/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 --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/goblint-regression/28-race_reach_71-funloop_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 19:43:33,511 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 19:43:33,577 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 19:43:33,581 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 19:43:33,581 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 19:43:33,625 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 19:43:33,626 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 19:43:33,626 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 19:43:33,627 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 19:43:33,630 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 19:43:33,631 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 19:43:33,631 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 19:43:33,631 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 19:43:33,632 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 19:43:33,632 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 19:43:33,632 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 19:43:33,632 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 19:43:33,632 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 19:43:33,633 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 19:43:33,633 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 19:43:33,633 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 19:43:33,634 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 19:43:33,634 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 19:43:33,634 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 19:43:33,634 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 19:43:33,634 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 19:43:33,635 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 19:43:33,635 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 19:43:33,635 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 19:43:33,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 19:43:33,636 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 19:43:33,636 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 19:43:33,636 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 19:43:33,636 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 19:43:33,637 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 19:43:33,637 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 19:43:33,637 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 19:43:33,637 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 19:43:33,637 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 19:43:33,637 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 19:43:33,804 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 19:43:33,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 19:43:33,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 19:43:33,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 19:43:33,835 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 19:43:33,836 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2024-04-05 19:43:34,838 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 19:43:35,057 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 19:43:35,057 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2024-04-05 19:43:35,067 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ed35367e/a7ec1f315f364fc6955066795a9bd0d5/FLAG5cceaa8e2 [2024-04-05 19:43:35,077 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2ed35367e/a7ec1f315f364fc6955066795a9bd0d5 [2024-04-05 19:43:35,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 19:43:35,079 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 19:43:35,080 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 19:43:35,080 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 19:43:35,084 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 19:43:35,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc2d6a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35, skipping insertion in model container [2024-04-05 19:43:35,085 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 19:43:35,440 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-04-05 19:43:35,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 19:43:35,488 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 19:43:35,515 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i[41323,41336] [2024-04-05 19:43:35,522 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 19:43:35,559 INFO L206 MainTranslator]: Completed translation [2024-04-05 19:43:35,560 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35 WrapperNode [2024-04-05 19:43:35,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 19:43:35,563 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 19:43:35,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 19:43:35,566 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 19:43:35,572 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,605 INFO L138 Inliner]: procedures = 272, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 282 [2024-04-05 19:43:35,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 19:43:35,606 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 19:43:35,606 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 19:43:35,606 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 19:43:35,613 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,614 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,623 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,623 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,655 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 19:43:35,659 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 19:43:35,659 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 19:43:35,659 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 19:43:35,660 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (1/1) ... [2024-04-05 19:43:35,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 19:43:35,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:35,699 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) [2024-04-05 19:43:35,725 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 [2024-04-05 19:43:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 19:43:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 19:43:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-05 19:43:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 19:43:35,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 19:43:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-05 19:43:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 19:43:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-04-05 19:43:35,748 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-04-05 19:43:35,748 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 19:43:35,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 19:43:35,749 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 19:43:35,751 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 19:43:35,891 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 19:43:35,893 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 19:43:36,151 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 19:43:36,209 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 19:43:36,209 INFO L309 CfgBuilder]: Removed 35 assume(true) statements. [2024-04-05 19:43:36,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 07:43:36 BoogieIcfgContainer [2024-04-05 19:43:36,211 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 19:43:36,217 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 19:43:36,217 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 19:43:36,220 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 19:43:36,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 07:43:35" (1/3) ... [2024-04-05 19:43:36,220 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a787c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 07:43:36, skipping insertion in model container [2024-04-05 19:43:36,220 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 07:43:35" (2/3) ... [2024-04-05 19:43:36,221 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a787c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 07:43:36, skipping insertion in model container [2024-04-05 19:43:36,221 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 07:43:36" (3/3) ... [2024-04-05 19:43:36,222 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2024-04-05 19:43:36,227 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 19:43:36,234 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 19:43:36,234 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-05 19:43:36,234 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 19:43:36,321 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-04-05 19:43:36,350 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 19:43:36,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 19:43:36,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:36,353 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) [2024-04-05 19:43:36,354 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 [2024-04-05 19:43:36,419 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 19:43:36,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:36,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 19:43:36,440 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;@550311a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 19:43:36,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-05 19:43:36,502 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 19:43:36,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:36,504 INFO L85 PathProgramCache]: Analyzing trace with hash -832533750, now seen corresponding path program 1 times [2024-04-05 19:43:36,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:36,511 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782458506] [2024-04-05 19:43:36,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:36,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:36,740 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:36,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:36,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782458506] [2024-04-05 19:43:36,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782458506] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:43:36,741 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:43:36,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 19:43:36,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908552617] [2024-04-05 19:43:36,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:43:36,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 19:43:36,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:36,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 19:43:36,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 19:43:36,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:36,765 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:36,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 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) [2024-04-05 19:43:36,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:36,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:36,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 19:43:36,799 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 19:43:36,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:36,799 INFO L85 PathProgramCache]: Analyzing trace with hash -346641291, now seen corresponding path program 1 times [2024-04-05 19:43:36,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:36,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1175163692] [2024-04-05 19:43:36,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:36,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:36,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:36,949 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:36,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:36,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1175163692] [2024-04-05 19:43:36,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1175163692] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:36,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [665227762] [2024-04-05 19:43:36,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:36,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:36,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:37,023 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) [2024-04-05 19:43:37,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 19:43:37,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:37,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 19:43:37,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:37,211 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:37,211 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:37,249 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:37,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [665227762] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:37,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:37,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-05 19:43:37,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229539664] [2024-04-05 19:43:37,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:37,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 19:43:37,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:37,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 19:43:37,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-05 19:43:37,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:37,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:37,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 19:43:37,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:37,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:37,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:37,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-04-05 19:43:37,554 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 19:43:37,554 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:37,554 INFO L85 PathProgramCache]: Analyzing trace with hash 381373845, now seen corresponding path program 2 times [2024-04-05 19:43:37,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:37,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93681348] [2024-04-05 19:43:37,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:37,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:37,699 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:37,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:37,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93681348] [2024-04-05 19:43:37,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93681348] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:37,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142399083] [2024-04-05 19:43:37,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:43:37,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:37,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:37,701 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) [2024-04-05 19:43:37,704 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 19:43:37,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:43:37,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:37,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 19:43:37,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:37,824 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:37,825 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:37,905 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:37,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142399083] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:37,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:37,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-05 19:43:37,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113907633] [2024-04-05 19:43:37,907 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:37,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 19:43:37,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 19:43:37,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-05 19:43:37,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:37,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:37,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 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) [2024-04-05 19:43:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:37,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:38,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:38,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:38,290 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:38,291 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 19:43:38,291 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:38,291 INFO L85 PathProgramCache]: Analyzing trace with hash 487184341, now seen corresponding path program 3 times [2024-04-05 19:43:38,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:38,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002376085] [2024-04-05 19:43:38,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:38,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:38,699 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:38,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:38,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002376085] [2024-04-05 19:43:38,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002376085] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:38,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980563171] [2024-04-05 19:43:38,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 19:43:38,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:38,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:38,716 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) [2024-04-05 19:43:38,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 19:43:38,833 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-05 19:43:38,834 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:38,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-05 19:43:38,836 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:38,902 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:38,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-05 19:43:39,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980563171] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:39,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:39,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-04-05 19:43:39,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824975972] [2024-04-05 19:43:39,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:39,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-05 