/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 50 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/clever.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 17:27:56,466 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 17:27:56,527 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 17:27:56,531 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 17:27:56,532 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 17:27:56,555 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 17:27:56,555 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 17:27:56,555 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 17:27:56,556 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 17:27:56,559 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 17:27:56,559 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 17:27:56,559 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 17:27:56,560 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 17:27:56,561 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 17:27:56,561 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 17:27:56,561 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 17:27:56,561 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 17:27:56,562 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 17:27:56,562 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 17:27:56,562 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 17:27:56,562 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 17:27:56,562 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 17:27:56,562 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 17:27:56,562 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 17:27:56,563 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 17:27:56,563 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 17:27:56,563 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 17:27:56,563 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 17:27:56,563 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 17:27:56,563 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 17:27:56,564 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 17:27:56,564 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 17:27:56,565 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 17:27:56,565 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 17:27:56,565 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 17:27:56,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 17:27:56,565 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 17:27:56,565 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 17:27:56,565 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 17:27:56,565 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 50 [2024-05-06 17:27:56,791 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 17:27:56,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 17:27:56,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 17:27:56,810 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 17:27:56,811 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 17:27:56,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/clever.wvr.c [2024-05-06 17:27:57,836 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 17:27:58,009 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 17:27:58,010 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c [2024-05-06 17:27:58,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2a326e7c3/73f951d8dd094528a2a3ea8e0591f1a7/FLAG656020274 [2024-05-06 17:27:58,029 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2a326e7c3/73f951d8dd094528a2a3ea8e0591f1a7 [2024-05-06 17:27:58,031 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 17:27:58,034 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 17:27:58,037 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 17:27:58,037 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 17:27:58,040 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 17:27:58,041 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,041 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d5b350f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58, skipping insertion in model container [2024-05-06 17:27:58,041 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,061 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 17:27:58,180 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c[2133,2146] [2024-05-06 17:27:58,183 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 17:27:58,192 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 17:27:58,205 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/clever.wvr.c[2133,2146] [2024-05-06 17:27:58,206 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 17:27:58,217 INFO L206 MainTranslator]: Completed translation [2024-05-06 17:27:58,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58 WrapperNode [2024-05-06 17:27:58,217 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 17:27:58,218 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 17:27:58,218 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 17:27:58,218 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 17:27:58,223 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,242 INFO L138 Inliner]: procedures = 19, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2024-05-06 17:27:58,242 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 17:27:58,243 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 17:27:58,243 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 17:27:58,243 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 17:27:58,250 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,250 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,252 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,252 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,255 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,257 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,264 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,265 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,266 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 17:27:58,267 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 17:27:58,267 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 17:27:58,267 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 17:27:58,268 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (1/1) ... [2024-05-06 17:27:58,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 17:27:58,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:27:58,295 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) [2024-05-06 17:27:58,297 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 [2024-05-06 17:27:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 17:27:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 17:27:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 17:27:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 17:27:58,331 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 17:27:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 17:27:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 17:27:58,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 17:27:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 17:27:58,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 17:27:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 17:27:58,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 17:27:58,333 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 17:27:58,413 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 17:27:58,415 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 17:27:58,559 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 17:27:58,577 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 17:27:58,577 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-06 17:27:58,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:27:58 BoogieIcfgContainer [2024-05-06 17:27:58,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 17:27:58,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 17:27:58,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 17:27:58,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 17:27:58,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 05:27:58" (1/3) ... [2024-05-06 17:27:58,583 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133e2509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:27:58, skipping insertion in model container [2024-05-06 17:27:58,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 05:27:58" (2/3) ... [2024-05-06 17:27:58,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@133e2509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 05:27:58, skipping insertion in model container [2024-05-06 17:27:58,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 05:27:58" (3/3) ... [2024-05-06 17:27:58,585 INFO L112 eAbstractionObserver]: Analyzing ICFG clever.wvr.c [2024-05-06 17:27:58,591 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 17:27:58,598 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 17:27:58,598 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 17:27:58,598 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 17:27:58,652 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 17:27:58,694 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 17:27:58,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 17:27:58,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:27:58,698 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) [2024-05-06 17:27:58,718 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 [2024-05-06 17:27:58,732 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 17:27:58,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:27:58,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 17:27:58,747 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;@3f2c232c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=50, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 17:27:58,747 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 17:27:58,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:27:58,861 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:27:58,862 INFO L85 PathProgramCache]: Analyzing trace with hash -142826957, now seen corresponding path program 1 times [2024-05-06 17:27:58,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:27:58,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596796996] [2024-05-06 17:27:58,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:27:58,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:27:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:27:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 17:27:59,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:27:59,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596796996] [2024-05-06 17:27:59,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596796996] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 17:27:59,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 17:27:59,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 17:27:59,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001610724] [2024-05-06 17:27:59,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 17:27:59,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 17:27:59,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:27:59,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 17:27:59,103 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 17:27:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:27:59,106 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:27:59,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 50.0) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:27:59,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:27:59,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:27:59,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 17:27:59,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:27:59,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:27:59,227 INFO L85 PathProgramCache]: Analyzing trace with hash 209094570, now seen corresponding path program 1 times [2024-05-06 17:27:59,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:27:59,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1150994646] [2024-05-06 17:27:59,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:27:59,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:27:59,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:00,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:28:00,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:28:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1150994646] [2024-05-06 17:28:00,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1150994646] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:28:00,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1474781150] [2024-05-06 17:28:00,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:00,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:00,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:28:00,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:28:00,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 17:28:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:00,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-06 17:28:00,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:28:01,126 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:28:01,127 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:28:01,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:28:01,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1474781150] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:28:01,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:28:01,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 29 [2024-05-06 17:28:01,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244755498] [2024-05-06 17:28:01,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:28:01,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-06 17:28:01,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:28:01,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-06 17:28:01,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2024-05-06 17:28:01,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:01,478 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:28:01,479 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.172413793103448) internal successors, (179), 29 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:28:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:01,479 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:02,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:02,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 17:28:02,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-06 17:28:02,450 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:28:02,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:28:02,451 INFO L85 PathProgramCache]: Analyzing trace with hash -1550612489, now seen corresponding path program 1 times [2024-05-06 17:28:02,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:28:02,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1645412243] [2024-05-06 17:28:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:02,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:28:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:02,688 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 17:28:02,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:28:02,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1645412243] [2024-05-06 17:28:02,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1645412243] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:28:02,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475155219] [2024-05-06 17:28:02,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:02,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:02,693 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:28:02,706 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:28:02,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 17:28:02,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:02,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-06 17:28:02,784 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:28:03,059 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 17:28:03,059 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:28:03,194 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 17:28:03,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [475155219] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:28:03,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:28:03,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 11] total 27 [2024-05-06 17:28:03,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864445939] [2024-05-06 17:28:03,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:28:03,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-06 17:28:03,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:28:03,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-06 17:28:03,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-05-06 17:28:03,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:03,199 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:28:03,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.037037037037036) internal successors, (217), 27 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:28:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:03,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:03,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:03,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 17:28:03,532 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 17:28:03,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:03,732 