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:30,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:30,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:30,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:30,332 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:30,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:00:30,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:30,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,333 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:30,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2024-05-05 02:00:30,659 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:30,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:30,659 INFO L85 PathProgramCache]: Analyzing trace with hash 888850259, now seen corresponding path program 1 times [2024-05-05 02:00:30,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:30,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547048666] [2024-05-05 02:00:30,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:30,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:30,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:00:31,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:31,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547048666] [2024-05-05 02:00:31,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547048666] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:31,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:31,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:31,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223093515] [2024-05-05 02:00:31,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:31,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:31,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:33,365 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:33,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:33,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:33,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:33,564 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2024-05-05 02:00:33,565 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 7 more)] === [2024-05-05 02:00:33,565 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:33,565 INFO L85 PathProgramCache]: Analyzing trace with hash -146951068, now seen corresponding path program 1 times [2024-05-05 02:00:33,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:33,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058440942] [2024-05-05 02:00:33,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:33,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:33,634 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:33,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:33,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:33,858 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:33,858 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-05-05 02:00:33,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 10 remaining) [2024-05-05 02:00:33,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 10 remaining) [2024-05-05 02:00:33,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 10 remaining) [2024-05-05 02:00:33,859 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 10 remaining) [2024-05-05 02:00:33,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 10 remaining) [2024-05-05 02:00:33,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 10 remaining) [2024-05-05 02:00:33,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 10 remaining) [2024-05-05 02:00:33,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 10 remaining) [2024-05-05 02:00:33,860 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 10 remaining) [2024-05-05 02:00:33,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-05-05 02:00:33,861 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:00:33,861 WARN L233 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:33,862 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2024-05-05 02:00:33,889 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:33,891 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:33,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:33,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:33,894 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:33,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Waiting until timeout for monitored process [2024-05-05 02:00:33,918 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:33,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:33,918 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:33,918 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:33,918 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-05-05 02:00:33,922 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:33,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:33,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1676034475, now seen corresponding path program 1 times [2024-05-05 02:00:33,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:33,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523169578] [2024-05-05 02:00:33,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:33,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:33,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:33,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:33,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523169578] [2024-05-05 02:00:33,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523169578] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:33,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:33,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:33,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227417615] [2024-05-05 02:00:33,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:33,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:33,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:33,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:33,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:33,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,936 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:33,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:33,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-05-05 02:00:33,940 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:33,940 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:33,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1648859925, now seen corresponding path program 1 times [2024-05-05 02:00:33,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:33,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074185209] [2024-05-05 02:00:33,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:33,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:33,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:33,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:33,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:33,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074185209] [2024-05-05 02:00:33,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074185209] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:33,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:33,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:33,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222828787] [2024-05-05 02:00:33,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:33,994 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:33,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:33,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:33,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:33,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,995 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:33,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:33,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:33,996 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-05-05 02:00:34,049 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:34,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:34,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1372663326, now seen corresponding path program 1 times [2024-05-05 02:00:34,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:34,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536135411] [2024-05-05 02:00:34,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:34,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:34,121 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:34,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:34,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536135411] [2024-05-05 02:00:34,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536135411] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:34,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:34,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:34,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73410532] [2024-05-05 02:00:34,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:34,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:34,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:34,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:34,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:34,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:34,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:34,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2024-05-05 02:00:34,209 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:34,209 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:34,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1329156740, now seen corresponding path program 1 times [2024-05-05 02:00:34,209 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:34,209 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453626883] [2024-05-05 02:00:34,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:34,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:34,301 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:34,301 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:34,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453626883] [2024-05-05 02:00:34,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453626883] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:34,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:34,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:34,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865718399] [2024-05-05 02:00:34,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:34,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:34,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:34,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:34,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:34,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:34,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2024-05-05 02:00:34,440 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:34,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:34,440 INFO L85 PathProgramCache]: Analyzing trace with hash 474250850, now seen corresponding path program 1 times [2024-05-05 02:00:34,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:34,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887356032] [2024-05-05 02:00:34,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:34,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:34,605 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:00:34,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:34,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887356032] [2024-05-05 02:00:34,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887356032] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:34,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:34,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:34,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937890649] [2024-05-05 02:00:34,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:34,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:34,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:34,693 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:34,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:34,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:34,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:00:34,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:34,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2024-05-05 02:00:34,844 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:34,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:34,844 INFO L85 PathProgramCache]: Analyzing trace with hash -820970911, now seen corresponding path program 1 times [2024-05-05 02:00:34,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:34,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258762972] [2024-05-05 02:00:34,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:34,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:35,034 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:00:35,034 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:35,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258762972] [2024-05-05 02:00:35,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258762972] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:35,035 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:35,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:35,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922473845] [2024-05-05 02:00:35,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:35,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:35,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:35,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:35,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:35,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:35,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:35,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:00:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:35,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-05-05 02:00:35,455 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:35,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:35,455 INFO L85 PathProgramCache]: Analyzing trace with hash -752931042, now seen corresponding path program 1 times [2024-05-05 02:00:35,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:35,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325197874] [2024-05-05 02:00:35,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:35,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:35,698 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:00:35,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:35,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325197874] [2024-05-05 02:00:35,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325197874] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:35,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:35,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:35,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727249711] [2024-05-05 02:00:35,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:35,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:35,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:36,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:36,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:36,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:36,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:36,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:00:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:36,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:36,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:36,520 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-05-05 02:00:36,520 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:36,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:36,520 INFO L85 PathProgramCache]: Analyzing trace with hash 914986936, now seen corresponding path program 1 times [2024-05-05 02:00:36,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:36,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155565811] [2024-05-05 02:00:36,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:36,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:36,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:36,873 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:00:36,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:36,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155565811] [2024-05-05 02:00:36,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155565811] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:36,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:36,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:36,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592825035] [2024-05-05 02:00:36,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:36,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:36,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:38,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:38,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:38,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:38,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:38,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:00:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:38,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2024-05-05 02:00:38,432 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:38,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:38,432 INFO L85 PathProgramCache]: Analyzing trace with hash 1148684961, now seen corresponding path program 1 times [2024-05-05 02:00:38,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:38,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063564667] [2024-05-05 02:00:38,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:38,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:38,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:00:38,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:38,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063564667] [2024-05-05 02:00:38,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063564667] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:38,769 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:38,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:38,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758183231] [2024-05-05 02:00:38,769 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:38,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:38,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:41,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:41,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:41,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:41,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:41,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:41,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2024-05-05 02:00:41,542 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:41,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:41,543 INFO L85 PathProgramCache]: Analyzing trace with hash -1591697841, now seen corresponding path program 1 times [2024-05-05 02:00:41,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:41,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563754771] [2024-05-05 02:00:41,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:41,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:41,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:42,013 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:00:42,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:42,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563754771] [2024-05-05 02:00:42,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563754771] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:42,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:42,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:42,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513273991] [2024-05-05 02:00:42,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:42,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:42,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:46,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:46,157 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:46,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:46,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2024-05-05 02:00:46,415 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2024-05-05 02:00:46,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:46,416 INFO L85 PathProgramCache]: Analyzing trace with hash 1280205071, now seen corresponding path program 1 times [2024-05-05 02:00:46,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:46,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314504387] [2024-05-05 02:00:46,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:46,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:46,530 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:46,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:46,816 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:46,816 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2024-05-05 02:00:46,817 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2024-05-05 02:00:46,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2024-05-05 02:00:46,818 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:00:46,818 WARN L233 ceAbstractionStarter]: 9 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:46,818 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 10 thread instances. [2024-05-05 02:00:46,846 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:46,848 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:46,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:46,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:46,851 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:46,853 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:46,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:46,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:46,854 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:46,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-05-05 02:00:46,856 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:46,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:46,857 INFO L85 PathProgramCache]: Analyzing trace with hash 136675965, now seen corresponding path program 1 times [2024-05-05 02:00:46,857 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2024-05-05 02:00:46,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:46,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561780824] [2024-05-05 02:00:46,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:46,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:46,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:46,869 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:46,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561780824] [2024-05-05 02:00:46,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561780824] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:46,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:46,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:46,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446087593] [2024-05-05 02:00:46,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:46,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:46,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:46,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:46,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:46,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:46,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:46,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2024-05-05 02:00:46,875 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:46,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:46,875 INFO L85 PathProgramCache]: Analyzing trace with hash 377477157, now seen corresponding path program 1 times [2024-05-05 02:00:46,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:46,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418109478] [2024-05-05 02:00:46,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:46,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:46,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:46,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:46,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [418109478] [2024-05-05 02:00:46,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [418109478] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:46,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:46,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:46,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516093615] [2024-05-05 02:00:46,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:46,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:46,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:46,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:46,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:46,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,923 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:46,924 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:46,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:46,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:46,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2024-05-05 02:00:46,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:46,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:46,981 INFO L85 PathProgramCache]: Analyzing trace with hash 1791976570, now seen corresponding path program 1 times [2024-05-05 02:00:46,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:46,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458104434] [2024-05-05 02:00:46,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:46,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:47,041 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:00:47,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:47,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458104434] [2024-05-05 02:00:47,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458104434] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:47,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:47,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:47,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612926461] [2024-05-05 02:00:47,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:47,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:47,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:47,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:47,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:47,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,049 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:47,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:00:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2024-05-05 02:00:47,157 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:47,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:47,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1799386093, now seen corresponding path program 1 times [2024-05-05 02:00:47,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:47,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1082875180] [2024-05-05 02:00:47,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:47,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:47,239 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:00:47,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:47,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1082875180] [2024-05-05 