/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 SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 21:35:54,520 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 21:35:54,586 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 21:35:54,590 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 21:35:54,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 21:35:54,615 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 21:35:54,615 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 21:35:54,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 21:35:54,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 21:35:54,619 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 21:35:54,620 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 21:35:54,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 21:35:54,620 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 21:35:54,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 21:35:54,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 21:35:54,622 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 21:35:54,622 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 21:35:54,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 21:35:54,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 21:35:54,622 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 21:35:54,622 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 21:35:54,623 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 21:35:54,623 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 21:35:54,623 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 21:35:54,623 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 21:35:54,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 21:35:54,623 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 21:35:54,624 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 21:35:54,624 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 21:35:54,624 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 21:35:54,625 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 21:35:54,625 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 21:35:54,625 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 21:35:54,625 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 21:35:54,625 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 21:35:54,625 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 21:35:54,626 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 21:35:54,626 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 21:35:54,626 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 21:35:54,626 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 21:35:54,818 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 21:35:54,834 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 21:35:54,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 21:35:54,837 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 21:35:54,837 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 21:35:54,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2024-05-06 21:35:56,015 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 21:35:56,208 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 21:35:56,209 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2024-05-06 21:35:56,216 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/db76c9223/2fe61a539d504c46ace0e9dd40fd6dcb/FLAGddcf9622d [2024-05-06 21:35:56,230 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/db76c9223/2fe61a539d504c46ace0e9dd40fd6dcb [2024-05-06 21:35:56,233 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 21:35:56,234 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 21:35:56,237 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 21:35:56,237 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 21:35:56,240 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 21:35:56,241 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,241 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29723017 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56, skipping insertion in model container [2024-05-06 21:35:56,241 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,269 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 21:35:56,385 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/chl-array-int-trans.wvr.c[2728,2741] [2024-05-06 21:35:56,395 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 21:35:56,402 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 21:35:56,418 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/chl-array-int-trans.wvr.c[2728,2741] [2024-05-06 21:35:56,421 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 21:35:56,437 INFO L206 MainTranslator]: Completed translation [2024-05-06 21:35:56,437 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56 WrapperNode [2024-05-06 21:35:56,437 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 21:35:56,438 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 21:35:56,438 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 21:35:56,438 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 21:35:56,443 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,451 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,473 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 285 [2024-05-06 21:35:56,473 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 21:35:56,474 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 21:35:56,474 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 21:35:56,474 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 21:35:56,486 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,499 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,499 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,506 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,509 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,510 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,511 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,530 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 21:35:56,531 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 21:35:56,531 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 21:35:56,531 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 21:35:56,531 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (1/1) ... [2024-05-06 21:35:56,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 21:35:56,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:35:56,567 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 21:35:56,584 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 21:35:56,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 21:35:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 21:35:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-06 21:35:56,614 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 21:35:56,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 21:35:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 21:35:56,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 21:35:56,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 21:35:56,616 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 21:35:56,690 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 21:35:56,691 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 21:35:56,969 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 21:35:56,979 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 21:35:56,979 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-05-06 21:35:56,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 09:35:56 BoogieIcfgContainer [2024-05-06 21:35:56,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 21:35:56,982 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 21:35:56,982 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 21:35:56,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 21:35:56,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 09:35:56" (1/3) ... [2024-05-06 21:35:56,984 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d05676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 09:35:56, skipping insertion in model container [2024-05-06 21:35:56,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 09:35:56" (2/3) ... [2024-05-06 21:35:56,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d05676 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 09:35:56, skipping insertion in model container [2024-05-06 21:35:56,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 09:35:56" (3/3) ... [2024-05-06 21:35:56,986 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2024-05-06 21:35:56,991 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 21:35:57,000 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 21:35:57,000 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 21:35:57,000 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 21:35:57,094 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-06 21:35:57,138 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 21:35:57,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 21:35:57,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:35:57,140 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 21:35:57,143 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 21:35:57,168 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 21:35:57,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:35:57,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 21:35:57,197 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;@72047e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 21:35:57,197 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-06 21:35:57,352 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:35:57,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:35:57,354 INFO L85 PathProgramCache]: Analyzing trace with hash 144759930, now seen corresponding path program 1 times [2024-05-06 21:35:57,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:35:57,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520810566] [2024-05-06 21:35:57,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:35:57,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:35:57,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:35:57,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 21:35:57,680 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:35:57,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520810566] [2024-05-06 