19:43:39,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:39,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-05 19:43:39,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-05 19:43:39,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:39,059 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:39,059 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.173913043478261) internal successors, (96), 23 states have internal predecessors, (96), 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) [2024-04-05 19:43:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:39,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:39,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:39,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:39,329 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 19:43:39,526 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:39,526 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-05 19:43:39,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:39,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1384418966, now seen corresponding path program 4 times [2024-04-05 19:43:39,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:39,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245515396] [2024-04-05 19:43:39,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:39,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:43:39,546 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 19:43:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:43:39,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-05 19:43:39,585 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-05 19:43:39,586 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-04-05 19:43:39,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-04-05 19:43:39,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-04-05 19:43:39,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-04-05 19:43:39,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-05 19:43:39,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 19:43:39,597 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1] [2024-04-05 19:43:39,598 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-05 19:43:39,598 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-04-05 19:43:39,642 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-05 19:43:39,648 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 19:43:39,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 19:43:39,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:39,649 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 19:43:39,667 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 19:43:39,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:39,668 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 19:43:39,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-04-05 19:43:39,668 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;@550311a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 19:43:39,668 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-05 19:43:39,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 19:43:39,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:39,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1777710314, now seen corresponding path program 1 times [2024-04-05 19:43:39,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:39,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112303496] [2024-04-05 19:43:39,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:39,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:39,778 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:39,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:39,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112303496] [2024-04-05 19:43:39,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112303496] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:43:39,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:43:39,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 19:43:39,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322795271] [2024-04-05 19:43:39,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:43:39,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 19:43:39,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:39,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 19:43:39,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 19:43:39,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:39,780 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:39,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 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) [2024-04-05 19:43:39,780 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:39,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:39,806 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-05 19:43:39,806 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 19:43:39,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:39,806 INFO L85 PathProgramCache]: Analyzing trace with hash 1414606418, now seen corresponding path program 1 times [2024-04-05 19:43:39,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:39,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205312304] [2024-04-05 19:43:39,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:39,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:39,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:39,865 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:39,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:39,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205312304] [2024-04-05 19:43:39,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205312304] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:39,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422173003] [2024-04-05 19:43:39,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:39,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:39,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:39,868 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) [2024-04-05 19:43:39,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 19:43:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:39,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 19:43:39,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:39,988 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:39,988 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:40,009 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:40,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422173003] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:40,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:40,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-05 19:43:40,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6703275] [2024-04-05 19:43:40,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:40,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 19:43:40,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:40,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 19:43:40,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-05 19:43:40,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:40,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:40,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 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) [2024-04-05 19:43:40,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:40,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:40,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:40,115 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:40,305 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:40,305 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 19:43:40,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:40,306 INFO L85 PathProgramCache]: Analyzing trace with hash -1962647662, now seen corresponding path program 2 times [2024-04-05 19:43:40,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:40,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381121283] [2024-04-05 19:43:40,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:40,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:40,403 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:40,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:40,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381121283] [2024-04-05 19:43:40,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381121283] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:40,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [745521773] [2024-04-05 19:43:40,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:43:40,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:40,404 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:40,405 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) [2024-04-05 19:43:40,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 19:43:40,530 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:43:40,530 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:40,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 19:43:40,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:40,564 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:40,564 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:40,629 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:40,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [745521773] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:40,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:40,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-05 19:43:40,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665739118] [2024-04-05 19:43:40,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:40,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 19:43:40,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:40,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 19:43:40,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-05 19:43:40,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:40,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:40,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 18 states have internal predecessors, (95), 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) [2024-04-05 19:43:40,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:40,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:40,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:40,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:40,780 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:40,969 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,SelfDestructingSolverStorable7 [2024-04-05 19:43:40,969 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 19:43:40,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:40,969 INFO L85 PathProgramCache]: Analyzing trace with hash -1983311342, now seen corresponding path program 3 times [2024-04-05 19:43:40,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:40,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627247163] [2024-04-05 19:43:40,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:40,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:41,157 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:41,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:41,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627247163] [2024-04-05 19:43:41,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627247163] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:41,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1624628757] [2024-04-05 19:43:41,157 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 19:43:41,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:41,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:41,158 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) [2024-04-05 19:43:41,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 19:43:41,273 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 19:43:41,273 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:41,274 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 19:43:41,276 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:41,492 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 11 treesize of output 7 [2024-04-05 19:43:41,673 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-05 19:43:41,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:41,752 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-05 19:43:41,805 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-05 19:43:41,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1624628757] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:41,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:41,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-05 19:43:41,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52360392] [2024-04-05 19:43:41,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:41,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-05 19:43:41,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:41,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-05 19:43:41,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-05 19:43:41,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:41,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:41,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.28125) internal successors, (201), 32 states have internal predecessors, (201), 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) [2024-04-05 19:43:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:41,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:42,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:42,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 19:43:42,413 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:42,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:42,611 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 19:43:42,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:42,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1744496907, now seen corresponding path program 1 times [2024-04-05 19:43:42,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:42,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677579778] [2024-04-05 19:43:42,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:42,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:42,829 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:42,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:42,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677579778] [2024-04-05 19:43:42,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677579778] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:42,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1878635046] [2024-04-05 19:43:42,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:42,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:42,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:42,831 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:42,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 19:43:42,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:42,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 19:43:42,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:42,981 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:42,981 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:43,123 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 19:43:43,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1878635046] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:43,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:43,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-05 19:43:43,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121074614] [2024-04-05 19:43:43,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:43,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-05 19:43:43,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:43,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-05 19:43:43,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-05 19:43:43,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:43,125 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:43,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.695652173913044) internal successors, (108), 23 states have internal predecessors, (108), 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) [2024-04-05 19:43:43,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:43,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:43,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:43,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 19:43:43,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:43,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 19:43:43,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:43,343 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:43,541 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-05 19:43:43,542 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-05 19:43:43,542 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:43,542 INFO L85 PathProgramCache]: Analyzing trace with hash -1607660107, now seen corresponding path program 2 times [2024-04-05 19:43:43,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:43,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092237802] [2024-04-05 19:43:43,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:43,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:43,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:43:43,558 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 19:43:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:43:43,574 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-05 19:43:43,574 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-05 19:43:43,575 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-04-05 19:43:43,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-05 19:43:43,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-04-05 19:43:43,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-05 19:43:43,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-05 19:43:43,575 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-05 19:43:43,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-04-05 19:43:43,576 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1] [2024-04-05 19:43:43,576 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-05 19:43:43,576 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-04-05 19:43:43,600 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 19:43:43,603 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 19:43:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 19:43:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:43,625 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 19:43:43,637 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2024-04-05 19:43:43,639 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 19:43:43,639 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:43,639 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 19:43:43,639 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;@550311a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 