02:00:47,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1082875180] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:47,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:47,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:47,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951323968] [2024-05-05 02:00:47,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:47,240 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:47,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:47,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:47,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:47,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,265 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:47,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:00:47,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2024-05-05 02:00:47,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:47,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:47,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1981619198, now seen corresponding path program 1 times [2024-05-05 02:00:47,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:47,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562173189] [2024-05-05 02:00:47,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:47,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:47,499 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:00:47,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:47,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562173189] [2024-05-05 02:00:47,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562173189] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:47,499 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:47,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:47,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600058004] [2024-05-05 02:00:47,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:47,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:47,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:47,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:47,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:47,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:47,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:00:47,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:47,744 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2024-05-05 02:00:47,745 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:47,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:47,745 INFO L85 PathProgramCache]: Analyzing trace with hash 939461328, now seen corresponding path program 1 times [2024-05-05 02:00:47,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:47,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744374385] [2024-05-05 02:00:47,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:47,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:47,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:47,907 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:00:47,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:47,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744374385] [2024-05-05 02:00:47,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744374385] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:47,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:47,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:47,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630423428] [2024-05-05 02:00:47,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:47,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:47,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:48,142 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:48,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:48,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:48,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:48,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:00:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:48,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-05-05 02:00:48,341 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:48,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:48,341 INFO L85 PathProgramCache]: Analyzing trace with hash 2068782137, now seen corresponding path program 1 times [2024-05-05 02:00:48,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:48,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142408189] [2024-05-05 02:00:48,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:48,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:48,579 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:00:48,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:48,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142408189] [2024-05-05 02:00:48,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142408189] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:48,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:48,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:48,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952094615] [2024-05-05 02:00:48,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:48,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:48,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:49,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:49,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:49,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:49,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:49,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:00:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:49,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-05-05 02:00:49,375 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:49,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:49,376 INFO L85 PathProgramCache]: Analyzing trace with hash -135368232, now seen corresponding path program 1 times [2024-05-05 02:00:49,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:49,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162142778] [2024-05-05 02:00:49,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:49,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:49,663 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:00:49,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:49,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162142778] [2024-05-05 02:00:49,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162142778] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:49,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:49,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:49,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590553234] [2024-05-05 02:00:49,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:49,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:49,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:50,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:50,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:50,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:50,816 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:50,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:00:50,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:50,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:50,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:50,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:50,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:50,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:50,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:50,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:51,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:51,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:51,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:51,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:51,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2024-05-05 02:00:51,191 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:51,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:51,192 INFO L85 PathProgramCache]: Analyzing trace with hash 2045212953, now seen corresponding path program 1 times [2024-05-05 02:00:51,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:51,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427721147] [2024-05-05 02:00:51,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:51,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:00:51,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:51,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427721147] [2024-05-05 02:00:51,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427721147] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:51,527 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:51,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:51,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751095575] [2024-05-05 02:00:51,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:51,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:51,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:53,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:53,783 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:53,783 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:53,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:53,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:54,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2024-05-05 02:00:54,206 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:54,206 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:54,206 INFO L85 PathProgramCache]: Analyzing trace with hash 739625211, now seen corresponding path program 1 times [2024-05-05 02:00:54,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:54,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765436182] [2024-05-05 02:00:54,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:54,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:54,650 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:00:54,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:54,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765436182] [2024-05-05 02:00:54,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765436182] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:54,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:54,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:54,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486799532] [2024-05-05 02:00:54,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:54,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:54,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:58,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:58,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:58,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:58,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:58,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:58,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:59,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:59,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:00:59,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-05-05 02:00:59,321 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 9 more)] === [2024-05-05 02:00:59,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:59,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1081549419, now seen corresponding path program 1 times [2024-05-05 02:00:59,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:59,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337650320] [2024-05-05 02:00:59,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:59,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:59,422 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:00:59,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:00:59,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:00:59,826 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:00:59,826 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-05-05 02:00:59,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2024-05-05 02:00:59,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 12 remaining) [2024-05-05 02:00:59,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2024-05-05 02:00:59,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 12 remaining) [2024-05-05 02:00:59,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2024-05-05 02:00:59,826 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2024-05-05 02:00:59,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 12 remaining) [2024-05-05 02:00:59,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2024-05-05 02:00:59,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2024-05-05 02:00:59,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2024-05-05 02:00:59,827 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 12 remaining) [2024-05-05 02:00:59,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-05-05 02:00:59,828 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:00:59,828 WARN L233 ceAbstractionStarter]: 10 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:00:59,828 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 11 thread instances. [2024-05-05 02:00:59,858 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:00:59,860 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:00:59,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:00:59,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:00:59,863 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:00:59,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-05-05 02:00:59,886 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:00:59,886 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:59,886 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:00:59,887 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:00:59,887 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-05-05 02:00:59,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:00:59,889 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:59,889 INFO L85 PathProgramCache]: Analyzing trace with hash 2068699248, now seen corresponding path program 1 times [2024-05-05 02:00:59,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:59,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715689097] [2024-05-05 02:00:59,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:59,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:59,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:59,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:59,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715689097] [2024-05-05 02:00:59,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1715689097] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:59,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:59,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:00:59,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218992199] [2024-05-05 02:00:59,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:59,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:00:59,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:59,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:00:59,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:00:59,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:59,903 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:59,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:00:59,903 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:59,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:59,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-05-05 02:00:59,906 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:00:59,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:00:59,906 INFO L85 PathProgramCache]: Analyzing trace with hash 631623260, now seen corresponding path program 1 times [2024-05-05 02:00:59,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:00:59,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679556421] [2024-05-05 02:00:59,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:00:59,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:00:59,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:00:59,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:00:59,952 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:00:59,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679556421] [2024-05-05 02:00:59,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679556421] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:00:59,952 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:00:59,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:00:59,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840299764] [2024-05-05 02:00:59,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:00:59,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:00:59,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:00:59,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:00:59,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:00:59,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:59,954 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:00:59,954 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:00:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:00:59,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable75 [2024-05-05 02:01:00,005 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:00,005 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:00,006 INFO L85 PathProgramCache]: Analyzing trace with hash -1998740839, now seen corresponding path program 1 times [2024-05-05 02:01:00,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:00,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333894922] [2024-05-05 02:01:00,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:00,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:00,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:00,067 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:01:00,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:00,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333894922] [2024-05-05 02:01:00,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333894922] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:00,068 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:00,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:00,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1357388768] [2024-05-05 02:01:00,068 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:00,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:00,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:00,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:00,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:00,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:00,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:01:00,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-05-05 02:01:00,150 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:00,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:00,150 INFO L85 PathProgramCache]: Analyzing trace with hash 322994788, now seen corresponding path program 1 times [2024-05-05 02:01:00,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:00,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805329633] [2024-05-05 02:01:00,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:00,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:00,251 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:01:00,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:00,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805329633] [2024-05-05 02:01:00,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805329633] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:00,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:00,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:00,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396145480] [2024-05-05 02:01:00,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:00,252 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:00,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:00,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:00,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:00,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,277 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:00,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:01:00,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-05-05 02:01:00,378 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:00,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:00,379 INFO L85 PathProgramCache]: Analyzing trace with hash -757571039, now seen corresponding path program 1 times [2024-05-05 02:01:00,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:00,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1531152047] [2024-05-05 02:01:00,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:00,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:00,491 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:01:00,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:00,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1531152047] [2024-05-05 02:01:00,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1531152047] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:00,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:00,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:00,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1877151388] [2024-05-05 02:01:00,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:00,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:00,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:00,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:00,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:00,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:01:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:00,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78 [2024-05-05 02:01:00,710 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:00,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:00,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1272194422, now seen corresponding path program 1 times [2024-05-05 02:01:00,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:00,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397365156] [2024-05-05 02:01:00,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:00,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:00,860 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:01:00,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:00,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397365156] [2024-05-05 02:01:00,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397365156] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:00,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:00,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:00,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535795695] [2024-05-05 02:01:00,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:00,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:00,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:01,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:01,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:01,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:01,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:01,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:01:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:01,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable79 [2024-05-05 02:01:01,268 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:01,268 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:01,268 INFO L85 PathProgramCache]: Analyzing trace with hash 414193671, now seen corresponding path program 1 times [2024-05-05 02:01:01,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:01,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776136431] [2024-05-05 02:01:01,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:01,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:01,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:01,497 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:01:01,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:01,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776136431] [2024-05-05 02:01:01,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776136431] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:01,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:01,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:01,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026750928] [2024-05-05 02:01:01,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:01,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:01,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:02,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:02,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:02,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:02,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:02,039 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:01:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:02,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:02,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-05-05 02:01:02,259 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:02,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:02,260 INFO L85 PathProgramCache]: Analyzing trace with hash -76495833, now seen corresponding path program 1 times [2024-05-05 02:01:02,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:02,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18599818] [2024-05-05 02:01:02,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:02,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:01:02,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:02,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18599818] [2024-05-05 02:01:02,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18599818] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:02,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:02,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:02,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473567220] [2024-05-05 02:01:02,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:02,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:02,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:03,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:03,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:03,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:03,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:03,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:03,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:04,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:04,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:04,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable81 [2024-05-05 02:01:04,050 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:04,050 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:04,050 INFO L85 PathProgramCache]: Analyzing trace with hash 1405465476, now seen corresponding path program 1 times [2024-05-05 02:01:04,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:04,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656044414] [2024-05-05 02:01:04,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:04,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:01:04,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:04,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656044414] [2024-05-05 02:01:04,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656044414] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:04,435 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:04,435 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:04,435 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878601474] [2024-05-05 