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:28:03,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:28:03,733 INFO L85 PathProgramCache]: Analyzing trace with hash 1602683899, now seen corresponding path program 2 times [2024-05-06 17:28:03,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:28:03,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328837172] [2024-05-06 17:28:03,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:03,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:28:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:03,832 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 23 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-05-06 17:28:03,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:28:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328837172] [2024-05-06 17:28:03,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328837172] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:28:03,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [436090914] [2024-05-06 17:28:03,832 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 17:28:03,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:03,833 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:28:03,834 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:28:03,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 17:28:03,912 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 17:28:03,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:28:03,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-06 17:28:03,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:28:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 44 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-06 17:28:04,004 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:28:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 43 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-05-06 17:28:04,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [436090914] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:28:04,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:28:04,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 17 [2024-05-06 17:28:04,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331349148] [2024-05-06 17:28:04,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:28:04,098 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-06 17:28:04,099 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:28:04,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-06 17:28:04,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2024-05-06 17:28:04,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:04,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:28:04,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.647058823529411) internal successors, (198), 17 states have internal predecessors, (198), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:28:04,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:04,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:04,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 17:28:04,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:04,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:04,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:04,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 17:28:04,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:04,993 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:28:04,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:28:04,993 INFO L85 PathProgramCache]: Analyzing trace with hash 467332105, now seen corresponding path program 3 times [2024-05-06 17:28:04,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:28:04,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622330091] [2024-05-06 17:28:04,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:04,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:28:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:05,301 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 433 proven. 182 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-05-06 17:28:05,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:28:05,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622330091] [2024-05-06 17:28:05,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622330091] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:28:05,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520673088] [2024-05-06 17:28:05,305 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 17:28:05,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:05,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:28:05,307 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:28:05,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 17:28:05,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 12 check-sat command(s) [2024-05-06 17:28:05,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:28:05,496 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-06 17:28:05,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:28:05,689 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 163 proven. 279 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2024-05-06 17:28:05,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:28:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 791 backedges. 49 proven. 393 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2024-05-06 17:28:05,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520673088] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:28:05,880 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:28:05,881 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 22 [2024-05-06 17:28:05,881 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439278294] [2024-05-06 17:28:05,881 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:28:05,881 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-06 17:28:05,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:28:05,882 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-06 17:28:05,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=377, Unknown=0, NotChecked=0, Total=462 [2024-05-06 17:28:05,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:05,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:28:05,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 10.136363636363637) internal successors, (223), 22 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:28:05,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:05,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:05,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:05,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:05,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:06,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:28:06,217 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 17:28:06,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:06,415 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:28:06,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:28:06,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1275343291, now seen corresponding path program 4 times [2024-05-06 17:28:06,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:28:06,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098285979] [2024-05-06 17:28:06,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:06,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:28:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:07,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 554 proven. 665 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-05-06 17:28:07,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:28:07,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098285979] [2024-05-06 17:28:07,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098285979] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:28:07,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614565948] [2024-05-06 17:28:07,495 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 17:28:07,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:07,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:28:07,496 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:28:07,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 17:28:07,602 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 17:28:07,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:28:07,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 492 conjuncts, 41 conjunts are in the unsatisfiable core [2024-05-06 17:28:07,608 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:28:09,125 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 144 proven. 1085 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-05-06 17:28:09,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:28:10,120 INFO L134 CoverageAnalysis]: Checked inductivity of 1278 backedges. 554 proven. 