19:43:43,639 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-05 19:43:43,732 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:43,732 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:43,732 INFO L85 PathProgramCache]: Analyzing trace with hash 375817319, now seen corresponding path program 1 times [2024-04-05 19:43:43,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:43,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830974986] [2024-04-05 19:43:43,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:43,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:43,798 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-04-05 19:43:43,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:43,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830974986] [2024-04-05 19:43:43,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830974986] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:43:43,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:43:43,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 19:43:43,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613819710] [2024-04-05 19:43:43,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:43:43,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 19:43:43,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:43,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 19:43:43,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 19:43:43,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:43,799 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:43,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-04-05 19:43:43,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:43,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:43,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-05 19:43:43,866 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:43,867 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:43,867 INFO L85 PathProgramCache]: Analyzing trace with hash 1172841755, now seen corresponding path program 1 times [2024-04-05 19:43:43,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:43,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457813578] [2024-04-05 19:43:43,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:43,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:43,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:43,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:43,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457813578] [2024-04-05 19:43:43,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457813578] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:43,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1803990161] [2024-04-05 19:43:43,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:43,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:43,910 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:43,937 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:43,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 19:43:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:44,046 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 19:43:44,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:44,060 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:44,079 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:44,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1803990161] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:44,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:44,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-05 19:43:44,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [437282711] [2024-04-05 19:43:44,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:44,079 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 19:43:44,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:44,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 19:43:44,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-05 19:43:44,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:44,080 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:44,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 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) [2024-04-05 19:43:44,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:44,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:44,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:44,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-05 19:43:44,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:44,341 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:44,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:44,341 INFO L85 PathProgramCache]: Analyzing trace with hash 914881915, now seen corresponding path program 2 times [2024-04-05 19:43:44,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:44,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382539389] [2024-04-05 19:43:44,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:44,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:44,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:44,457 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:44,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:44,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382539389] [2024-04-05 19:43:44,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382539389] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:44,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015661736] [2024-04-05 19:43:44,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:43:44,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:44,457 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:44,458 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:44,475 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 19:43:44,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:43:44,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:44,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 19:43:44,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:44,604 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:44,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:44,660 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:44,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015661736] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:44,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:44,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-05 19:43:44,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23431164] [2024-04-05 19:43:44,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:44,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 19:43:44,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:44,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 19:43:44,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-05 19:43:44,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:44,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:44,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 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) [2024-04-05 19:43:44,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:44,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:44,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:44,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:44,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:44,806 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:44,997 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-05 19:43:44,998 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:44,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:44,998 INFO L85 PathProgramCache]: Analyzing trace with hash 748471867, now seen corresponding path program 3 times [2024-04-05 19:43:44,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:44,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452563079] [2024-04-05 19:43:44,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:44,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:45,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:45,169 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:45,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452563079] [2024-04-05 19:43:45,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452563079] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:45,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147540226] [2024-04-05 19:43:45,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 19:43:45,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:45,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:45,170 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:45,197 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 19:43:45,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 19:43:45,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:45,286 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 19:43:45,288 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:45,546 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 11 treesize of output 7 [2024-04-05 19:43:45,697 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-05 19:43:45,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:45,778 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-05 19:43:45,836 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-05 19:43:45,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147540226] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:45,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:45,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-05 19:43:45,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476028592] [2024-04-05 19:43:45,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:45,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-05 19:43:45,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:45,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-05 19:43:45,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-05 19:43:45,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:45,839 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:45,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.0) internal successors, (256), 32 states have internal predecessors, (256), 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) [2024-04-05 19:43:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:45,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:46,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 19:43:46,492 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:46,692 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-05 19:43:46,693 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:46,693 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:46,693 INFO L85 PathProgramCache]: Analyzing trace with hash 469890083, now seen corresponding path program 1 times [2024-04-05 19:43:46,693 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:46,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974280710] [2024-04-05 19:43:46,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:46,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:46,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:46,887 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:46,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:46,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974280710] [2024-04-05 19:43:46,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974280710] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:46,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848199076] [2024-04-05 19:43:46,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:46,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:46,888 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:46,904 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:46,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 19:43:47,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:47,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 19:43:47,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:47,134 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:47,134 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:47,300 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-05 19:43:47,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848199076] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:47,301 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:47,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-05 19:43:47,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [318875414] [2024-04-05 19:43:47,301 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:47,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-05 19:43:47,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:47,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-05 19:43:47,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-05 19:43:47,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:47,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:47,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 23 states have internal predecessors, (123), 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) [2024-04-05 19:43:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 19:43:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:47,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-05 19:43:47,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:47,527 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:47,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-05 19:43:47,712 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:47,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:47,712 INFO L85 PathProgramCache]: Analyzing trace with hash -1264146493, now seen corresponding path program 2 times [2024-04-05 19:43:47,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:47,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608691801] [2024-04-05 19:43:47,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:47,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:48,398 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-05 19:43:48,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:48,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1608691801] [2024-04-05 19:43:48,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1608691801] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:48,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227398307] [2024-04-05 19:43:48,398 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:43:48,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:48,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:48,400 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:48,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-05 19:43:48,556 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:43:48,556 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:48,557 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 19:43:48,560 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:48,666 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 13 treesize of output 9 [2024-04-05 19:43:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-05 19:43:48,768 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:48,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-05 19:43:48,878 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-05 19:43:48,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227398307] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:48,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:48,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-05 19:43:48,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961039098] [2024-04-05 19:43:48,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:48,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-05 19:43:48,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:48,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-05 19:43:48,882 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-05 19:43:48,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:48,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:48,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.153846153846153) internal successors, (212), 26 states have internal predecessors, (212), 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) [2024-04-05 19:43:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-05 19:43:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:48,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 19:43:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:49,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:43:49,181 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:49,381 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-05 19:43:49,382 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:49,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:49,382 INFO L85 PathProgramCache]: Analyzing trace with hash -1001647832, now seen corresponding path program 1 times [2024-04-05 19:43:49,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:49,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484881571] [2024-04-05 19:43:49,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:49,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:49,965 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-05 19:43:49,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:49,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484881571] [2024-04-05 19:43:49,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484881571] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:49,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374960064] [2024-04-05 19:43:49,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:49,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:49,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:49,982 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:50,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-05 19:43:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:50,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 19:43:50,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:50,280 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 13 treesize of output 9 [2024-04-05 19:43:50,422 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-05 19:43:50,422 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:50,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-05 19:43:50,550 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-05 19:43:50,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374960064] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:50,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:50,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-05 19:43:50,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167941533] [2024-04-05 19:43:50,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:50,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-05 19:43:50,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:50,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-05 