02:01:04,435 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:04,436 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:04,436 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:06,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:06,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:06,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:06,700 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:06,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:01:06,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:06,701 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:07,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82 [2024-05-05 02:01:07,061 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:07,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:07,061 INFO L85 PathProgramCache]: Analyzing trace with hash 1179164152, now seen corresponding path program 1 times [2024-05-05 02:01:07,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:07,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310192682] [2024-05-05 02:01:07,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:07,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:07,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:07,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:01:07,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:07,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310192682] [2024-05-05 02:01:07,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310192682] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:07,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:07,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:07,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101431660] [2024-05-05 02:01:07,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:07,464 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:07,464 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:11,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:11,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:11,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:11,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:11,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:11,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:11,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83 [2024-05-05 02:01:11,968 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:11,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:11,968 INFO L85 PathProgramCache]: Analyzing trace with hash 16368482, now seen corresponding path program 1 times [2024-05-05 02:01:11,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:11,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677484314] [2024-05-05 02:01:11,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:11,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:12,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:12,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2024-05-05 02:01:12,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:12,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677484314] [2024-05-05 02:01:12,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677484314] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:12,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:12,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:12,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796386877] [2024-05-05 02:01:12,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:12,541 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:12,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:19,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:19,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:19,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:19,917 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:19,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 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) [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:19,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:20,392 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-05-05 02:01:20,392 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:20,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:20,392 INFO L85 PathProgramCache]: Analyzing trace with hash 429504643, now seen corresponding path program 1 times [2024-05-05 02:01:20,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:20,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059267124] [2024-05-05 02:01:20,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:20,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 3068 backedges. 2889 proven. 179 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:01:21,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:21,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059267124] [2024-05-05 02:01:21,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059267124] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:01:21,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979568043] [2024-05-05 02:01:21,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:21,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:01:21,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:01:21,350 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:01:21,351 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-05 02:01:22,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:22,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 1997 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-05 02:01:22,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 02:01:23,039 INFO L134 CoverageAnalysis]: Checked inductivity of 3068 backedges. 3068 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:01:23,039 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 02:01:23,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979568043] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:23,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 02:01:23,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [15] total 17 [2024-05-05 02:01:23,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904254633] [2024-05-05 02:01:23,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:23,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:01:23,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:33,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:01:33,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2024-05-05 02:01:33,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:33,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:33,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 73.85714285714286) internal successors, (1034), 14 states have internal predecessors, (1034), 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) [2024-05-05 02:01:33,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:33,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:33,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:34,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:34,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:01:34,162 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-05 02:01:34,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable85 [2024-05-05 02:01:34,359 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 10 more)] === [2024-05-05 02:01:34,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:34,359 INFO L85 PathProgramCache]: Analyzing trace with hash 8422616, now seen corresponding path program 1 times [2024-05-05 02:01:34,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:34,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957714094] [2024-05-05 02:01:34,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:34,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:01:34,491 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:01:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:01:35,036 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:01:35,036 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 13 remaining) [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 13 remaining) [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 13 remaining) [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 13 remaining) [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 13 remaining) [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 13 remaining) [2024-05-05 02:01:35,036 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 13 remaining) [2024-05-05 02:01:35,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 13 remaining) [2024-05-05 02:01:35,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 13 remaining) [2024-05-05 02:01:35,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 13 remaining) [2024-05-05 02:01:35,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 13 remaining) [2024-05-05 02:01:35,037 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 13 remaining) [2024-05-05 02:01:35,037 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86 [2024-05-05 02:01:35,037 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:01:35,038 WARN L233 ceAbstractionStarter]: 11 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:01:35,038 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 12 thread instances. [2024-05-05 02:01:35,069 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:01:35,072 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:01:35,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:01:35,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:01:35,073 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:01:35,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Waiting until timeout for monitored process [2024-05-05 02:01:35,105 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:01:35,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:35,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:01:35,106 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:01:35,106 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2024-05-05 02:01:35,108 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:35,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:35,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1117830268, now seen corresponding path program 1 times [2024-05-05 02:01:35,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:35,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702967437] [2024-05-05 02:01:35,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:35,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:35,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:01:35,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:35,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702967437] [2024-05-05 02:01:35,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702967437] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:35,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:35,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:01:35,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561322727] [2024-05-05 02:01:35,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:35,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:01:35,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:35,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:01:35,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:01:35,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:35,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:01:35,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable87 [2024-05-05 02:01:35,126 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:35,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:35,126 INFO L85 PathProgramCache]: Analyzing trace with hash -886421616, now seen corresponding path program 1 times [2024-05-05 02:01:35,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:35,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178234712] [2024-05-05 02:01:35,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:35,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:35,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:35,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:01:35,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:35,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178234712] [2024-05-05 02:01:35,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178234712] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:35,170 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:35,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:35,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131640429] [2024-05-05 02:01:35,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:35,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:35,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:35,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:35,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:35,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:35,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:01:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88 [2024-05-05 02:01:35,223 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:35,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:35,223 INFO L85 PathProgramCache]: Analyzing trace with hash -1399422934, now seen corresponding path program 1 times [2024-05-05 02:01:35,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:35,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644358281] [2024-05-05 02:01:35,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:35,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:01:35,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:35,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644358281] [2024-05-05 02:01:35,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644358281] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:35,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:35,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:35,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1991945748] [2024-05-05 02:01:35,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:35,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:35,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:35,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:35,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:35,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,290 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:35,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:01:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable89 [2024-05-05 02:01:35,365 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:35,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:35,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1941001593, now seen corresponding path program 1 times [2024-05-05 02:01:35,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:35,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138427867] [2024-05-05 02:01:35,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:35,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:35,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:01:35,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:35,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138427867] [2024-05-05 02:01:35,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138427867] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:35,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:35,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:35,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2029154737] [2024-05-05 02:01:35,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:35,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:35,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:35,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:35,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:35,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,469 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:35,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:01:35,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,469 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90 [2024-05-05 02:01:35,574 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:35,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:35,574 INFO L85 PathProgramCache]: Analyzing trace with hash -685998067, now seen corresponding path program 1 times [2024-05-05 02:01:35,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:35,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992682569] [2024-05-05 02:01:35,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:35,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:35,754 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:01:35,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:35,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992682569] [2024-05-05 02:01:35,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992682569] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:35,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:35,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:35,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518417527] [2024-05-05 02:01:35,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:35,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:35,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:35,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:35,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:35,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,835 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:35,835 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:01:35,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:35,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:35,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable91 [2024-05-05 02:01:35,986 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:35,986 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:35,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1253775821, now seen corresponding path program 1 times [2024-05-05 02:01:35,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:35,987 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046858757] [2024-05-05 02:01:35,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:35,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:36,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:36,151 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:01:36,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:36,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046858757] [2024-05-05 02:01:36,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046858757] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:36,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:36,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:36,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650749641] [2024-05-05 02:01:36,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:36,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:36,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:36,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:36,385 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:36,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:36,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:36,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:01:36,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:36,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:36,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable92 [2024-05-05 02:01:36,578 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:36,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash -781462201, now seen corresponding path program 1 times [2024-05-05 02:01:36,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:36,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068202450] [2024-05-05 02:01:36,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:36,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:36,810 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:01:36,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:36,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068202450] [2024-05-05 02:01:36,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068202450] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:36,811 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:36,811 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:36,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274247966] [2024-05-05 02:01:36,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:36,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:36,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:37,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:37,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:37,489 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:37,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:01:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:37,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2024-05-05 02:01:37,745 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:37,745 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:37,745 INFO L85 PathProgramCache]: Analyzing trace with hash -584447740, now seen corresponding path program 1 times [2024-05-05 02:01:37,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:37,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2135087730] [2024-05-05 02:01:37,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:37,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:38,018 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:01:38,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:38,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2135087730] [2024-05-05 02:01:38,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2135087730] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:38,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:38,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:38,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617697521] [2024-05-05 02:01:38,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:38,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:38,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:39,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:39,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:39,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:39,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:39,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:39,523 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2024-05-05 02:01:39,523 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:39,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:39,524 INFO L85 PathProgramCache]: Analyzing trace with hash -2126965416, now seen corresponding path program 1 times [2024-05-05 02:01:39,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:39,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262155364] [2024-05-05 02:01:39,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:39,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:39,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:01:39,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:39,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262155364] [2024-05-05 02:01:39,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262155364] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:39,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:39,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:39,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491073784] [2024-05-05 02:01:39,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:39,830 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:39,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:42,128 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:42,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:42,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:42,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:42,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:42,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable95 [2024-05-05 02:01:42,563 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:42,563 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:42,563 INFO L85 PathProgramCache]: Analyzing trace with hash -375546714, now seen corresponding path program 1 times [2024-05-05 02:01:42,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:42,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1036319803] [2024-05-05 02:01:42,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:42,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:42,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:42,978 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:01:42,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:42,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1036319803] [2024-05-05 02:01:42,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1036319803] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:42,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:42,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:42,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479090467] [2024-05-05 02:01:42,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:42,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:42,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:47,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:47,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:47,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:47,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:47,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:47,699 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable96 [2024-05-05 02:01:47,699 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:47,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:47,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1306668005, now seen corresponding path program 1 times [2024-05-05 02:01:47,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:47,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [929970707] [2024-05-05 02:01:47,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:47,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:48,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2024-05-05 02:01:48,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:48,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [929970707] [2024-05-05 02:01:48,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [929970707] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:48,209 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:48,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:48,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1120588155] [2024-05-05 02:01:48,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:48,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:48,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:01:55,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:01:55,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:01:55,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:55,820 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:01:55,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 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) [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:55,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:01:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:01:56,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable97 [2024-05-05 02:01:56,531 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:01:56,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:01:56,532 INFO L85 PathProgramCache]: Analyzing trace with hash 224313058, now seen corresponding path program 1 times [2024-05-05 02:01:56,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:01:56,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287638850] [2024-05-05 02:01:56,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:01:56,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:01:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:01:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2024-05-05 02:01:57,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:01:57,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287638850] [2024-05-05 02:01:57,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287638850] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:01:57,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:01:57,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:01:57,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012963546] [2024-05-05 02:01:57,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:01:57,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:01:57,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:08,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:08,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:08,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:08,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:08,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.166666666666664) internal successors, (331), 6 states have internal predecessors, (331), 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) [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:08,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:09,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable98 [2024-05-05 02:02:09,496 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:02:09,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:09,496 INFO L85 PathProgramCache]: Analyzing trace with hash -1036432181, now seen corresponding path program 1 times [2024-05-05 02:02:09,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:09,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021064331] [2024-05-05 02:02:09,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:09,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 3918 backedges. 