21:35:57,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520810566] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 21:35:57,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 21:35:57,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 21:35:57,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82824220] [2024-05-06 21:35:57,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:35:57,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 21:35:57,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:35:57,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 21:35:57,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 21:35:57,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:57,718 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:35:57,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 states have internal predecessors, (277), 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 21:35:57,720 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:58,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 21:35:58,307 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:35:58,307 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:35:58,307 INFO L85 PathProgramCache]: Analyzing trace with hash -873191136, now seen corresponding path program 1 times [2024-05-06 21:35:58,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:35:58,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587347063] [2024-05-06 21:35:58,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:35:58,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:35:58,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:35:58,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 21:35:58,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:35:58,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587347063] [2024-05-06 21:35:58,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587347063] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 21:35:58,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 21:35:58,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 21:35:58,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176601340] [2024-05-06 21:35:58,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:35:58,922 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 21:35:58,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:35:58,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 21:35:58,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-06 21:35:58,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:58,925 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:35:58,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.714285714285715) internal successors, (264), 7 states have internal predecessors, (264), 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 21:35:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:58,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:59,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:59,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:35:59,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 21:35:59,400 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:35:59,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:35:59,401 INFO L85 PathProgramCache]: Analyzing trace with hash 938198523, now seen corresponding path program 1 times [2024-05-06 21:35:59,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:35:59,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373556035] [2024-05-06 21:35:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:35:59,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:35:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:35:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 21:35:59,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:35:59,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373556035] [2024-05-06 21:35:59,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373556035] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 21:35:59,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 21:35:59,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 21:35:59,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425310316] [2024-05-06 21:35:59,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:35:59,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 21:35:59,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:35:59,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 21:35:59,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-06 21:35:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:59,647 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:35:59,647 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 38.857142857142854) internal successors, (272), 7 states have internal predecessors, (272), 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 21:35:59,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:35:59,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:35:59,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:00,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:00,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:00,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:00,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-06 21:36:00,062 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:36:00,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:36:00,062 INFO L85 PathProgramCache]: Analyzing trace with hash 220235464, now seen corresponding path program 1 times [2024-05-06 21:36:00,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:36:00,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940667364] [2024-05-06 21:36:00,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:00,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:36:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:00,308 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 21:36:00,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:36:00,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940667364] [2024-05-06 21:36:00,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940667364] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 21:36:00,309 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 21:36:00,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 21:36:00,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124328798] [2024-05-06 21:36:00,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:36:00,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 21:36:00,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:36:00,311 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 21:36:00,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-06 21:36:00,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:00,311 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:36:00,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 states have internal predecessors, (280), 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 21:36:00,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:00,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:00,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:00,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:00,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:00,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:00,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-06 21:36:00,726 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:36:00,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:36:00,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2041377866, now seen corresponding path program 1 times [2024-05-06 21:36:00,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:36:00,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121464121] [2024-05-06 21:36:00,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:00,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:36:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:03,612 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-06 21:36:03,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:36:03,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121464121] [2024-05-06 21:36:03,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121464121] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 21:36:03,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 21:36:03,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2024-05-06 21:36:03,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565878664] [2024-05-06 21:36:03,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:36:03,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-06 21:36:03,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:36:03,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-06 21:36:03,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1910, Unknown=0, NotChecked=0, Total=2070 [2024-05-06 21:36:03,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:03,615 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:36:03,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.260869565217392) internal successors, (288), 46 states have internal predecessors, (288), 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 21:36:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:03,616 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:08,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-05-06 21:36:08,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-06 21:36:08,923 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:36:08,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:36:08,923 INFO L85 PathProgramCache]: Analyzing trace with hash 339577789, now seen corresponding path program 1 times [2024-05-06 21:36:08,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:36:08,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609801829] [2024-05-06 21:36:08,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:08,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:36:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:09,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 21:36:09,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:36:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609801829] [2024-05-06 21:36:09,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609801829] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 