19:43:50,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-05 19:43:50,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:50,555 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:50,555 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.076923076923077) internal successors, (236), 26 states have internal predecessors, (236), 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) [2024-04-05 19:43:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 19:43:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:43:50,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 19:43:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:43:50,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:43:50,790 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:50,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-05 19:43:50,990 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-05 19:43:50,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:50,990 INFO L85 PathProgramCache]: Analyzing trace with hash 854900457, now seen corresponding path program 1 times [2024-04-05 19:43:50,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:50,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649194367] [2024-04-05 19:43:50,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:50,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:43:51,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 19:43:51,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:43:51,040 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-05 19:43:51,040 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-05 19:43:51,040 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-04-05 19:43:51,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-04-05 19:43:51,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-04-05 19:43:51,040 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-04-05 19:43:51,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-04-05 19:43:51,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-04-05 19:43:51,041 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-04-05 19:43:51,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-04-05 19:43:51,041 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-05 19:43:51,042 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-05 19:43:51,042 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-04-05 19:43:51,071 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-05 19:43:51,076 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 19:43:51,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 19:43:51,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:51,077 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 19:43:51,081 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 19:43:51,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:51,081 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 19:43:51,082 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;@550311a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 19:43:51,082 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-05 19:43:51,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2024-04-05 19:43:51,173 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:43:51,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:51,174 INFO L85 PathProgramCache]: Analyzing trace with hash 986620046, now seen corresponding path program 1 times [2024-04-05 19:43:51,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:51,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46549486] [2024-04-05 19:43:51,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:51,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:51,208 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-04-05 19:43:51,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:51,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46549486] [2024-04-05 19:43:51,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46549486] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:43:51,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:43:51,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 19:43:51,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251989374] [2024-04-05 19:43:51,209 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:43:51,209 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 19:43:51,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:51,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 19:43:51,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 19:43:51,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:51,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:51,209 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 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) [2024-04-05 19:43:51,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:51,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:51,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-04-05 19:43:51,286 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:43:51,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:51,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1836557068, now seen corresponding path program 1 times [2024-04-05 19:43:51,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:51,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120433051] [2024-04-05 19:43:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:51,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:51,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:51,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120433051] [2024-04-05 19:43:51,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120433051] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:51,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1142769486] [2024-04-05 19:43:51,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:51,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:51,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:51,343 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:51,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-05 19:43:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:51,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 19:43:51,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:51,504 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:51,521 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:51,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1142769486] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:51,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:51,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-05 19:43:51,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684159899] [2024-04-05 19:43:51,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:51,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 19:43:51,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:51,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 19:43:51,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-05 19:43:51,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:51,523 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:51,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 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) [2024-04-05 19:43:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:51,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:51,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:51,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:51,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-05 19:43:51,824 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:43:51,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:51,824 INFO L85 PathProgramCache]: Analyzing trace with hash -1986069196, now seen corresponding path program 2 times [2024-04-05 19:43:51,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:51,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389734905] [2024-04-05 19:43:51,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:51,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:51,915 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:51,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:51,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389734905] [2024-04-05 19:43:51,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389734905] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:51,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [419954143] [2024-04-05 19:43:51,916 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:43:51,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:51,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:51,934 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:51,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-05 19:43:52,109 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:43:52,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:52,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 19:43:52,117 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:52,137 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:52,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:52,185 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:52,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [419954143] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:52,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:52,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-05 19:43:52,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408700347] [2024-04-05 19:43:52,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:52,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 19:43:52,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:52,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 19:43:52,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-05 19:43:52,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:52,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:52,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.5) internal successors, (135), 18 states have internal predecessors, (135), 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) [2024-04-05 19:43:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:52,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:52,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:52,339 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:52,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:52,537 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:43:52,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:52,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1780593228, now seen corresponding path program 3 times [2024-04-05 19:43:52,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:52,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [611441467] [2024-04-05 19:43:52,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:52,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:52,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:52,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [611441467] [2024-04-05 19:43:52,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [611441467] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:52,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2036410369] [2024-04-05 19:43:52,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 19:43:52,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:52,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:52,758 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:52,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-05 19:43:52,914 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 19:43:52,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:52,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-05 19:43:52,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:53,418 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 11 treesize of output 7 [2024-04-05 19:43:53,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:43:53,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 19:43:53,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:43:53,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 19:43:53,694 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-04-05 19:43:53,694 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:53,809 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1013 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1013) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-05 19:43:53,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:43:53,847 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-05 19:43:53,854 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:43:53,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 38 [2024-04-05 19:43:53,857 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-05 19:43:54,089 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 15 not checked. [2024-04-05 19:43:54,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2036410369] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:54,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:54,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-05 19:43:54,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050156600] [2024-04-05 19:43:54,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:54,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 19:43:54,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:54,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 19:43:54,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1100, Unknown=5, NotChecked=68, Total=1332 [2024-04-05 19:43:54,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:54,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:54,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.432432432432432) internal successors, (349), 37 states have internal predecessors, (349), 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) [2024-04-05 19:43:54,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:54,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:54,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:54,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:54,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:54,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:54,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:54,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 19:43:54,920 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:55,112 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-04-05 19:43:55,113 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:43:55,113 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:55,113 INFO L85 PathProgramCache]: Analyzing trace with hash 2002973103, now seen corresponding path program 1 times [2024-04-05 19:43:55,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:55,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010347650] [2024-04-05 19:43:55,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:55,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:55,459 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:55,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:55,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010347650] [2024-04-05 19:43:55,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010347650] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:55,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515567832] [2024-04-05 19:43:55,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:55,460 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:55,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:55,461 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:55,476 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-05 19:43:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:55,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 19:43:55,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:55,690 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:55,832 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-05 19:43:55,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515567832] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:55,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:55,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-05 19:43:55,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165199065] [2024-04-05 19:43:55,833 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:55,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-05 19:43:55,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:55,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-05 19:43:55,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-05 19:43:55,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:55,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:55,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 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) [2024-04-05 19:43:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 19:43:55,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:56,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:56,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:56,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:56,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 19:43:56,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:56,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:56,297 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:56,299 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:43:56,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:56,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1569806703, now seen corresponding path program 2 times [2024-04-05 19:43:56,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:56,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638534102] [2024-04-05 19:43:56,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:56,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:56,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:56,767 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-05 19:43:56,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:56,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638534102] [2024-04-05 19:43:56,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638534102] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:56,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842109289] [2024-04-05 19:43:56,767 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:43:56,767 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:56,767 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:56,782 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:56,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-05 19:43:56,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:43:56,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:43:56,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 