3913 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:02:10,392 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:10,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021064331] [2024-05-05 02:02:10,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021064331] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:10,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:10,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:02:10,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306057599] [2024-05-05 02:02:10,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:10,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:02:10,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:26,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:02:26,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:02:26,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:26,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:26,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 84.5) internal successors, (1183), 14 states have internal predecessors, (1183), 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) [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:26,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:27,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:02:27,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable99 [2024-05-05 02:02:27,107 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:02:27,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:27,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1897263784, now seen corresponding path program 1 times [2024-05-05 02:02:27,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:27,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611495669] [2024-05-05 02:02:27,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:27,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:28,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 3610 proven. 198 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:02:28,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:28,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611495669] [2024-05-05 02:02:28,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611495669] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:02:28,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1353570161] [2024-05-05 02:02:28,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:28,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:02:28,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:02:28,154 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:02:28,158 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-05 02:02:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:29,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 2268 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-05 02:02:29,138 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 02:02:30,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 3707 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-05 02:02:30,019 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 02:02:30,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1353570161] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:30,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 02:02:30,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [16] total 18 [2024-05-05 02:02:30,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1925804172] [2024-05-05 02:02:30,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:30,021 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:02:30,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:44,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:02:44,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=204, Unknown=0, NotChecked=0, Total=306 [2024-05-05 02:02:44,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:44,048 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:44,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 77.07142857142857) internal successors, (1079), 14 states have internal predecessors, (1079), 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) [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:02:44,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:02:45,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:02:45,034 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-05 02:02:45,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable100 [2024-05-05 02:02:45,234 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 11 more)] === [2024-05-05 02:02:45,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:45,235 INFO L85 PathProgramCache]: Analyzing trace with hash 979294033, now seen corresponding path program 1 times [2024-05-05 02:02:45,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:45,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688912306] [2024-05-05 02:02:45,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:45,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:02:45,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:02:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:02:46,052 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:02:46,052 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:02:46,052 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (13 of 14 remaining) [2024-05-05 02:02:46,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 14 remaining) [2024-05-05 02:02:46,052 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 14 remaining) [2024-05-05 02:02:46,053 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 14 remaining) [2024-05-05 02:02:46,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable101 [2024-05-05 02:02:46,054 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:02:46,054 WARN L233 ceAbstractionStarter]: 12 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:02:46,054 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 13 thread instances. [2024-05-05 02:02:46,088 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:02:46,091 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:02:46,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:02:46,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:02:46,092 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:02:46,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Waiting until timeout for monitored process [2024-05-05 02:02:46,122 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:02:46,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:46,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:02:46,122 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:02:46,122 INFO L358 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2024-05-05 02:02:46,125 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:46,125 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:46,125 INFO L85 PathProgramCache]: Analyzing trace with hash 82230243, now seen corresponding path program 1 times [2024-05-05 02:02:46,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:46,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219783852] [2024-05-05 02:02:46,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:46,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:46,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:46,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:02:46,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:46,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219783852] [2024-05-05 02:02:46,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219783852] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:46,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:46,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:02:46,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453892305] [2024-05-05 02:02:46,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:46,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:02:46,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:46,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:02:46,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:02:46,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:46,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:02:46,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable102 [2024-05-05 02:02:46,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:46,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:46,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1033518059, now seen corresponding path program 1 times [2024-05-05 02:02:46,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:46,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165640532] [2024-05-05 02:02:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:46,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:46,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:02:46,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:46,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165640532] [2024-05-05 02:02:46,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165640532] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:46,189 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:46,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:46,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527662115] [2024-05-05 02:02:46,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:46,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:46,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:46,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:46,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:46,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:46,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:02:46,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable103 [2024-05-05 02:02:46,239 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:46,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:46,239 INFO L85 PathProgramCache]: Analyzing trace with hash -189378013, now seen corresponding path program 1 times [2024-05-05 02:02:46,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:46,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286261695] [2024-05-05 02:02:46,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:46,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:46,320 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:02:46,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:46,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286261695] [2024-05-05 02:02:46,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286261695] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:46,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:46,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:46,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515066674] [2024-05-05 02:02:46,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:46,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:46,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:46,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:46,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:46,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:46,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:02:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable104 [2024-05-05 02:02:46,406 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:46,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:46,406 INFO L85 PathProgramCache]: Analyzing trace with hash -790155434, now seen corresponding path program 1 times [2024-05-05 02:02:46,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:46,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20679877] [2024-05-05 02:02:46,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:46,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:46,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:46,488 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:02:46,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:46,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20679877] [2024-05-05 02:02:46,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20679877] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:46,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:46,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:46,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845562808] [2024-05-05 02:02:46,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:46,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:46,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:46,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:46,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,513 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:46,513 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:02:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable105 [2024-05-05 02:02:46,615 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:46,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:46,616 INFO L85 PathProgramCache]: Analyzing trace with hash 298565291, now seen corresponding path program 1 times [2024-05-05 02:02:46,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:46,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148520135] [2024-05-05 02:02:46,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:46,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:46,727 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:02:46,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:46,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148520135] [2024-05-05 02:02:46,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148520135] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:46,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:46,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:46,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590061957] [2024-05-05 02:02:46,728 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:46,728 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:46,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:46,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:46,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:46,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:46,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:02:46,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:46,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable106 [2024-05-05 02:02:46,949 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:46,949 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:46,949 INFO L85 PathProgramCache]: Analyzing trace with hash 206338017, now seen corresponding path program 1 times [2024-05-05 02:02:46,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:46,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276124093] [2024-05-05 02:02:46,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:46,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:02:47,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:47,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276124093] [2024-05-05 02:02:47,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276124093] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:47,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:47,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:47,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223808119] [2024-05-05 02:02:47,099 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:47,099 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:47,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:47,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:47,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:47,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:47,444 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:47,445 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:02:47,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:47,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:47,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107 [2024-05-05 02:02:47,631 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:47,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:47,631 INFO L85 PathProgramCache]: Analyzing trace with hash -1675501607, now seen corresponding path program 1 times [2024-05-05 02:02:47,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:47,631 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607548584] [2024-05-05 02:02:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:47,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:47,825 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:02:47,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:47,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607548584] [2024-05-05 02:02:47,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607548584] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:47,826 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:47,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:47,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984366652] [2024-05-05 02:02:47,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:47,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:47,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:48,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:48,366 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:48,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:48,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:48,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:02:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:48,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:48,665 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108 [2024-05-05 02:02:48,665 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:48,665 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:48,665 INFO L85 PathProgramCache]: Analyzing trace with hash -751381812, now seen corresponding path program 1 times [2024-05-05 02:02:48,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:48,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971165978] [2024-05-05 02:02:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:48,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:48,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:48,932 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:02:48,932 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:48,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971165978] [2024-05-05 02:02:48,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971165978] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:48,932 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:48,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:48,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729714359] [2024-05-05 02:02:48,932 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:48,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:48,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:50,103 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:50,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:50,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:50,103 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:50,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:50,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109 [2024-05-05 02:02:50,426 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:50,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:50,427 INFO L85 PathProgramCache]: Analyzing trace with hash -469624854, now seen corresponding path program 1 times [2024-05-05 02:02:50,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:50,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151391073] [2024-05-05 02:02:50,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:50,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:50,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:02:50,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:50,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151391073] [2024-05-05 02:02:50,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151391073] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:50,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:50,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:50,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657623834] [2024-05-05 02:02:50,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:50,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:50,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:53,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:53,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:53,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:53,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:53,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:53,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110 [2024-05-05 02:02:53,602 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:53,602 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:53,602 INFO L85 PathProgramCache]: Analyzing trace with hash 945410782, now seen corresponding path program 1 times [2024-05-05 02:02:53,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:53,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904806840] [2024-05-05 02:02:53,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:53,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:53,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:02:53,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:53,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904806840] [2024-05-05 02:02:53,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1904806840] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:53,991 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:53,991 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:53,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979537285] [2024-05-05 02:02:53,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:53,991 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:53,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:02:58,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:02:58,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:02:58,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:58,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:02:58,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:02:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,176 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:02:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:02:58,818 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable111 [2024-05-05 02:02:58,818 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:02:58,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:02:58,819 INFO L85 PathProgramCache]: Analyzing trace with hash 658137800, now seen corresponding path program 1 times [2024-05-05 02:02:58,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:02:58,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173345334] [2024-05-05 02:02:58,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:02:58,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:02:58,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:02:59,438 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2024-05-05 02:02:59,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:02:59,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173345334] [2024-05-05 02:02:59,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173345334] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:02:59,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:02:59,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:02:59,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263711930] [2024-05-05 02:02:59,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:02:59,439 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:02:59,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:03:06,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:03:06,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:03:06,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:06,757 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:03:06,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 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) [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:06,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:07,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:07,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable112 [2024-05-05 02:03:07,443 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:03:07,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:03:07,443 INFO L85 PathProgramCache]: Analyzing trace with hash 528097681, now seen corresponding path program 1 times [2024-05-05 02:03:07,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:03:07,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893171415] [2024-05-05 02:03:07,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:03:07,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:03:07,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:03:08,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2024-05-05 02:03:08,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:03:08,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893171415] [2024-05-05 02:03:08,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893171415] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:03:08,142 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:03:08,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:03:08,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669853744] [2024-05-05 02:03:08,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:03:08,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:03:08,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:03:19,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:03:19,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:03:19,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:19,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:03:19,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.166666666666664) internal successors, (331), 6 states have internal predecessors, (331), 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) [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:19,840 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:20,703 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable113 [2024-05-05 02:03:20,703 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:03:20,703 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:03:20,703 INFO L85 PathProgramCache]: Analyzing trace with hash -2109538907, now seen corresponding path program 1 times [2024-05-05 02:03:20,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:03:20,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124342272] [2024-05-05 02:03:20,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:03:20,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:03:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:03:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 3978 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3978 trivial. 