665 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2024-05-06 17:28:10,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614565948] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:28:10,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:28:10,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 40, 34] total 97 [2024-05-06 17:28:10,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829564986] [2024-05-06 17:28:10,121 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:28:10,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-05-06 17:28:10,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:28:10,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-05-06 17:28:10,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1106, Invalid=8206, Unknown=0, NotChecked=0, Total=9312 [2024-05-06 17:28:10,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:10,126 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:28:10,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 6.298969072164948) internal successors, (611), 97 states have internal predecessors, (611), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:28:10,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:10,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:10,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:10,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:10,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:28:10,127 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:12,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:28:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-06 17:28:12,126 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 17:28:12,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:12,324 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:28:12,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:28:12,324 INFO L85 PathProgramCache]: Analyzing trace with hash -1505048033, now seen corresponding path program 5 times [2024-05-06 17:28:12,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:28:12,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233583044] [2024-05-06 17:28:12,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:12,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:28:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 5623 backedges. 3325 proven. 527 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2024-05-06 17:28:13,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:28:13,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233583044] [2024-05-06 17:28:13,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233583044] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:28:13,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1433066288] [2024-05-06 17:28:13,289 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 17:28:13,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:13,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:28:13,290 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:28:13,312 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 17:28:13,439 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2024-05-06 17:28:13,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:28:13,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-06 17:28:13,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:28:13,805 INFO L134 CoverageAnalysis]: Checked inductivity of 5623 backedges. 3462 proven. 390 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2024-05-06 17:28:13,805 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:28:14,496 INFO L134 CoverageAnalysis]: Checked inductivity of 5623 backedges. 3440 proven. 412 refuted. 0 times theorem prover too weak. 1771 trivial. 0 not checked. [2024-05-06 17:28:14,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1433066288] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:28:14,499 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:28:14,499 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2024-05-06 17:28:14,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215017821] [2024-05-06 17:28:14,499 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:28:14,500 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-05-06 17:28:14,500 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:28:14,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-05-06 17:28:14,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=737, Invalid=4093, Unknown=0, NotChecked=0, Total=4830 [2024-05-06 17:28:14,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:14,502 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:28:14,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.671428571428572) internal successors, (467), 70 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:28:14,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:14,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:14,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:14,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:14,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:28:14,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-06 17:28:14,503 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:28:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 17:28:19,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-06 17:28:19,042 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 17:28:19,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-06 17:28:19,242 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:28:19,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:28:19,243 INFO L85 PathProgramCache]: Analyzing trace with hash 1844190399, now seen corresponding path program 6 times [2024-05-06 17:28:19,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:28:19,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268559506] [2024-05-06 17:28:19,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:19,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:28:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:28:25,014 INFO L134 CoverageAnalysis]: Checked inductivity of 111621 backedges. 34197 proven. 3272 refuted. 0 times theorem prover too weak. 74152 trivial. 0 not checked. [2024-05-06 17:28:25,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:28:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268559506] [2024-05-06 17:28:25,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [268559506] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:28:25,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630006191] [2024-05-06 17:28:25,015 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 17:28:25,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:25,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:28:25,016 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:28:25,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-06 17:28:26,077 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 86 check-sat command(s) [2024-05-06 17:28:26,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:28:26,099 INFO L262 TraceCheckSpWp]: Trace formula consists of 2678 conjuncts, 52 conjunts are in the unsatisfiable core [2024-05-06 17:28:26,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:28:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 111621 backedges. 12385 proven. 18428 refuted. 0 times theorem prover too weak. 80808 trivial. 0 not checked. [2024-05-06 17:28:28,219 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:28:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 111621 backedges. 937 proven. 29876 refuted. 0 times theorem prover too weak. 80808 trivial. 0 not checked. [2024-05-06 17:28:30,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630006191] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:28:30,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:28:30,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 53] total 82 [2024-05-06 17:28:30,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861674022] [2024-05-06 17:28:30,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:28:30,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-05-06 17:28:30,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:28:30,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-05-06 17:28:30,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=845, Invalid=5797, Unknown=0, NotChecked=0, Total=6642 [2024-05-06 17:28:30,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:30,245 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:28:30,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 6.5) internal successors, (533), 82 states have internal predecessors, (533), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-06 17:28:30,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:32,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:28:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:28:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:28:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:28:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:28:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 17:28:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-06 17:28:32,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-06 17:28:32,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-05-06 17:28:33,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:28:33,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:28:33,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:28:33,024 INFO L85 PathProgramCache]: Analyzing trace with hash -919990925, now seen corresponding path program 7 times [2024-05-06 17:28:33,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:28:33,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12350312] [2024-05-06 17:28:33,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:28:33,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:28:34,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:29:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 128418 backedges. 54504 proven. 70529 refuted. 0 times theorem prover too weak. 3385 trivial. 0 not checked. [2024-05-06 17:29:12,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:29:12,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12350312] [2024-05-06 17:29:12,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12350312] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:29:12,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173700687] [2024-05-06 17:29:12,376 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-06 17:29:12,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:29:12,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:29:12,377 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:29:12,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 17:29:12,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:29:12,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 2978 conjuncts, 237 conjunts are in the unsatisfiable core [2024-05-06 17:29:12,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:29:46,547 INFO L134 CoverageAnalysis]: Checked inductivity of 128418 backedges. 7260 proven. 117803 refuted. 0 times theorem prover too weak. 3355 trivial. 0 not checked. [2024-05-06 17:29:46,548 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:30:14,678 INFO L134 CoverageAnalysis]: Checked inductivity of 128418 backedges. 54504 proven. 70529 refuted. 0 times theorem prover too weak. 3385 trivial. 0 not checked. [2024-05-06 17:30:14,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173700687] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:30:14,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:30:14,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [218, 236, 218] total 653 [2024-05-06 17:30:14,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077706359] [2024-05-06 17:30:14,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:30:14,681 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 653 states [2024-05-06 17:30:14,681 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:30:14,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 653 interpolants. [2024-05-06 17:30:14,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67654, Invalid=358102, Unknown=0, NotChecked=0, Total=425756 [2024-05-06 17:30:14,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:30:14,744 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:30:14,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 653 states, 653 states have (on average 5.8437978560490045) internal successors, (3816), 653 states have internal predecessors, (3816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:30:14,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:30:14,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:30:14,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:30:14,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:30:14,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:30:14,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 17:30:14,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-06 17:30:14,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-06 17:30:14,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:31:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:31:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:31:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:31:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:31:11,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:31:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-06 17:31:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2024-05-06 17:31:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-06 17:31:11,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 392 states. [2024-05-06 17:31:11,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-06 17:31:11,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:31:11,837 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 17:31:11,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 17:31:11,838 INFO L85 PathProgramCache]: Analyzing trace with hash -1366405247, now seen corresponding path program 8 times [2024-05-06 17:31:11,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 17:31:11,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189909418] [2024-05-06 17:31:11,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 17:31:11,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 17:31:15,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 17:32:21,138 INFO L134 CoverageAnalysis]: Checked inductivity of 495193 backedges. 264759 proven. 11972 refuted. 0 times theorem prover too weak. 218462 trivial. 0 not checked. [2024-05-06 17:32:21,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 17:32:21,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189909418] [2024-05-06 17:32:21,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189909418] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 17:32:21,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1216485159] [2024-05-06 17:32:21,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 17:32:21,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 17:32:21,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 17:32:21,140 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 17:32:21,141 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-06 17:32:21,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 17:32:21,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 17:32:21,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 5184 conjuncts, 234 conjunts are in the unsatisfiable core [2024-05-06 17:32:21,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 17:32:25,291 INFO L134 CoverageAnalysis]: Checked inductivity of 495193 backedges. 265956 proven. 10775 refuted. 0 times theorem prover too weak. 218462 trivial. 0 not checked. [2024-05-06 17:32:25,292 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 17:32:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 495193 backedges. 265864 proven. 10867 refuted. 0 times theorem prover too weak. 218462 trivial. 0 not checked. [2024-05-06 17:32:44,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1216485159] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 17:32:44,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 17:32:44,652 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [235, 235, 235] total 470 [2024-05-06 17:32:44,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591778630] [2024-05-06 17:32:44,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 17:32:44,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 470 states [2024-05-06 17:32:44,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 17:32:44,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 470 interpolants. [2024-05-06 17:32:44,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39297, Invalid=181133, Unknown=0, NotChecked=0, Total=220430 [2024-05-06 17:32:44,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:32:44,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 17:32:44,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 470 states, 470 states have (on average 5.780851063829787) internal successors, (2717), 470 states have internal predecessors, (2717), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 17:32:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 17:32:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 17:32:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-06 17:32:44,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-06 17:32:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-06 17:32:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-06 17:32:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2024-05-06 17:32:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-06 17:32:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 392 states. [2024-05-06 17:32:44,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.