21:36:09,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [516365464] [2024-05-06 21:36:09,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:09,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:36:09,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:36:09,210 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 21:36:09,216 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 21:36:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:09,355 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 21:36:09,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 21:36:09,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 21:36:09,802 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 21:36:10,168 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 21:36:10,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [516365464] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 21:36:10,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 21:36:10,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-05-06 21:36:10,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257814580] [2024-05-06 21:36:10,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 21:36:10,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-06 21:36:10,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:36:10,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-06 21:36:10,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2024-05-06 21:36:10,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:10,171 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:36:10,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 22.857142857142858) internal successors, (640), 28 states have internal predecessors, (640), 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 21:36:10,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-05-06 21:36:10,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-05-06 21:36:11,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:11,360 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-06 21:36:11,540 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,SelfDestructingSolverStorable5 [2024-05-06 21:36:11,541 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:36:11,541 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:36:11,541 INFO L85 PathProgramCache]: Analyzing trace with hash -160831488, now seen corresponding path program 2 times [2024-05-06 21:36:11,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:36:11,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610025720] [2024-05-06 21:36:11,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:11,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:36:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:13,690 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-06 21:36:13,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:36:13,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610025720] [2024-05-06 21:36:13,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610025720] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 21:36:13,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1491292280] [2024-05-06 21:36:13,690 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 21:36:13,691 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:36:13,691 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:36:13,692 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 21:36:13,720 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 21:36:13,848 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 21:36:13,848 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 21:36:13,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 100 conjunts are in the unsatisfiable core [2024-05-06 21:36:13,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 21:36:14,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-05-06 21:36:14,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-05-06 21:36:15,171 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-06 21:36:15,171 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-06 21:36:15,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 21:36:15,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 21:36:15,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 21:36:16,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 21:36:16,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-06 21:36:18,903 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-05-06 21:36:18,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 65 treesize of output 41 [2024-05-06 21:36:19,353 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-06 21:36:19,353 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 21:36:22,304 WARN L854 $PredicateComparison]: unable to prove that (forall ((~a3~0.base Int) (~a1~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse0 (select .cse5 ~a3~0.base)) (.cse1 (select .cse5 ~a1~0.base)) (.cse2 (select .cse5 c_~a2~0.base))) (or (< (select .cse0 c_~a3~0.offset) (select .cse1 c_~a1~0.offset)) (let ((.cse3 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (< (select .cse2 (+ .cse3 c_~a2~0.offset)) (+ (select .cse0 (+ .cse3 c_~a3~0.offset)) 1))) (let ((.cse4 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse1 (+ c_~a1~0.offset .cse4)) (+ (select .cse2 (+ c_~a2~0.offset .cse4)) 1))))))) is different from false [2024-05-06 21:36:22,369 WARN L854 $PredicateComparison]: unable to prove that (forall ((~a3~0.base Int) (~a1~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse0 (select (select .cse4 ~a3~0.base) c_~a3~0.offset)) (.cse1 (select .cse4 ~a1~0.base)) (.cse2 (select .cse4 c_~a2~0.base))) (or (< .cse0 (select .cse1 c_~a1~0.offset)) (< (select .cse2 c_~a2~0.offset) (+ .cse0 1)) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse1 (+ c_~a1~0.offset .cse3)) (+ (select .cse2 (+ c_~a2~0.offset .cse3)) 1))))))) is different from false [2024-05-06 21:36:22,399 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_212 (Array Int Int)) (~a1~0.base Int) (~a3~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse1 (select (select .cse4 ~a3~0.base) c_~a3~0.offset)) (.cse2 (select .cse4 ~a1~0.base)) (.cse0 (select .cse4 c_~a2~0.base))) (or (< (select .cse0 c_~a2~0.offset) (+ .cse1 1)) (< .cse1 (select .cse2 c_~a1~0.offset)) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse2 (+ c_~a1~0.offset .cse3)) (+ (select .cse0 (+ c_~a2~0.offset .cse3)) 1))))))) is different from false [2024-05-06 21:36:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-05-06 21:36:22,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1491292280] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-06 21:36:22,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-06 21:36:22,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [44, 55] total 123 [2024-05-06 21:36:22,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755659241] [2024-05-06 21:36:22,454 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:36:22,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-06 21:36:22,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:36:22,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-06 21:36:22,458 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=13683, Unknown=3, NotChecked=714, Total=15006 [2024-05-06 21:36:22,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:22,458 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:36:22,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.735294117647058) internal successors, (297), 34 states have internal predecessors, (297), 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 21:36:22,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:22,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:22,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:22,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:22,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-05-06 21:36:22,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:22,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:22,965 WARN L854 $PredicateComparison]: unable to prove that (and (or (< c_~res2~0 1) (< c_~res1~0 1)) (forall ((v_ArrVal_212 (Array Int Int)) (~a1~0.base Int) (~a3~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse1 (select (select .cse4 ~a3~0.base) c_~a3~0.offset)) (.cse2 (select .cse4 ~a1~0.base)) (.cse0 (select .cse4 c_~a2~0.base))) (or (< (select .cse0 c_~a2~0.offset) (+ .cse1 1)) (< .cse1 (select .cse2 c_~a1~0.offset)) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse2 (+ c_~a1~0.offset .cse3)) (+ (select .cse0 (+ c_~a2~0.offset .cse3)) 1)))))))) is different from false [2024-05-06 21:36:30,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-06 21:36:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:30,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-06 21:36:30,814 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 21:36:31,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:36:31,010 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:36:31,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:36:31,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1764081504, now seen corresponding path program 1 times [2024-05-06 21:36:31,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:36:31,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820762107] [2024-05-06 21:36:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:31,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:36:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:31,343 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 21:36:31,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:36:31,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820762107] [2024-05-06 21:36:31,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820762107] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 21:36:31,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664005254] [2024-05-06 21:36:31,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:31,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:36:31,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:36:31,345 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 21:36:31,347 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 21:36:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:31,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-06 21:36:31,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 21:36:32,051 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 