0 not checked. [2024-05-05 02:03:21,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:03:21,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124342272] [2024-05-05 02:03:21,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124342272] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:03:21,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:03:21,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:03:21,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536815965] [2024-05-05 02:03:21,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:03:21,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:03:21,557 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:03:40,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:03:40,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:03:40,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:40,696 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:03:40,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 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) [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:40,697 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:41,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:03:41,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable114 [2024-05-05 02:03:41,515 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:03:41,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:03:41,515 INFO L85 PathProgramCache]: Analyzing trace with hash -896410185, now seen corresponding path program 1 times [2024-05-05 02:03:41,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:03:41,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933572180] [2024-05-05 02:03:41,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:03:41,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:03:41,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:03:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 4907 backedges. 4802 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-05-05 02:03:42,543 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:03:42,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933572180] [2024-05-05 02:03:42,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933572180] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:03:42,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:03:42,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:03:42,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767860161] [2024-05-05 02:03:42,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:03:42,544 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:03:42,544 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:05,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:04:05,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:04:05,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:05,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:05,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 89.21428571428571) internal successors, (1249), 14 states have internal predecessors, (1249), 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) [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:05,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:06,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:06,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable115 [2024-05-05 02:04:06,964 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:04:06,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:06,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1602684110, now seen corresponding path program 1 times [2024-05-05 02:04:06,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:06,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [333882095] [2024-05-05 02:04:06,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:06,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:07,975 INFO L134 CoverageAnalysis]: Checked inductivity of 4665 backedges. 4636 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-05 02:04:07,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:07,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [333882095] [2024-05-05 02:04:07,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [333882095] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:07,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:07,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:04:07,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659777409] [2024-05-05 02:04:07,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:07,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:04:07,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:29,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:04:29,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:04:29,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:29,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:29,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 93.5) internal successors, (1309), 14 states have internal predecessors, (1309), 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) [2024-05-05 02:04:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:29,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:29,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:29,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable116 [2024-05-05 02:04:29,867 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:04:29,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:29,868 INFO L85 PathProgramCache]: Analyzing trace with hash -959378627, now seen corresponding path program 1 times [2024-05-05 02:04:29,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:29,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899678406] [2024-05-05 02:04:29,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:29,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:29,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:31,207 INFO L134 CoverageAnalysis]: Checked inductivity of 4555 backedges. 4338 proven. 217 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:04:31,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:31,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899678406] [2024-05-05 02:04:31,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899678406] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:04:31,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571142707] [2024-05-05 02:04:31,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:31,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:04:31,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:04:31,212 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:04:31,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-05 02:04:32,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:32,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 2539 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-05 02:04:32,365 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 02:04:33,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4555 backedges. 4249 proven. 0 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-05-05 02:04:33,309 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 02:04:33,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571142707] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:33,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 02:04:33,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [17] total 19 [2024-05-05 02:04:33,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006905160] [2024-05-05 02:04:33,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:33,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:04:33,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:51,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:04:51,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2024-05-05 02:04:51,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:51,256 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:51,256 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 79.21428571428571) internal successors, (1109), 14 states have internal predecessors, (1109), 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) [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:51,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:52,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:52,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:04:52,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-05 02:04:52,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable117 [2024-05-05 02:04:52,910 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 12 more)] === [2024-05-05 02:04:52,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:52,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1980202551, now seen corresponding path program 1 times [2024-05-05 02:04:52,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:52,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143110088] [2024-05-05 02:04:52,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:52,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:04:53,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:04:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:04:53,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:04:53,927 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (14 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 15 remaining) [2024-05-05 02:04:53,927 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 15 remaining) [2024-05-05 02:04:53,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 15 remaining) [2024-05-05 02:04:53,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 15 remaining) [2024-05-05 02:04:53,928 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 15 remaining) [2024-05-05 02:04:53,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable118 [2024-05-05 02:04:53,929 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:04:53,929 WARN L233 ceAbstractionStarter]: 13 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:04:53,929 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 14 thread instances. [2024-05-05 02:04:53,967 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:04:53,970 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:04:53,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:04:53,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:04:53,971 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:04:53,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2024-05-05 02:04:53,995 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:04:53,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:53,995 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:04:53,995 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:04:53,996 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-05-05 02:04:53,998 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:53,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:53,998 INFO L85 PathProgramCache]: Analyzing trace with hash 1032118597, now seen corresponding path program 1 times [2024-05-05 02:04:53,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:53,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946901933] [2024-05-05 02:04:53,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:53,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:54,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:54,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:04:54,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:54,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946901933] [2024-05-05 02:04:54,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946901933] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:54,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:54,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:04:54,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776747174] [2024-05-05 02:04:54,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:54,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:04:54,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:54,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:04:54,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:04:54,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:54,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:04:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable119 [2024-05-05 02:04:54,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:54,020 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:54,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1754680101, now seen corresponding path program 1 times [2024-05-05 02:04:54,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:54,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580647194] [2024-05-05 02:04:54,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:54,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:04:54,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:54,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580647194] [2024-05-05 02:04:54,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580647194] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:54,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:54,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:54,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398270801] [2024-05-05 02:04:54,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:54,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:54,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:54,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:04:54,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:04:54,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:54,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:04:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable120 [2024-05-05 02:04:54,127 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:54,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:54,127 INFO L85 PathProgramCache]: Analyzing trace with hash 942309698, now seen corresponding path program 1 times [2024-05-05 02:04:54,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:54,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801151387] [2024-05-05 02:04:54,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:54,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:54,199 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:04:54,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:54,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801151387] [2024-05-05 02:04:54,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801151387] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:54,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:54,200 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:54,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227130523] [2024-05-05 02:04:54,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:54,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:54,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:54,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:04:54,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:04:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:54,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:04:54,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable121 [2024-05-05 02:04:54,311 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:54,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:54,312 INFO L85 PathProgramCache]: Analyzing trace with hash -1055854614, now seen corresponding path program 1 times [2024-05-05 02:04:54,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:54,312 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883914174] [2024-05-05 02:04:54,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:54,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:54,426 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:04:54,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:54,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883914174] [2024-05-05 02:04:54,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883914174] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:54,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:54,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:54,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165969435] [2024-05-05 02:04:54,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:54,427 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:54,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:54,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:04:54,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:04:54,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:54,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:04:54,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable122 [2024-05-05 02:04:54,548 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:54,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:54,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1260055615, now seen corresponding path program 1 times [2024-05-05 02:04:54,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:54,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515783272] [2024-05-05 02:04:54,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:54,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:54,657 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:04:54,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:54,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515783272] [2024-05-05 02:04:54,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1515783272] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:54,658 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:54,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:54,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900595387] [2024-05-05 02:04:54,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:54,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:54,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:54,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:04:54,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:04:54,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,741 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:54,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:04:54,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:54,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable123 [2024-05-05 02:04:54,888 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:54,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:54,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1328194827, now seen corresponding path program 1 times [2024-05-05 02:04:54,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:54,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1698501912] [2024-05-05 02:04:54,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:54,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:54,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:55,044 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:04:55,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:55,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1698501912] [2024-05-05 02:04:55,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1698501912] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:55,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:55,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:55,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604032394] [2024-05-05 02:04:55,045 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:55,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:55,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:55,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:04:55,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:04:55,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:55,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:55,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:04:55,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:55,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:55,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable124 [2024-05-05 02:04:55,502 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:55,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:55,502 INFO L85 PathProgramCache]: Analyzing trace with hash 1249530014, now seen corresponding path program 1 times [2024-05-05 02:04:55,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:55,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978799646] [2024-05-05 02:04:55,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:55,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:04:55,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:55,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978799646] [2024-05-05 02:04:55,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [978799646] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:55,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:55,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:55,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267849198] [2024-05-05 02:04:55,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:55,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:55,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:56,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:04:56,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:04:56,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:56,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:56,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:04:56,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:56,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:56,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:56,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable125 [2024-05-05 02:04:56,485 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:56,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:56,485 INFO L85 PathProgramCache]: Analyzing trace with hash 310759494, now seen corresponding path program 1 times [2024-05-05 02:04:56,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:56,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1230734257] [2024-05-05 02:04:56,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:56,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:56,739 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:04:56,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:56,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1230734257] [2024-05-05 02:04:56,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1230734257] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:56,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:56,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:56,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067540387] [2024-05-05 02:04:56,740 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:56,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:56,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:04:57,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:04:57,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:04:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:57,915 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:04:57,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:57,915 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:58,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:04:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:58,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:04:58,228 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable126 [2024-05-05 02:04:58,228 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:04:58,228 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:04:58,228 INFO L85 PathProgramCache]: Analyzing trace with hash -609902410, now seen corresponding path program 1 times [2024-05-05 02:04:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:04:58,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356443065] [2024-05-05 02:04:58,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:04:58,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:04:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:04:58,565 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:04:58,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:04:58,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356443065] [2024-05-05 02:04:58,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356443065] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:04:58,566 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:04:58,566 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:04:58,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108880897] [2024-05-05 02:04:58,566 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:04:58,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:04:58,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:05:00,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:05:00,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:05:00,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:00,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:05:00,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:00,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:01,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:01,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable127 [2024-05-05 02:05:01,315 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:05:01,316 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:05:01,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1072279552, now seen corresponding path program 1 times [2024-05-05 02:05:01,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:05:01,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926509011] [2024-05-05 