19:43:56,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:57,158 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 11 treesize of output 7 [2024-04-05 19:43:57,311 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-05 19:43:57,311 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:57,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-05 19:43:57,436 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-05 19:43:57,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842109289] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:57,436 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:57,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-05 19:43:57,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [689683434] [2024-04-05 19:43:57,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:57,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-05 19:43:57,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:57,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-05 19:43:57,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2024-04-05 19:43:57,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:57,438 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:57,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.923076923076923) internal successors, (258), 26 states have internal predecessors, (258), 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) [2024-04-05 19:43:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 19:43:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:57,439 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:57,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:43:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:57,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 19:43:57,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-05 19:43:58,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-04-05 19:43:58,166 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:43:58,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:43:58,166 INFO L85 PathProgramCache]: Analyzing trace with hash -815455274, now seen corresponding path program 1 times [2024-04-05 19:43:58,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:43:58,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042003141] [2024-04-05 19:43:58,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:58,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:43:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:58,735 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-05 19:43:58,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:43:58,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042003141] [2024-04-05 19:43:58,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042003141] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:43:58,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154974532] [2024-04-05 19:43:58,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:43:58,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:43:58,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:43:58,737 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:43:58,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-05 19:43:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:43:58,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-05 19:43:58,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:43:59,132 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 13 treesize of output 9 [2024-04-05 19:43:59,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:43:59,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-05 19:43:59,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:43:59,425 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-05 19:43:59,478 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-05 19:43:59,478 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:43:59,580 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1275 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1275) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-05 19:43:59,658 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:43:59,658 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-05 19:43:59,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:43:59,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 38 [2024-04-05 19:43:59,666 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-05 19:43:59,824 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 20 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 35 not checked. [2024-04-05 19:43:59,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154974532] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:43:59,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:43:59,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 33 [2024-04-05 19:43:59,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225056255] [2024-04-05 19:43:59,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:43:59,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 19:43:59,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:43:59,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 19:43:59,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=858, Unknown=3, NotChecked=60, Total=1056 [2024-04-05 19:43:59,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:43:59,826 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:43:59,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.030303030303031) internal successors, (298), 33 states have internal predecessors, (298), 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) [2024-04-05 19:43:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:43:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:43:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:43:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:43:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:43:59,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-05 19:43:59,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-05 19:44:00,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:00,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:00,336 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-05 19:44:00,336 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-05 19:44:00,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:00,336 INFO L85 PathProgramCache]: Analyzing trace with hash -1289211337, now seen corresponding path program 1 times [2024-04-05 19:44:00,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:00,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945780573] [2024-04-05 19:44:00,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:00,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:00,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:44:00,354 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 19:44:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:44:00,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-05 19:44:00,382 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-05 19:44:00,382 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-04-05 19:44:00,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-04-05 19:44:00,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-04-05 19:44:00,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-05 19:44:00,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-05 19:44:00,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-05 19:44:00,382 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-05 19:44:00,383 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-05 19:44:00,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-04-05 19:44:00,384 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-05 19:44:00,385 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-05 19:44:00,385 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-04-05 19:44:00,414 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-04-05 19:44:00,417 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 19:44:00,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 19:44:00,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:00,418 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 19:44:00,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Waiting until timeout for monitored process [2024-04-05 19:44:00,422 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 19:44:00,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:00,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 19:44:00,423 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;@550311a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 19:44:00,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-04-05 19:44:00,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:00,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:00,594 INFO L85 PathProgramCache]: Analyzing trace with hash -533970316, now seen corresponding path program 1 times [2024-04-05 19:44:00,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:00,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271483727] [2024-04-05 19:44:00,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:00,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-04-05 19:44:00,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:00,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271483727] [2024-04-05 19:44:00,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271483727] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:44:00,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:44:00,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 19:44:00,638 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280805790] [2024-04-05 19:44:00,638 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:44:00,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 19:44:00,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:00,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 19:44:00,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 19:44:00,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:00,639 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:00,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 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) [2024-04-05 19:44:00,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:00,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:00,755 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-04-05 19:44:00,756 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:00,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:00,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1621975428, now seen corresponding path program 1 times [2024-04-05 19:44:00,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:00,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599693324] [2024-04-05 19:44:00,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:00,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:00,810 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:00,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:00,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599693324] [2024-04-05 19:44:00,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599693324] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:00,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472268930] [2024-04-05 19:44:00,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:00,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:00,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:00,813 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:00,844 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-05 19:44:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:01,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 19:44:01,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:01,057 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:01,057 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:01,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472268930] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:01,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:01,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-05 19:44:01,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064571625] [2024-04-05 19:44:01,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:01,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 19:44:01,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:01,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 19:44:01,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-05 19:44:01,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:01,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:01,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 10 states have internal predecessors, (159), 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) [2024-04-05 19:44:01,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:01,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:01,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:01,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:01,167 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:01,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-05 19:44:01,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:01,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:01,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1015830116, now seen corresponding path program 2 times [2024-04-05 19:44:01,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:01,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94027527] [2024-04-05 19:44:01,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:01,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:01,468 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:01,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:01,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94027527] [2024-04-05 19:44:01,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94027527] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:01,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1521256020] [2024-04-05 19:44:01,469 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:44:01,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:01,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:01,470 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:01,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-05 19:44:01,689 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:44:01,689 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:44:01,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 19:44:01,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:01,714 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:01,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:01,770 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:01,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1521256020] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:01,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:01,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-05 19:44:01,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299470712] [2024-04-05 19:44:01,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:01,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 19:44:01,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:01,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 19:44:01,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-05 19:44:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:01,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:01,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.944444444444445) internal successors, (179), 18 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 19:44:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:01,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:01,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:01,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:01,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:01,942 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:02,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:02,127 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:02,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:02,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1373997020, now seen corresponding path program 3 times [2024-04-05 19:44:02,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:02,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659115499] [2024-04-05 19:44:02,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:02,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:02,327 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:02,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659115499] [2024-04-05 19:44:02,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659115499] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:02,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2095360077] [2024-04-05 19:44:02,327 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 19:44:02,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:02,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:02,328 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:02,330 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-05 19:44:02,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 19:44:02,661 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:44:02,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-05 19:44:02,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:03,119 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 11 treesize of output 7 [2024-04-05 19:44:03,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:44:03,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 19:44:03,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:44:03,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 19:44:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-04-05 19:44:03,371 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:03,485 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1678 (Array Int Int))) (not (= 0 (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1678) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4))))) is different from false [2024-04-05 19:44:03,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:44:03,500 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-05 19:44:03,505 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:44:03,505 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 38 [2024-04-05 19:44:03,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-05 19:44:03,689 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 80 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 15 not checked. [2024-04-05 19:44:03,689 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2095360077] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:03,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:03,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-05 19:44:03,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621869944] [2024-04-05 