21:36:32,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 21:36:32,642 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 21:36:32,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664005254] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-06 21:36:32,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-06 21:36:32,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 35 [2024-05-06 21:36:32,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1308006079] [2024-05-06 21:36:32,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:36:32,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 21:36:32,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:36:32,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 21:36:32,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-05-06 21:36:32,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:32,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:36:32,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 18.066666666666666) internal successors, (271), 15 states have internal predecessors, (271), 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 21:36:32,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:32,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:32,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-06 21:36:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-06 21:36:32,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-06 21:36:37,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:36:37,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-06 21:36:37,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:36:37,767 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:36:37,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:36:37,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1757342136, now seen corresponding path program 1 times [2024-05-06 21:36:37,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:36:37,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2053549359] [2024-05-06 21:36:37,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:37,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:36:37,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:37,968 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-06 21:36:37,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:36:37,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2053549359] [2024-05-06 21:36:37,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2053549359] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 21:36:37,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056188181] [2024-05-06 21:36:37,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:37,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:36:37,969 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:36:37,970 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 21:36:37,987 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 21:36:38,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:38,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 21:36:38,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 21:36:38,486 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-06 21:36:38,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 21:36:38,772 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-06 21:36:38,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056188181] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 21:36:38,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 21:36:38,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-06 21:36:38,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790297364] [2024-05-06 21:36:38,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 21:36:38,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-06 21:36:38,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:36:38,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-06 21:36:38,775 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-06 21:36:38,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:38,775 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:36:38,775 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 20.583333333333332) internal successors, (494), 24 states have internal predecessors, (494), 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 21:36:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:38,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-06 21:36:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-06 21:36:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:36:38,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-06 21:36:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:39,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-06 21:36:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:36:39,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:36:39,681 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-06 21:36:39,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-05-06 21:36:39,881 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:36:39,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:36:39,881 INFO L85 PathProgramCache]: Analyzing trace with hash -201662069, now seen corresponding path program 2 times [2024-05-06 21:36:39,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:36:39,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290767587] [2024-05-06 21:36:39,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:36:39,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:36:40,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:36:41,813 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-06 21:36:41,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:36:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [290767587] [2024-05-06 21:36:41,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [290767587] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 21:36:41,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723310090] [2024-05-06 21:36:41,813 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 21:36:41,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:36:41,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:36:41,816 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 21:36:41,817 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 21:36:41,980 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 21:36:41,980 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 21:36:41,983 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 69 conjunts are in the unsatisfiable core [2024-05-06 21:36:41,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 21:36:43,284 INFO L349 Elim1Store]: treesize reduction 3, result has 91.9 percent of original size [2024-05-06 21:36:43,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 51 treesize of output 52 [2024-05-06 21:36:43,952 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-06 21:36:43,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 21:36:45,790 INFO L349 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2024-05-06 21:36:45,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 236 [2024-05-06 21:36:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-06 21:36:54,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723310090] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 21:36:54,072 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 21:36:54,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 33, 29] total 96 [2024-05-06 21:36:54,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379941629] [2024-05-06 21:36:54,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 21:36:54,075 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-05-06 21:36:54,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:36:54,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-05-06 21:36:54,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=8738, Unknown=0, NotChecked=0, Total=9120 [2024-05-06 21:36:54,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:54,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:36:54,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 7.072916666666667) internal successors, (679), 96 states have internal predecessors, (679), 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 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:36:54,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-05-06 21:37:04,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:37:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-06 21:37:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:37:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:37:04,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-05-06 21:37:04,951 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 21:37:05,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-06 21:37:05,149 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:37:05,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:37:05,150 INFO L85 PathProgramCache]: Analyzing trace with hash 208925382, now seen corresponding path program 1 times [2024-05-06 21:37:05,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:37:05,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692512885] [2024-05-06 21:37:05,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:37:05,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:37:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:37:06,405 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-06 21:37:06,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:37:06,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692512885] [2024-05-06 21:37:06,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692512885] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 21:37:06,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 21:37:06,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2024-05-06 21:37:06,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647859739] [2024-05-06 21:37:06,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:37:06,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-06 21:37:06,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:37:06,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-06 21:37:06,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=734, Unknown=0, NotChecked=0, Total=870 [2024-05-06 21:37:06,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:06,411 