02:05:01,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:05:01,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:05:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:05:01,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:05:01,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:05:01,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926509011] [2024-05-05 02:05:01,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926509011] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:05:01,722 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:05:01,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:05:01,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192829125] [2024-05-05 02:05:01,723 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:05:01,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:05:01,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:05:05,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:05:05,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:05:05,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:05,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:05:05,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:05:05,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:05,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:05,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:06,512 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable128 [2024-05-05 02:05:06,512 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:05:06,512 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:05:06,512 INFO L85 PathProgramCache]: Analyzing trace with hash -2006489659, now seen corresponding path program 1 times [2024-05-05 02:05:06,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:05:06,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869514784] [2024-05-05 02:05:06,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:05:06,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:05:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:05:07,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2024-05-05 02:05:07,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:05:07,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869514784] [2024-05-05 02:05:07,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869514784] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:05:07,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:05:07,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:05:07,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303389638] [2024-05-05 02:05:07,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:05:07,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:05:07,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:05:14,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:05:14,426 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:05:14,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:14,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:05:14,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 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) [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:14,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:15,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable129 [2024-05-05 02:05:15,116 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:05:15,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:05:15,117 INFO L85 PathProgramCache]: Analyzing trace with hash 576437614, now seen corresponding path program 1 times [2024-05-05 02:05:15,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:05:15,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793406868] [2024-05-05 02:05:15,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:05:15,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:05:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:05:15,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2024-05-05 02:05:15,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:05:15,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793406868] [2024-05-05 02:05:15,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793406868] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:05:15,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:05:15,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:05:15,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117304609] [2024-05-05 02:05:15,772 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:05:15,772 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:05:15,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:05:27,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:05:27,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:05:27,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:27,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:05:27,558 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.166666666666664) internal successors, (331), 6 states have internal predecessors, (331), 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) [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:27,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:28,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable130 [2024-05-05 02:05:28,484 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:05:28,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:05:28,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1539680302, now seen corresponding path program 1 times [2024-05-05 02:05:28,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:05:28,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760624976] [2024-05-05 02:05:28,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:05:28,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:05:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:05:29,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3978 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3978 trivial. 0 not checked. [2024-05-05 02:05:29,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:05:29,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760624976] [2024-05-05 02:05:29,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760624976] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:05:29,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:05:29,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:05:29,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671805877] [2024-05-05 02:05:29,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:05:29,295 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:05:29,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:05:48,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:05:48,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:05:48,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:48,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:05:48,264 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 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) [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:48,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:05:49,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable131 [2024-05-05 02:05:49,326 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:05:49,326 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:05:49,326 INFO L85 PathProgramCache]: Analyzing trace with hash -482103975, now seen corresponding path program 1 times [2024-05-05 02:05:49,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:05:49,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443927653] [2024-05-05 02:05:49,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:05:49,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:05:49,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:05:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 5005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5005 trivial. 0 not checked. [2024-05-05 02:05:50,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:05:50,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443927653] [2024-05-05 02:05:50,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443927653] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:05:50,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:05:50,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:05:50,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449279414] [2024-05-05 02:05:50,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:05:50,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:05:50,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:06:18,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:06:18,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:06:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:18,935 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:06:18,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 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) [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:18,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:19,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable132 [2024-05-05 02:06:19,958 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:06:19,958 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:06:19,958 INFO L85 PathProgramCache]: Analyzing trace with hash -728655983, now seen corresponding path program 1 times [2024-05-05 02:06:19,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:06:19,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337115908] [2024-05-05 02:06:19,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:06:19,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:06:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:06:21,146 INFO L134 CoverageAnalysis]: Checked inductivity of 6047 backedges. 5691 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-05-05 02:06:21,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:06:21,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337115908] [2024-05-05 02:06:21,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337115908] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:06:21,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:06:21,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:06:21,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699021656] [2024-05-05 02:06:21,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:06:21,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:06:21,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:06:52,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:06:52,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:06:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:52,946 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:06:52,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 91.14285714285714) internal successors, (1276), 14 states have internal predecessors, (1276), 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) [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:52,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:06:54,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:06:54,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable133 [2024-05-05 02:06:54,589 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:06:54,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:06:54,589 INFO L85 PathProgramCache]: Analyzing trace with hash 1334602502, now seen corresponding path program 1 times [2024-05-05 02:06:54,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:06:54,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122453871] [2024-05-05 02:06:54,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:06:54,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:06:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:06:55,725 INFO L134 CoverageAnalysis]: Checked inductivity of 5661 backedges. 5544 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-05-05 02:06:55,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:06:55,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122453871] [2024-05-05 02:06:55,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122453871] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:06:55,725 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:06:55,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:06:55,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958463241] [2024-05-05 02:06:55,726 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:06:55,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:06:55,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:07:24,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:07:24,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:07:24,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:24,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:07:24,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 99.07142857142857) internal successors, (1387), 14 states have internal predecessors, (1387), 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) [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:24,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:26,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:26,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable134 [2024-05-05 02:07:26,244 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:07:26,245 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:07:26,245 INFO L85 PathProgramCache]: Analyzing trace with hash -1384679191, now seen corresponding path program 1 times [2024-05-05 02:07:26,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:07:26,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864665875] [2024-05-05 02:07:26,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:07:26,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:07:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:07:27,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5419 backedges. 5335 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-05-05 02:07:27,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:07:27,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864665875] [2024-05-05 02:07:27,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864665875] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:07:27,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:07:27,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:07:27,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488705588] [2024-05-05 02:07:27,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:07:27,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:07:27,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:07:54,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:07:54,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:07:54,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:54,206 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:07:54,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 101.64285714285714) internal successors, (1423), 14 states have internal predecessors, (1423), 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) [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:54,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:54,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:54,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:55,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:07:55,003 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable135 [2024-05-05 02:07:55,003 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:07:55,003 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:07:55,004 INFO L85 PathProgramCache]: Analyzing trace with hash 773714537, now seen corresponding path program 1 times [2024-05-05 02:07:55,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:07:55,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [786702274] [2024-05-05 02:07:55,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:07:55,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:07:55,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:07:56,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 5073 proven. 236 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:07:56,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:07:56,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [786702274] [2024-05-05 02:07:56,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [786702274] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:07:56,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [477028663] [2024-05-05 02:07:56,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:07:56,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:07:56,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:07:56,547 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:07:56,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-05 02:07:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:07:57,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 2810 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-05 02:07:57,891 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 02:07:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 4706 proven. 0 refuted. 0 times theorem prover too weak. 603 trivial. 0 not checked. [2024-05-05 02:07:58,851 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 02:07:58,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [477028663] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:07:58,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 02:07:58,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [18] total 20 [2024-05-05 02:07:58,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580306247] [2024-05-05 02:07:58,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:07:58,853 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:07:58,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:20,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:08:20,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2024-05-05 02:08:20,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:20,878 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:20,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 81.35714285714286) internal successors, (1139), 14 states have internal predecessors, (1139), 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) [2024-05-05 02:08:20,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:20,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:08:20,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:08:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:08:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:08:22,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:08:22,601 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-05-05 02:08:22,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable136 [2024-05-05 02:08:22,801 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 13 more)] === [2024-05-05 02:08:22,801 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:22,801 INFO L85 PathProgramCache]: Analyzing trace with hash 1044515849, now seen corresponding path program 1 times [2024-05-05 02:08:22,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:22,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140905105] [2024-05-05 02:08:22,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:22,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:08:22,967 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:08:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:08:24,043 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:08:24,043 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:08:24,043 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 16 remaining) [2024-05-05 02:08:24,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 16 remaining) [2024-05-05 02:08:24,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 16 remaining) [2024-05-05 02:08:24,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 16 remaining) [2024-05-05 02:08:24,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 16 remaining) [2024-05-05 02:08:24,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 16 remaining) [2024-05-05 02:08:24,043 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 16 remaining) [2024-05-05 02:08:24,044 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 16 remaining) [2024-05-05 02:08:24,044 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable137 [2024-05-05 02:08:24,045 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:08:24,046 WARN L233 ceAbstractionStarter]: 14 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:08:24,046 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 15 thread instances. [2024-05-05 02:08:24,088 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:08:24,091 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:08:24,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:08:24,091 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:08:24,092 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:08:24,096 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Waiting until timeout for monitored process [2024-05-05 02:08:24,117 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:08:24,117 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:24,117 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:08:24,117 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:08:24,117 INFO L358 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2024-05-05 02:08:24,120 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:24,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:24,120 INFO L85 PathProgramCache]: Analyzing trace with hash -330200132, now seen corresponding path program 1 times [2024-05-05 02:08:24,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:24,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686543909] [2024-05-05 02:08:24,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:24,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:24,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:08:24,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:24,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686543909] [2024-05-05 02:08:24,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686543909] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:24,139 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:24,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:08:24,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218520080] [2024-05-05 02:08:24,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:24,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:08:24,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:24,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:08:24,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:08:24,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,141 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:24,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:08:24,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable138 [2024-05-05 02:08:24,144 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:24,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:24,144 INFO L85 PathProgramCache]: Analyzing trace with hash -784970416, now seen corresponding path program 1 times [2024-05-05 02:08:24,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:24,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656134902] [2024-05-05 02:08:24,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:24,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:24,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:08:24,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:24,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656134902] [2024-05-05 02:08:24,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656134902] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:24,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:24,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:24,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680794174] [2024-05-05 02:08:24,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:24,193 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:24,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:24,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:24,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:24,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:08:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable139 [2024-05-05 02:08:24,242 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:24,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:24,243 INFO L85 PathProgramCache]: Analyzing trace with hash 575844724, now seen corresponding path program 1 times [2024-05-05 02:08:24,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:24,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415480361] [2024-05-05 02:08:24,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:24,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:24,312 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:08:24,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:24,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [415480361] [2024-05-05 02:08:24,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [415480361] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:24,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:24,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:24,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003543474] [2024-05-05 02:08:24,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:24,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:24,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:24,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:24,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:24,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:24,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:08:24,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable140 [2024-05-05 02:08:24,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:24,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:24,390 INFO L85 PathProgramCache]: Analyzing trace with hash -709740936, now seen corresponding path program 1 times [2024-05-05 02:08:24,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:24,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084788540] [2024-05-05 02:08:24,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:24,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:24,474 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:08:24,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:24,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084788540] [2024-05-05 02:08:24,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2084788540] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:24,475 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:24,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:24,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424675563] [2024-05-05 02:08:24,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:24,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:24,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:24,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:24,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:24,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:08:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable141 [2024-05-05 02:08:24,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:24,600 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:24,600 INFO L85 PathProgramCache]: Analyzing trace with hash -911408740, now seen corresponding path program 1 times [2024-05-05 02:08:24,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:24,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445015226] [2024-05-05 02:08:24,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:24,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:24,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:24,712 