19:44:03,690 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:03,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 19:44:03,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:03,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 19:44:03,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1089, Unknown=16, NotChecked=68, Total=1332 [2024-04-05 19:44:03,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:03,692 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:03,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.621621621621621) internal successors, (393), 37 states have internal predecessors, (393), 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) [2024-04-05 19:44:03,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:03,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:03,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:03,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:04,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:04,624 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:04,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:04,822 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:04,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:04,822 INFO L85 PathProgramCache]: Analyzing trace with hash 362426084, now seen corresponding path program 1 times [2024-04-05 19:44:04,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:04,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864329506] [2024-04-05 19:44:04,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:04,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:05,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:05,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864329506] [2024-04-05 19:44:05,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864329506] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:05,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [659716764] [2024-04-05 19:44:05,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:05,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:05,065 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:05,066 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:05,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-05 19:44:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:05,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 19:44:05,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:05,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-05 19:44:05,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [659716764] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:05,524 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:05,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-05 19:44:05,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979916290] [2024-04-05 19:44:05,524 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:05,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-05 19:44:05,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:05,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-05 19:44:05,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-05 19:44:05,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:05,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:05,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.26086956521739) internal successors, (190), 23 states have internal predecessors, (190), 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) [2024-04-05 19:44:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:05,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:05,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:05,959 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:06,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:06,159 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:06,159 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:06,159 INFO L85 PathProgramCache]: Analyzing trace with hash -970997820, now seen corresponding path program 2 times [2024-04-05 19:44:06,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:06,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784879211] [2024-04-05 19:44:06,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:06,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:06,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:06,770 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-05 19:44:06,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:06,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784879211] [2024-04-05 19:44:06,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784879211] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:44:06,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:44:06,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-05 19:44:06,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102631302] [2024-04-05 19:44:06,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:44:06,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-05 19:44:06,771 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:06,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-05 19:44:06,772 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-04-05 19:44:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:06,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:06,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.636363636363637) internal successors, (161), 11 states have internal predecessors, (161), 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) [2024-04-05 19:44:06,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:06,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:06,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:06,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:06,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:06,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:07,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:07,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:07,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:07,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-04-05 19:44:07,041 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:07,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:07,041 INFO L85 PathProgramCache]: Analyzing trace with hash -1493616361, now seen corresponding path program 1 times [2024-04-05 19:44:07,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:07,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370371378] [2024-04-05 19:44:07,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:07,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:07,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:07,937 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 50 proven. 65 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-05 19:44:07,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:07,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370371378] [2024-04-05 19:44:07,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370371378] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:07,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25096203] [2024-04-05 19:44:07,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:07,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:07,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:07,938 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:07,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-05 19:44:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:08,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-05 19:44:08,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:08,654 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 13 treesize of output 9 [2024-04-05 19:44:08,675 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 65 proven. 50 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-05 19:44:08,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:08,693 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-05 19:44:09,016 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 40 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-05 19:44:09,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25096203] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:09,016 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:09,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 9] total 31 [2024-04-05 19:44:09,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647755782] [2024-04-05 19:44:09,017 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:09,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-05 19:44:09,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:09,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-05 19:44:09,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-04-05 19:44:09,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:09,018 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:09,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.0) internal successors, (434), 31 states have internal predecessors, (434), 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) [2024-04-05 19:44:09,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:09,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:09,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:09,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:09,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:09,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:09,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:09,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 19:44:09,966 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:10,166 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:10,166 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:10,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:10,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1489169079, now seen corresponding path program 1 times [2024-04-05 19:44:10,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:10,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1860184548] [2024-04-05 19:44:10,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:10,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:10,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:10,934 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 105 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-05 19:44:10,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:10,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1860184548] [2024-04-05 19:44:10,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1860184548] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:10,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1740210605] [2024-04-05 19:44:10,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:10,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:10,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:10,937 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:10,961 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-05 19:44:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:11,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-05 19:44:11,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:11,337 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 13 treesize of output 9 [2024-04-05 19:44:11,516 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-05 19:44:11,516 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:11,595 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-05 19:44:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-05 19:44:11,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1740210605] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:11,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:11,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 9] total 31 [2024-04-05 19:44:11,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77187167] [2024-04-05 19:44:11,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:11,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-05 19:44:11,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:11,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-05 19:44:11,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2024-04-05 19:44:11,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:11,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:11,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 11.612903225806452) internal successors, (360), 31 states have internal predecessors, (360), 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) [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 19:44:11,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 19:44:12,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:44:12,541 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:12,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-04-05 19:44:12,741 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:12,741 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:12,741 INFO L85 PathProgramCache]: Analyzing trace with hash 1897681596, now seen corresponding path program 1 times [2024-04-05 19:44:12,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:12,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [301213888] [2024-04-05 19:44:12,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:12,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:12,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:13,608 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-05 19:44:13,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:13,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [301213888] [2024-04-05 19:44:13,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [301213888] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:13,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [558657551] [2024-04-05 19:44:13,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:13,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:13,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:13,610 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:13,611 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-05 19:44:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:13,861 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-05 19:44:13,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:14,086 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 13 treesize of output 9 [2024-04-05 19:44:14,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:44:14,286 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-05 19:44:14,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:44:14,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-05 19:44:14,382 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-05 19:44:14,382 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:14,485 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2209 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2209) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-05 19:44:14,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:44:14,575 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-05 19:44:14,581 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:44:14,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 38 [2024-04-05 19:44:14,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-05 19:44:14,760 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 60 proven. 5 refuted. 0 times theorem prover too weak. 260 trivial. 35 not checked. [2024-04-05 19:44:14,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [558657551] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:14,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:14,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 36 [2024-04-05 19:44:14,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494472203] [2024-04-05 19:44:14,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:14,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-05 19:44:14,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:14,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-05 19:44:14,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1051, Unknown=5, NotChecked=66, Total=1260 [2024-04-05 19:44:14,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:14,762 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:14,762 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.5) internal successors, (378), 36 states have internal predecessors, (378), 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) [2024-04-05 19:44:14,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:14,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:14,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:14,762 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-05 19:44:14,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:14,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:14,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 19:44:14,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 19:44:14,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 19:44:15,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 19:44:15,713 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:15,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-04-05 19:44:15,911 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:15,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:15,911 INFO L85 PathProgramCache]: Analyzing trace with hash -140400736, now seen corresponding path program 1 times [2024-04-05 19:44:15,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:15,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58268520] [2024-04-05 19:44:15,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:15,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:16,320 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-05 19:44:16,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:16,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58268520] [2024-04-05 19:44:16,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58268520] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:16,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1022986393] [2024-04-05 19:44:16,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:16,321 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:16,321 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:16,322 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:16,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-05 19:44:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:16,574 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-05 19:44:16,577 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:17,483 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 11 treesize of output 7 [2024-04-05 19:44:17,529 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-05 19:44:17,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 27 [2024-04-05 19:44:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-05 19:44:17,651 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:17,765 