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:37:06,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.2) internal successors, (306), 30 states have internal predecessors, (306), 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 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-05-06 21:37:06,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:37:16,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:37:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-05-06 21:37:16,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-05-06 21:37:16,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-05-06 21:37:16,552 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:37:16,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:37:16,553 INFO L85 PathProgramCache]: Analyzing trace with hash 854427541, now seen corresponding path program 1 times [2024-05-06 21:37:16,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:37:16,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830264429] [2024-05-06 21:37:16,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:37:16,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:37:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:37:16,809 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 21:37:16,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:37:16,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830264429] [2024-05-06 21:37:16,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830264429] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 21:37:16,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1411053919] [2024-05-06 21:37:16,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:37:16,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:37:16,810 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:37:16,811 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 21:37:16,820 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 21:37:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:37:16,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-06 21:37:16,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 21:37:17,370 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 21:37:17,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 21:37:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 21:37:17,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1411053919] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-06 21:37:17,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-06 21:37:17,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 35 [2024-05-06 21:37:17,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824855905] [2024-05-06 21:37:17,855 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:37:17,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 21:37:17,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:37:17,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 21:37:17,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-05-06 21:37:17,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:17,856 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:37:17,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 18.066666666666666) internal successors, (271), 15 states have internal predecessors, (271), 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 21:37:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:37:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:17,856 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-05-06 21:37:17,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:38:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:38:18,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:38:18,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:38:18,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:38:18,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-06 21:38:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:38:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-06 21:38:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:38:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:38:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2024-05-06 21:38:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-06 21:38:18,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 21:38:18,573 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 21:38:18,772 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,SelfDestructingSolverStorable11 [2024-05-06 21:38:18,773 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:38:18,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:38:18,785 INFO L85 PathProgramCache]: Analyzing trace with hash 844866225, now seen corresponding path program 1 times [2024-05-06 21:38:18,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:38:18,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440417] [2024-05-06 21:38:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:38:18,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:38:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:38:20,568 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-06 21:38:20,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:38:20,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440417] [2024-05-06 21:38:20,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440417] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 21:38:20,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [97069852] [2024-05-06 21:38:20,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:38:20,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:38:20,569 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 21:38:20,570 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 21:38:20,572 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 21:38:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:38:20,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 68 conjunts are in the unsatisfiable core [2024-05-06 21:38:20,783 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 21:38:22,225 INFO L349 Elim1Store]: treesize reduction 6, result has 83.8 percent of original size [2024-05-06 21:38:22,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 63 treesize of output 53 [2024-05-06 21:38:22,888 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-06 21:38:22,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 21:38:24,788 INFO L349 Elim1Store]: treesize reduction 8, result has 96.5 percent of original size [2024-05-06 21:38:24,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 235 [2024-05-06 21:38:32,158 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-06 21:38:32,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [97069852] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 21:38:32,158 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 21:38:32,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 37, 32] total 102 [2024-05-06 21:38:32,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665337894] [2024-05-06 21:38:32,159 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 21:38:32,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-05-06 21:38:32,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:38:32,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-05-06 21:38:32,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=9803, Unknown=0, NotChecked=0, Total=10302 [2024-05-06 21:38:32,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:38:32,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:38:32,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 7.323529411764706) internal successors, (747), 102 states have internal predecessors, (747), 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 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-06 21:38:32,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 21:38:32,165 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:39:32,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-05-06 21:39:32,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-06 21:39:32,047 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-06 21:39:32,244 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 21:39:32,244 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-06 21:39:32,244 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 21:39:32,244 INFO L85 PathProgramCache]: Analyzing trace with hash 2121209250, now seen corresponding path program 1 times [2024-05-06 21:39:32,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 21:39:32,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027049463] [2024-05-06 21:39:32,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 21:39:32,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 21:39:32,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 21:39:33,457 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-05-06 21:39:33,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 21:39:33,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027049463] [2024-05-06 21:39:33,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027049463] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 21:39:33,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 21:39:33,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2024-05-06 21:39:33,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388298768] [2024-05-06 21:39:33,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 21:39:33,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-05-06 21:39:33,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 21:39:33,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-05-06 21:39:33,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=734, Unknown=0, NotChecked=0, Total=870 [2024-05-06 21:39:33,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:39:33,459 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 21:39:33,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.2) internal successors, (306), 30 states have internal predecessors, (306), 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 21:39:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 21:39:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:39:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:39:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 21:39:33,459 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-06 21:39:33,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.