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:08:24,712 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:24,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445015226] [2024-05-05 02:08:24,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445015226] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:24,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:24,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:24,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423933371] [2024-05-05 02:08:24,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:24,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:24,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:24,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:24,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:24,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:24,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:08:24,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:24,998 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable142 [2024-05-05 02:08:24,998 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:24,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:24,998 INFO L85 PathProgramCache]: Analyzing trace with hash -595739729, now seen corresponding path program 1 times [2024-05-05 02:08:24,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:24,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986431182] [2024-05-05 02:08:24,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:24,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:25,186 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:08:25,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:25,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986431182] [2024-05-05 02:08:25,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986431182] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:25,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:25,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:25,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816883761] [2024-05-05 02:08:25,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:25,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:25,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:25,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:25,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:25,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:25,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:25,562 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:08:25,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:25,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:25,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable143 [2024-05-05 02:08:25,752 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:25,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:25,752 INFO L85 PathProgramCache]: Analyzing trace with hash 385571604, now seen corresponding path program 1 times [2024-05-05 02:08:25,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:25,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [338788892] [2024-05-05 02:08:25,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:25,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:25,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:25,959 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:08:25,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:25,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [338788892] [2024-05-05 02:08:25,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [338788892] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:25,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:25,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:25,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831544954] [2024-05-05 02:08:25,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:25,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:25,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:26,500 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:26,500 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:26,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:26,500 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:26,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:08:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,500 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:26,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable144 [2024-05-05 02:08:26,740 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:26,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:26,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1721920860, now seen corresponding path program 1 times [2024-05-05 02:08:26,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:26,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797820962] [2024-05-05 02:08:26,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:26,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:26,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:26,995 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:08:26,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:26,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797820962] [2024-05-05 02:08:26,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797820962] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:26,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:26,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:26,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420697091] [2024-05-05 02:08:26,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:26,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:26,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:28,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:28,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:28,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:28,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:28,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:28,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable145 [2024-05-05 02:08:28,573 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:28,573 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:28,573 INFO L85 PathProgramCache]: Analyzing trace with hash -1712187993, now seen corresponding path program 1 times [2024-05-05 02:08:28,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:28,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854852699] [2024-05-05 02:08:28,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:28,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:28,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:28,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:08:28,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:28,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1854852699] [2024-05-05 02:08:28,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1854852699] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:28,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:28,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:28,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288614868] [2024-05-05 02:08:28,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:28,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:28,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:31,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:31,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:31,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:31,174 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,175 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:31,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable146 [2024-05-05 02:08:31,697 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:31,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:31,697 INFO L85 PathProgramCache]: Analyzing trace with hash -29287965, now seen corresponding path program 1 times [2024-05-05 02:08:31,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:31,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307667372] [2024-05-05 02:08:31,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:31,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:31,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:08:32,094 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:32,094 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307667372] [2024-05-05 02:08:32,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307667372] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:32,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:32,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:32,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141465614] [2024-05-05 02:08:32,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:32,095 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:32,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:36,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:36,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:36,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:36,344 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:36,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:36,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:37,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:37,014 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable147 [2024-05-05 02:08:37,014 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:37,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:37,015 INFO L85 PathProgramCache]: Analyzing trace with hash 2073408139, now seen corresponding path program 1 times [2024-05-05 02:08:37,015 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:37,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241996142] [2024-05-05 02:08:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:37,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:37,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2024-05-05 02:08:37,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:37,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241996142] [2024-05-05 02:08:37,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241996142] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:37,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:37,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:37,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485745167] [2024-05-05 02:08:37,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:37,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:37,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:45,289 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:45,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:45,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:45,290 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:45,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 50.666666666666664) internal successors, (304), 6 states have internal predecessors, (304), 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) [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:45,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:46,068 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable148 [2024-05-05 02:08:46,069 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:46,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:46,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1793822400, now seen corresponding path program 1 times [2024-05-05 02:08:46,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:46,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600307286] [2024-05-05 02:08:46,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:46,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:08:46,799 INFO L134 CoverageAnalysis]: Checked inductivity of 3102 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2024-05-05 02:08:46,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:08:46,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600307286] [2024-05-05 02:08:46,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600307286] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:08:46,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:08:46,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:08:46,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929123835] [2024-05-05 02:08:46,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:08:46,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:08:46,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:08:58,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:08:58,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:08:58,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:58,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:08:58,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 55.166666666666664) internal successors, (331), 6 states have internal predecessors, (331), 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) [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:58,794 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:08:59,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable149 [2024-05-05 02:08:59,728 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:08:59,728 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:08:59,728 INFO L85 PathProgramCache]: Analyzing trace with hash 968667932, now seen corresponding path program 1 times [2024-05-05 02:08:59,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:08:59,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367506512] [2024-05-05 02:08:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:08:59,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:08:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:09:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 3978 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3978 trivial. 0 not checked. [2024-05-05 02:09:00,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:09:00,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367506512] [2024-05-05 02:09:00,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367506512] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:09:00,631 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:09:00,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:09:00,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390672911] [2024-05-05 02:09:00,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:09:00,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:09:00,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:09:19,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:09:19,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:09:19,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:19,614 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:09:19,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 59.666666666666664) internal successors, (358), 6 states have internal predecessors, (358), 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) [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:19,615 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:20,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable150 [2024-05-05 02:09:20,720 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:09:20,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:09:20,724 INFO L85 PathProgramCache]: Analyzing trace with hash -242194962, now seen corresponding path program 1 times [2024-05-05 02:09:20,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:09:20,724 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883188968] [2024-05-05 02:09:20,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:09:20,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:09:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:09:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5005 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5005 trivial. 0 not checked. [2024-05-05 02:09:21,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:09:21,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883188968] [2024-05-05 02:09:21,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883188968] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:09:21,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:09:21,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:09:21,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370007783] [2024-05-05 02:09:21,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:09:21,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:09:21,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:09:50,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:09:50,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:09:50,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:50,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:09:50,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 64.16666666666667) internal successors, (385), 6 states have internal predecessors, (385), 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) [2024-05-05 02:09:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:50,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:09:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:09:51,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable151 [2024-05-05 02:09:51,971 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:09:51,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:09:51,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1688826966, now seen corresponding path program 1 times [2024-05-05 02:09:51,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:09:51,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673699154] [2024-05-05 02:09:51,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:09:51,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:09:52,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:09:53,268 INFO L134 CoverageAnalysis]: Checked inductivity of 6195 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6195 trivial. 0 not checked. [2024-05-05 02:09:53,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:09:53,269 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673699154] [2024-05-05 02:09:53,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673699154] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:09:53,269 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:09:53,269 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:09:53,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831898229] [2024-05-05 02:09:53,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:09:53,269 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:09:53,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:10:35,050 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:10:35,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:10:35,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:10:35,051 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:10:35,051 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 68.66666666666667) internal successors, (412), 6 states have internal predecessors, (412), 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) [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:35,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:10:36,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152 [2024-05-05 02:10:36,255 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:10:36,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:10:36,255 INFO L85 PathProgramCache]: Analyzing trace with hash -1960232149, now seen corresponding path program 1 times [2024-05-05 02:10:36,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:10:36,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35538214] [2024-05-05 02:10:36,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:10:36,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:10:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:10:37,638 INFO L134 CoverageAnalysis]: Checked inductivity of 7350 backedges. 6580 proven. 0 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2024-05-05 02:10:37,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:10:37,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35538214] [2024-05-05 02:10:37,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35538214] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:10:37,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:10:37,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:10:37,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475518393] [2024-05-05 02:10:37,639 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:10:37,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:10:37,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:11:19,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:11:19,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:11:19,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:11:19,850 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:11:19,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 93.07142857142857) internal successors, (1303), 14 states have internal predecessors, (1303), 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) [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:19,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:11:22,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:11:22,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable153 [2024-05-05 02:11:22,399 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:11:22,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:11:22,399 INFO L85 PathProgramCache]: Analyzing trace with hash 35037523, now seen corresponding path program 1 times [2024-05-05 02:11:22,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:11:22,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [790810875] [2024-05-05 02:11:22,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:11:22,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:11:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:11:23,795 INFO L134 CoverageAnalysis]: Checked inductivity of 6808 backedges. 6452 proven. 0 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2024-05-05 02:11:23,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:11:23,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [790810875] [2024-05-05 02:11:23,795 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [790810875] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:11:23,795 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:11:23,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:11:23,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888050452] [2024-05-05 02:11:23,796 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:11:23,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:11:23,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:12:03,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:12:03,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:12:03,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:03,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:12:03,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 101.0) internal successors, (1414), 14 states have internal predecessors, (1414), 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) [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:03,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:05,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:05,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:05,151 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154 [2024-05-05 02:12:05,152 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:12:05,152 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:12:05,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1469193288, now seen corresponding path program 1 times [2024-05-05 02:12:05,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:12:05,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143744466] [2024-05-05 02:12:05,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:12:05,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:12:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:12:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 6422 backedges. 6262 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2024-05-05 02:12:06,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:12:06,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143744466] [2024-05-05 02:12:06,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143744466] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:12:06,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:12:06,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:12:06,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95715124] [2024-05-05 02:12:06,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:12:06,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:12:06,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:12:42,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:12:43,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:12:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:43,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:12:43,000 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 108.07142857142857) internal successors, (1513), 14 states have internal predecessors, (1513), 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) [2024-05-05 02:12:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:43,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:44,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:12:44,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155 [2024-05-05 02:12:44,359 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:12:44,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:12:44,359 INFO L85 PathProgramCache]: Analyzing trace with hash -31788766, now seen corresponding path program 1 times [2024-05-05 02:12:44,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:12:44,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009177192] [2024-05-05 02:12:44,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:12:44,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:12:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:12:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 6180 backedges. 5998 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2024-05-05 02:12:45,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:12:45,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009177192] [2024-05-05 02:12:45,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009177192] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:12:45,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:12:45,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-05-05 02:12:45,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796826076] [2024-05-05 02:12:45,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:12:45,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:12:45,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:19,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:13:19,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=102, Unknown=0, NotChecked=0, Total=182 [2024-05-05 02:13:19,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:19,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:19,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 108.92857142857143) internal successors, (1525), 14 states have internal predecessors, (1525), 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) [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:19,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:20,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:20,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:20,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable156 [2024-05-05 02:13:20,388 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:13:20,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:20,388 INFO L85 PathProgramCache]: Analyzing trace with hash 18080906, now seen corresponding path program 1 times [2024-05-05 02:13:20,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:20,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109187922] [2024-05-05 02:13:20,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:20,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:22,251 INFO L134 CoverageAnalysis]: Checked inductivity of 6070 backedges. 