INFO L349 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2024-04-05 19:44:17,765 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 53 treesize of output 38 [2024-04-05 19:44:17,954 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 25 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-05 19:44:17,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1022986393] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:17,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:17,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 10] total 33 [2024-04-05 19:44:17,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1686757582] [2024-04-05 19:44:17,955 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:17,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-05 19:44:17,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:17,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-05 19:44:17,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-04-05 19:44:17,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:17,957 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:17,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 12.363636363636363) internal successors, (408), 33 states have internal predecessors, (408), 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) [2024-04-05 19:44:17,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 19:44:17,958 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 19:44:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 19:44:18,855 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:19,048 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-04-05 19:44:19,048 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-05 19:44:19,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:19,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1310181922, now seen corresponding path program 1 times [2024-04-05 19:44:19,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:19,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448149582] [2024-04-05 19:44:19,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:19,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:44:19,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-05 19:44:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-05 19:44:19,121 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-05 19:44:19,121 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-05 19:44:19,121 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-04-05 19:44:19,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-04-05 19:44:19,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2024-04-05 19:44:19,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2024-04-05 19:44:19,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2024-04-05 19:44:19,121 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-04-05 19:44:19,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2024-04-05 19:44:19,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2024-04-05 19:44:19,122 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2024-04-05 19:44:19,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-04-05 19:44:19,123 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2024-04-05 19:44:19,124 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-05 19:44:19,124 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-04-05 19:44:19,157 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-04-05 19:44:19,160 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 19:44:19,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 19:44:19,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:19,161 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 19:44:19,173 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 19:44:19,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:19,173 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 19:44:19,174 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;@550311a9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 19:44:19,174 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-04-05 19:44:19,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (34)] Waiting until timeout for monitored process [2024-04-05 19:44:19,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-05 19:44:19,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:19,392 INFO L85 PathProgramCache]: Analyzing trace with hash 921483602, now seen corresponding path program 1 times [2024-04-05 19:44:19,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:19,393 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729614369] [2024-04-05 19:44:19,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:19,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:19,436 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-05 19:44:19,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:19,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729614369] [2024-04-05 19:44:19,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729614369] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 19:44:19,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 19:44:19,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-05 19:44:19,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192548737] [2024-04-05 19:44:19,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 19:44:19,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-05 19:44:19,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:19,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-05 19:44:19,437 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-05 19:44:19,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:19,437 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:19,438 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 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) [2024-04-05 19:44:19,438 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:19,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-04-05 19:44:19,593 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-05 19:44:19,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash -823205919, now seen corresponding path program 1 times [2024-04-05 19:44:19,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:19,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522031717] [2024-04-05 19:44:19,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:19,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:19,657 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 19:44:19,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:19,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522031717] [2024-04-05 19:44:19,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522031717] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:19,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [684574780] [2024-04-05 19:44:19,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:19,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:19,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:19,660 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:19,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-04-05 19:44:20,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:20,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-05 19:44:20,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:20,021 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 19:44:20,021 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:20,043 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 19:44:20,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [684574780] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:20,043 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:20,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-05 19:44:20,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452913520] [2024-04-05 19:44:20,044 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:20,044 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-05 19:44:20,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:20,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-05 19:44:20,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-05 19:44:20,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:20,045 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:20,045 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.3) internal successors, (203), 10 states have internal predecessors, (203), 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) [2024-04-05 19:44:20,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:20,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:20,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:20,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:20,166 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:20,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-04-05 19:44:20,364 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-05 19:44:20,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:20,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1437171167, now seen corresponding path program 2 times [2024-04-05 19:44:20,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:20,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994861046] [2024-04-05 19:44:20,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:20,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:20,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:20,470 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 19:44:20,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:20,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994861046] [2024-04-05 19:44:20,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994861046] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:20,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1555760942] [2024-04-05 19:44:20,470 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 19:44:20,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:20,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:20,471 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:20,496 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-04-05 19:44:20,767 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 19:44:20,767 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:44:20,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 19:44:20,772 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 19:44:20,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:20,857 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 19:44:20,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1555760942] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:20,857 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:20,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-05 19:44:20,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190256578] [2024-04-05 19:44:20,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:20,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-05 19:44:20,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:20,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-05 19:44:20,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-05 19:44:20,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:20,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:20,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.38888888888889) internal successors, (223), 18 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 19:44:20,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:20,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:20,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:21,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:21,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:21,238 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:21,239 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-05 19:44:21,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 19:44:21,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1228384607, now seen corresponding path program 3 times [2024-04-05 19:44:21,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 19:44:21,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327204313] [2024-04-05 19:44:21,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:21,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:21,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:21,460 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-05 19:44:21,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 19:44:21,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [327204313] [2024-04-05 19:44:21,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [327204313] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 19:44:21,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940478744] [2024-04-05 19:44:21,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 19:44:21,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 19:44:21,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 19:44:21,473 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 19:44:21,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-04-05 19:44:22,231 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-05 19:44:22,231 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 19:44:22,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-05 19:44:22,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 19:44:22,634 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 11 treesize of output 7 [2024-04-05 19:44:22,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:44:22,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 19:44:22,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 19:44:22,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-05 19:44:22,908 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-04-05 19:44:22,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 19:44:23,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:44:23,044 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-05 19:44:23,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 19:44:23,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 39 treesize of output 38 [2024-04-05 19:44:23,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-05 19:44:23,228 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-04-05 19:44:23,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940478744] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 19:44:23,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 19:44:23,229 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-05 19:44:23,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452079187] [2024-04-05 19:44:23,229 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 19:44:23,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 19:44:23,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 19:44:23,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 19:44:23,230 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1162, Unknown=8, NotChecked=0, Total=1332 [2024-04-05 19:44:23,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:23,230 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 19:44:23,231 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.81081081081081) internal successors, (437), 37 states have internal predecessors, (437), 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) [2024-04-05 19:44:23,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-05 19:44:23,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-05 19:44:23,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 19:44:23,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 19:44:24,204 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-05 19:44:24,211 INFO L349 Elim1Store]: treesize reduction 19, result has 17.4 percent of original size [2024-04-05 19:44:24,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 302 treesize of output 274 [2024-04-05 19:44:24,517 INFO L85 PathProgramCache]: Analyzing trace with hash -764863347, now seen corresponding path program 1 times [2024-04-05 19:44:24,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:24,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:24,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:24,588 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-04-05 19:44:24,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 19:44:24,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 19:44:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 19:44:24,651 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-04-05 19:44:24,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-05 19:44:24,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-05 19:44:24,999 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:25,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43 [2024-04-05 19:44:25,179 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@744a11e2 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.isInductive(MonolithicHoareTripleChecker.java:156) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.MonolithicHoareTripleChecker.checkInternal(MonolithicHoareTripleChecker.java:83) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.chooseFalseSuccessor2(BasicAbstractInterpolantAutomaton.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:73) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:246) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:218) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:202) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:196) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.LoopLockstepOrder$WrapperAutomaton.internalSuccessors(LoopLockstepOrder.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.MinimalSleepSetReduction.internalSuccessors(MinimalSleepSetReduction.java:169) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$0(INwaOutgoingLetterAndTransitionProvider.java:123) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.nextLetter(NestedIterator.java:69) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIterator.(NestedIterator.java:62) at de.uni_freiburg.informatik.ultimate.util.datastructures.relation.NestedIteratorNoopConstruction.(NestedIteratorNoopConstruction.java:48) at de.uni_freiburg.informatik.ultimate.automata.nestedword.INwaOutgoingLetterAndTransitionProvider.lambda$1(INwaOutgoingLetterAndTransitionProvider.java:124) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:173) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.ConditionalCommutativityCheckerVisitor.discoverState(ConditionalCommutativityCheckerVisitor.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.visitors.DeadEndOptimizingSearchVisitor.discoverState(DeadEndOptimizingSearchVisitor.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.visitState(DepthFirstTraversal.java:222) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:165) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.(DepthFirstTraversal.java:98) at de.uni_freiburg.informatik.ultimate.automata.partialorder.DepthFirstTraversal.traverse(DepthFirstTraversal.java:122) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:329) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:362) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:466) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-04-05 19:44:25,183 INFO L158 Benchmark]: Toolchain (without parser) took 50103.60ms. Allocated memory was 205.5MB in the beginning and 942.7MB in the end (delta: 737.1MB). Free memory was 134.5MB in the beginning and 361.6MB in the end (delta: -227.1MB). Peak memory consumption was 509.9MB. Max. memory is 8.0GB. [2024-04-05 19:44:25,183 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 171.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 19:44:25,184 INFO L158 Benchmark]: CACSL2BoogieTranslator took 481.36ms. Allocated memory was 205.5MB in the beginning and 290.5MB in the end (delta: 84.9MB). Free memory was 134.3MB in the beginning and 232.8MB in the end (delta: -98.5MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. [2024-04-05 19:44:25,185 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.24ms. Allocated memory is still 290.5MB. Free memory was 232.8MB in the beginning and 229.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-05 19:44:25,185 INFO L158 Benchmark]: Boogie Preprocessor took 52.49ms. Allocated memory is still 290.5MB. Free memory was 229.7MB in the beginning and 227.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 19:44:25,187 INFO L158 Benchmark]: RCFGBuilder took 551.28ms. Allocated memory is still 290.5MB. Free memory was 227.6MB in the beginning and 199.3MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. [2024-04-05 19:44:25,187 INFO L158 Benchmark]: TraceAbstraction took 48965.20ms. Allocated memory was 290.5MB in the beginning and 942.7MB in the end (delta: 652.2MB). Free memory was 198.2MB in the beginning and 361.6MB in the end (delta: -163.4MB). Peak memory consumption was 489.4MB. Max. memory is 8.0GB. [2024-04-05 19:44:25,188 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 205.5MB. Free memory is still 171.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 481.36ms. Allocated memory was 205.5MB in the beginning and 290.5MB in the end (delta: 84.9MB). Free memory was 134.3MB in the beginning and 232.8MB in the end (delta: -98.5MB). Peak memory consumption was 5.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.24ms. Allocated memory is still 290.5MB. Free memory was 232.8MB in the beginning and 229.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.49ms. Allocated memory is still 290.5MB. Free memory was 229.7MB in the beginning and 227.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 551.28ms. Allocated memory is still 290.5MB. Free memory was 227.6MB in the beginning and 199.3MB in the end (delta: 28.3MB). Peak memory consumption was 28.3MB. Max. memory is 8.0GB. * TraceAbstraction took 48965.20ms. Allocated memory was 290.5MB in the beginning and 942.7MB in the end (delta: 652.2MB). Free memory was 198.2MB in the beginning and 361.6MB in the end (delta: -163.4MB). Peak memory consumption was 489.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 964, independent: 588, independent conditional: 400, independent unconditional: 188, dependent: 376, dependent conditional: 265, dependent unconditional: 111, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 400, independent unconditional: 188, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 400, independent unconditional: 188, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 400, independent unconditional: 188, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 588, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 90, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 90, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 588, independent: 498, independent conditional: 0, independent unconditional: 498, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 90, unknown conditional: 0, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 90, Positive conditional cache size: 0, Positive unconditional cache size: 90, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 588, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 588, independent: 588, independent conditional: 0, independent unconditional: 588, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 90, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 90, independent: 90, independent conditional: 0, independent unconditional: 90, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 588, independent: 498, independent conditional: 0, independent unconditional: 498, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 90, unknown conditional: 0, unknown unconditional: 90] , Statistics on independence cache: Total cache size (in pairs): 90, Positive cache size: 90, Positive conditional cache size: 0, Positive unconditional cache size: 90, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 376 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4988, independent: 3701, independent conditional: 2814, independent unconditional: 887, dependent: 1287, dependent conditional: 988, dependent unconditional: 299, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 2814, independent unconditional: 887, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 2814, independent unconditional: 887, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 2814, independent unconditional: 887, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 212, independent unconditional: 3489, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 90, independent unconditional: 3611, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 90, independent unconditional: 3611, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 389, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 389, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3701, independent: 3312, independent conditional: 90, independent unconditional: 3222, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 389, unknown conditional: 0, unknown unconditional: 389] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 389, Positive conditional cache size: 0, Positive unconditional cache size: 389, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 122, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 212, independent unconditional: 3489, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 90, independent unconditional: 3611, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3701, independent: 3701, independent conditional: 90, independent unconditional: 3611, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 389, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 389, independent: 389, independent conditional: 0, independent unconditional: 389, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 3701, independent: 3312, independent conditional: 90, independent unconditional: 3222, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 389, unknown conditional: 0, unknown unconditional: 389] , Statistics on independence cache: Total cache size (in pairs): 389, Positive cache size: 389, Positive conditional cache size: 0, Positive unconditional cache size: 389, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 122 ], Independence queries for same thread: 1287 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 15440, independent: 12300, independent conditional: 9780, independent unconditional: 2520, dependent: 3140, dependent conditional: 2546, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 9780, independent unconditional: 2520, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 9780, independent unconditional: 2520, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 9780, independent unconditional: 2520, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 950, independent unconditional: 11350, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 408, independent unconditional: 11892, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 408, independent unconditional: 11892, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 870, independent: 870, independent conditional: 0, independent unconditional: 870, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 870, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12300, independent: 11430, independent conditional: 408, independent unconditional: 11022, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 870, unknown conditional: 0, unknown unconditional: 870] , Statistics on independence cache: Total cache size (in pairs): 870, Positive cache size: 870, Positive conditional cache size: 0, Positive unconditional cache size: 870, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 542, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 950, independent unconditional: 11350, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 408, independent unconditional: 11892, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12300, independent: 12300, independent conditional: 408, independent unconditional: 11892, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 870, independent: 870, independent conditional: 0, independent unconditional: 870, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 870, independent: 867, independent conditional: 0, independent unconditional: 867, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31, independent: 31, independent conditional: 0, independent unconditional: 31, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12300, independent: 11430, independent conditional: 408, independent unconditional: 11022, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 870, unknown conditional: 0, unknown unconditional: 870] , Statistics on independence cache: Total cache size (in pairs): 870, Positive cache size: 870, Positive conditional cache size: 0, Positive unconditional cache size: 870, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 542 ], Independence queries for same thread: 3140 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 37256, independent: 31222, independent conditional: 24853, independent unconditional: 6369, dependent: 6034, dependent conditional: 4919, dependent unconditional: 1115, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31222, independent: 31222, independent conditional: 24853, independent unconditional: 6369, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31222, independent: 31222, independent conditional: 24853, independent unconditional: 6369, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 31222, independent: 31222, independent conditional: 24853, independent unconditional: 6369, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31234, independent: 31222, independent conditional: 2129, independent unconditional: 29093, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31234, independent: 31222, independent conditional: 1019, independent unconditional: 30203, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31234, independent: 31222, independent conditional: 1019, independent unconditional: 30203, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1679, independent: 1675, independent conditional: 2, independent unconditional: 1673, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1679, independent: 1661, independent conditional: 0, independent unconditional: 1661, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 41, independent conditional: 7, independent unconditional: 34, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31234, independent: 29547, independent conditional: 1017, independent unconditional: 28530, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 1679, unknown conditional: 4, unknown unconditional: 1675] , Statistics on independence cache: Total cache size (in pairs): 1679, Positive cache size: 1675, Positive conditional cache size: 2, Positive unconditional cache size: 1673, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1110, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31234, independent: 31222, independent conditional: 2129, independent unconditional: 29093, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31234, independent: 31222, independent conditional: 1019, independent unconditional: 30203, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31234, independent: 31222, independent conditional: 1019, independent unconditional: 30203, dependent: 12, dependent conditional: 4, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1679, independent: 1675, independent conditional: 2, independent unconditional: 1673, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1679, independent: 1661, independent conditional: 0, independent unconditional: 1661, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 2, independent unconditional: 12, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, independent: 41, independent conditional: 7, independent unconditional: 34, dependent: 8, dependent conditional: 5, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31234, independent: 29547, independent conditional: 1017, independent unconditional: 28530, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 1679, unknown conditional: 4, unknown unconditional: 1675] , Statistics on independence cache: Total cache size (in pairs): 1679, Positive cache size: 1675, Positive conditional cache size: 2, Positive unconditional cache size: 1673, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1110 ], Independence queries for same thread: 6034 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 103122, independent: 90221, independent conditional: 75814, independent unconditional: 14407, dependent: 12901, dependent conditional: 10940, dependent unconditional: 1961, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 90275, independent: 90221, independent conditional: 75814, independent unconditional: 14407, dependent: 54, dependent conditional: 48, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90275, independent: 90221, independent conditional: 75814, independent unconditional: 14407, dependent: 54, dependent conditional: 48, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 90275, independent: 90221, independent conditional: 75814, independent unconditional: 14407, dependent: 54, dependent conditional: 48, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90507, independent: 90221, independent conditional: 8426, independent unconditional: 81795, dependent: 286, dependent conditional: 134, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 90507, independent: 90221, independent conditional: 3804, independent unconditional: 86417, dependent: 286, dependent conditional: 112, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 90507, independent: 90221, independent conditional: 3804, independent unconditional: 86417, dependent: 286, dependent conditional: 112, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3267, independent: 3224, independent conditional: 30, independent unconditional: 3194, dependent: 43, dependent conditional: 30, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3267, independent: 3177, independent conditional: 0, independent unconditional: 3177, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 90, independent: 47, independent conditional: 22, independent unconditional: 25, dependent: 43, dependent conditional: 30, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 90, independent: 47, independent conditional: 22, independent unconditional: 25, dependent: 43, dependent conditional: 30, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 111, independent conditional: 50, independent unconditional: 62, dependent: 81, dependent conditional: 62, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 90507, independent: 86997, independent conditional: 3774, independent unconditional: 83223, dependent: 243, dependent conditional: 82, dependent unconditional: 161, unknown: 3267, unknown conditional: 60, unknown unconditional: 3207] , Statistics on independence cache: Total cache size (in pairs): 3267, Positive cache size: 3224, Positive conditional cache size: 30, Positive unconditional cache size: 3194, Negative cache size: 43, Negative conditional cache size: 30, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4644, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 90507, independent: 90221, independent conditional: 8426, independent unconditional: 81795, dependent: 286, dependent conditional: 134, dependent unconditional: 152, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 90507, independent: 90221, independent conditional: 3804, independent unconditional: 86417, dependent: 286, dependent conditional: 112, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 90507, independent: 90221, independent conditional: 3804, independent unconditional: 86417, dependent: 286, dependent conditional: 112, dependent unconditional: 174, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3267, independent: 3224, independent conditional: 30, independent unconditional: 3194, dependent: 43, dependent conditional: 30, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3267, independent: 3177, independent conditional: 0, independent unconditional: 3177, dependent: 90, dependent conditional: 0, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 90, independent: 47, independent conditional: 22, independent unconditional: 25, dependent: 43, dependent conditional: 30, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 90, independent: 47, independent conditional: 22, independent unconditional: 25, dependent: 43, dependent conditional: 30, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, independent: 111, independent conditional: 50, independent unconditional: 62, dependent: 81, dependent conditional: 62, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 90507, independent: 86997, independent conditional: 3774, independent unconditional: 83223, dependent: 243, dependent conditional: 82, dependent unconditional: 161, unknown: 3267, unknown conditional: 60, unknown unconditional: 3207] , Statistics on independence cache: Total cache size (in pairs): 3267, Positive cache size: 3224, Positive conditional cache size: 30, Positive unconditional cache size: 3194, Negative cache size: 43, Negative conditional cache size: 30, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4644 ], Independence queries for same thread: 12847 - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@744a11e2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker@744a11e2: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:82) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-04-05 19:44:25,203 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (34)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:25,406 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:25,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:25,814 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:26,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2024-04-05 19:44:26,216 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-05 19:44:26,422 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...