5815 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:13:22,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:22,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109187922] [2024-05-05 02:13:22,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2109187922] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:13:22,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674296684] [2024-05-05 02:13:22,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:22,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:13:22,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:13:22,254 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:13:22,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-05 02:13:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:24,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 3081 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-05 02:13:24,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 02:13:24,972 INFO L134 CoverageAnalysis]: Checked inductivity of 6070 backedges. 5090 proven. 0 refuted. 0 times theorem prover too weak. 980 trivial. 0 not checked. [2024-05-05 02:13:24,972 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 02:13:24,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674296684] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:24,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 02:13:24,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [19] total 21 [2024-05-05 02:13:24,973 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490883703] [2024-05-05 02:13:24,973 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:24,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 02:13:24,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:50,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 02:13:50,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=273, Unknown=0, NotChecked=0, Total=420 [2024-05-05 02:13:50,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:50,383 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:50,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 83.5) internal successors, (1169), 14 states have internal predecessors, (1169), 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) [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:50,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:52,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 02:13:52,683 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-05 02:13:52,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable157 [2024-05-05 02:13:52,869 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2024-05-05 02:13:52,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:52,870 INFO L85 PathProgramCache]: Analyzing trace with hash -643782365, now seen corresponding path program 1 times [2024-05-05 02:13:52,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:52,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006194804] [2024-05-05 02:13:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:52,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:53,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:13:53,030 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 02:13:53,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 02:13:54,414 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 02:13:54,414 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 02:13:54,414 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining) [2024-05-05 02:13:54,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (15 of 17 remaining) [2024-05-05 02:13:54,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (14 of 17 remaining) [2024-05-05 02:13:54,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (12 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (11 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 17 remaining) [2024-05-05 02:13:54,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thrErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 17 remaining) [2024-05-05 02:13:54,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable158 [2024-05-05 02:13:54,416 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 02:13:54,416 WARN L233 ceAbstractionStarter]: 15 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 02:13:54,416 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 16 thread instances. [2024-05-05 02:13:54,458 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 02:13:54,461 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:13:54,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:13:54,462 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:13:54,463 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:13:54,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (22)] Waiting until timeout for monitored process [2024-05-05 02:13:54,487 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:13:54,488 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:54,488 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:13:54,488 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=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;@6db5a8b6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:13:54,488 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-05-05 02:13:54,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:54,491 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:54,491 INFO L85 PathProgramCache]: Analyzing trace with hash 1949760376, now seen corresponding path program 1 times [2024-05-05 02:13:54,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:54,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280641544] [2024-05-05 02:13:54,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:54,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:54,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:13:54,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:54,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280641544] [2024-05-05 02:13:54,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280641544] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:54,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:54,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 02:13:54,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522240064] [2024-05-05 02:13:54,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:54,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 02:13:54,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:54,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 02:13:54,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 02:13:54,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,516 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:54,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.5) internal successors, (61), 2 states have internal predecessors, (61), 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) [2024-05-05 02:13:54,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable159 [2024-05-05 02:13:54,520 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:54,520 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:54,520 INFO L85 PathProgramCache]: Analyzing trace with hash -630947172, now seen corresponding path program 1 times [2024-05-05 02:13:54,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:54,520 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363315459] [2024-05-05 02:13:54,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:54,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:54,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:54,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 02:13:54,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:54,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363315459] [2024-05-05 02:13:54,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363315459] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:54,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:54,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:54,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184858304] [2024-05-05 02:13:54,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:54,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:54,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:54,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:13:54,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:13:54,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:54,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 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) [2024-05-05 02:13:54,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:54,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable160 [2024-05-05 02:13:54,630 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:54,630 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:54,630 INFO L85 PathProgramCache]: Analyzing trace with hash 1077664917, now seen corresponding path program 1 times [2024-05-05 02:13:54,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:54,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [177156190] [2024-05-05 02:13:54,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:54,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:54,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:54,701 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-05 02:13:54,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:54,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [177156190] [2024-05-05 02:13:54,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [177156190] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:54,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:54,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:54,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066670471] [2024-05-05 02:13:54,701 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:54,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:54,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:54,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:13:54,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:13:54,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:54,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 6 states have internal predecessors, (87), 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) [2024-05-05 02:13:54,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:54,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:54,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:54,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable161 [2024-05-05 02:13:54,787 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:54,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:54,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1844994453, now seen corresponding path program 1 times [2024-05-05 02:13:54,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:54,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769326421] [2024-05-05 02:13:54,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:54,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:54,885 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2024-05-05 02:13:54,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:54,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769326421] [2024-05-05 02:13:54,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769326421] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:54,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:54,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:54,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024661219] [2024-05-05 02:13:54,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:54,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:54,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:54,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:13:54,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:13:54,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:54,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-05-05 02:13:54,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:54,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:54,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:54,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,022 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable162 [2024-05-05 02:13:55,022 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:55,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:55,023 INFO L85 PathProgramCache]: Analyzing trace with hash 1174237644, now seen corresponding path program 1 times [2024-05-05 02:13:55,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:55,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689820441] [2024-05-05 02:13:55,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:55,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:55,243 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2024-05-05 02:13:55,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:55,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689820441] [2024-05-05 02:13:55,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689820441] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:55,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:55,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:55,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046377274] [2024-05-05 02:13:55,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:55,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:55,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:55,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:13:55,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:13:55,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,325 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:55,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 23.5) internal successors, (141), 6 states have internal predecessors, (141), 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) [2024-05-05 02:13:55,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,475 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable163 [2024-05-05 02:13:55,475 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:55,475 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:55,475 INFO L85 PathProgramCache]: Analyzing trace with hash -14062762, now seen corresponding path program 1 times [2024-05-05 02:13:55,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:55,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090201952] [2024-05-05 02:13:55,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:55,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:55,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:55,635 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 310 trivial. 0 not checked. [2024-05-05 02:13:55,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:55,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090201952] [2024-05-05 02:13:55,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090201952] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:55,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:55,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:55,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549895641] [2024-05-05 02:13:55,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:55,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:55,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:55,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:13:55,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:13:55,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:55,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 28.0) internal successors, (168), 6 states have internal predecessors, (168), 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) [2024-05-05 02:13:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:55,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:56,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable164 [2024-05-05 02:13:56,071 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:56,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:56,072 INFO L85 PathProgramCache]: Analyzing trace with hash -822370396, now seen corresponding path program 1 times [2024-05-05 02:13:56,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:56,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195215540] [2024-05-05 02:13:56,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:56,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:56,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:56,285 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2024-05-05 02:13:56,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:56,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195215540] [2024-05-05 02:13:56,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195215540] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:56,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:56,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:56,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726468552] [2024-05-05 02:13:56,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:56,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:56,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:56,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:13:56,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:13:56,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:56,897 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:56,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 32.5) internal successors, (195), 6 states have internal predecessors, (195), 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) [2024-05-05 02:13:56,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:56,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:56,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:57,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:57,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:57,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable165 [2024-05-05 02:13:57,160 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:57,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:57,160 INFO L85 PathProgramCache]: Analyzing trace with hash -1737723095, now seen corresponding path program 1 times [2024-05-05 02:13:57,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:57,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724606851] [2024-05-05 02:13:57,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:57,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:57,428 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2024-05-05 02:13:57,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:57,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724606851] [2024-05-05 02:13:57,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724606851] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:57,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:57,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:57,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905310965] [2024-05-05 02:13:57,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:57,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:57,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:13:58,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:13:58,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:13:58,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:58,638 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:13:58,638 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.0) internal successors, (222), 6 states have internal predecessors, (222), 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) [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:13:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:13:58,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable166 [2024-05-05 02:13:58,996 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:13:58,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:13:58,996 INFO L85 PathProgramCache]: Analyzing trace with hash -842979360, now seen corresponding path program 1 times [2024-05-05 02:13:58,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:13:58,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [77771012] [2024-05-05 02:13:58,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:13:58,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:13:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:13:59,337 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1204 trivial. 0 not checked. [2024-05-05 02:13:59,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:13:59,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [77771012] [2024-05-05 02:13:59,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [77771012] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:13:59,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:13:59,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:13:59,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352561362] [2024-05-05 02:13:59,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:13:59,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:13:59,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:14:01,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:14:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:14:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:01,684 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:14:01,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 41.5) internal successors, (249), 6 states have internal predecessors, (249), 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) [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:01,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:02,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable167 [2024-05-05 02:14:02,181 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:14:02,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:14:02,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1339179057, now seen corresponding path program 1 times [2024-05-05 02:14:02,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:14:02,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731126596] [2024-05-05 02:14:02,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:14:02,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:14:02,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:14:02,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1692 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1692 trivial. 0 not checked. [2024-05-05 02:14:02,701 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:14:02,701 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731126596] [2024-05-05 02:14:02,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731126596] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:14:02,701 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:14:02,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:14:02,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192465025] [2024-05-05 02:14:02,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:14:02,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:14:02,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:14:06,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 02:14:06,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-05 02:14:06,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:06,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:14:06,948 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 46.0) internal successors, (276), 6 states have internal predecessors, (276), 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) [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:06,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:14:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 02:14:07,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable168 [2024-05-05 02:14:07,704 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting thrErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thrErr0ASSERT_VIOLATIONERROR_FUNCTION, thrErr0ASSERT_VIOLATIONERROR_FUNCTION (and 15 more)] === [2024-05-05 02:14:07,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:14:07,704 INFO L85 PathProgramCache]: Analyzing trace with hash -528895698, now seen corresponding path program 1 times [2024-05-05 02:14:07,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:14:07,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903277159] [2024-05-05 02:14:07,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:14:07,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:14:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:14:08,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2365 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2365 trivial. 0 not checked. [2024-05-05 02:14:08,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:14:08,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903277159] [2024-05-05 02:14:08,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903277159] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:14:08,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:14:08,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 02:14:08,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861976743] [2024-05-05 02:14:08,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:14:08,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 02:14:08,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL Received shutdown request... [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:10,150 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:14:11,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (9)] Ended with exit code 0 [2024-05-05 02:14:11,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (16)] Ended with exit code 0 [2024-05-05 02:14:11,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (14)] Ended with exit code 0 [2024-05-05 02:14:11,240 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (5)] Ended with exit code 0 [2024-05-05 02:14:11,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2024-05-05 02:14:11,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Ended with exit code 0 [2024-05-05 02:14:11,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (7)] Ended with exit code 0 [2024-05-05 02:14:11,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (10)] Ended with exit code 0 [2024-05-05 02:14:11,242 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Ended with exit code 0 [2024-05-05 02:14:11,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (8)] Forceful destruction successful, exit code 0 [2024-05-05 02:14:11,244 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2024-05-05 02:14:11,244 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (4)] Ended with exit code 0 [2024-05-05 02:14:11,246 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (22)] Ended with exit code 0 [2024-05-05 02:14:11,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Ended with exit code 0 [2024-05-05 02:14:11,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (20)] Ended with exit code 0 [2024-05-05 02:14:11,249 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Ended with exit code 0 [2024-05-05 02:14:11,249 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown