/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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 [2024-04-04 12:20:52,542 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 12:20:52,621 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 12:20:52,627 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 12:20:52,627 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 12:20:52,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 12:20:52,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 12:20:52,657 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 12:20:52,658 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 12:20:52,661 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 12:20:52,662 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 12:20:52,662 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 12:20:52,662 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 12:20:52,664 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 12:20:52,664 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 12:20:52,664 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 12:20:52,665 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 12:20:52,665 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 12:20:52,665 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 12:20:52,665 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 12:20:52,666 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 12:20:52,666 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 12:20:52,666 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 12:20:52,666 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 12:20:52,667 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 12:20:52,667 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 12:20:52,667 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 12:20:52,667 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 12:20:52,667 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 12:20:52,668 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:20:52,669 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 12:20:52,669 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 12:20:52,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 12:20:52,669 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 12:20:52,670 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 12:20:52,670 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 12:20:52,670 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 12:20:52,670 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 12:20:52,670 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 12:20:52,670 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 12:20:52,963 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 12:20:52,983 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 12:20:52,985 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 12:20:52,986 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 12:20:52,987 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 12:20:52,988 INFO L431 ainManager$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 [2024-04-04 12:20:54,274 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 12:20:54,535 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 12:20:54,536 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2024-04-04 12:20:54,548 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/200a71489/3e6504f96f0a46edb3a309f7703fa03c/FLAGc29123d38 [2024-04-04 12:20:54,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/200a71489/3e6504f96f0a46edb3a309f7703fa03c [2024-04-04 12:20:54,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 12:20:54,566 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 12:20:54,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 12:20:54,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 12:20:54,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 12:20:54,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:20:54" (1/1) ... [2024-04-04 12:20:54,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bd5f850 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:54, skipping insertion in model container [2024-04-04 12:20:54,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:20:54" (1/1) ... [2024-04-04 12:20:54,631 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 12:20:55,063 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] [2024-04-04 12:20:55,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:20:55,125 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 12:20:55,164 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] [2024-04-04 12:20:55,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:20:55,228 INFO L206 MainTranslator]: Completed translation [2024-04-04 12:20:55,228 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55 WrapperNode [2024-04-04 12:20:55,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 12:20:55,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 12:20:55,230 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 12:20:55,233 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 12:20:55,239 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,266 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,298 INFO L138 Inliner]: procedures = 272, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 282 [2024-04-04 12:20:55,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 12:20:55,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 12:20:55,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 12:20:55,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 12:20:55,310 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,326 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,333 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,349 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,352 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,353 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,356 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 12:20:55,357 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 12:20:55,357 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 12:20:55,357 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 12:20:55,358 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (1/1) ... [2024-04-04 12:20:55,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:20:55,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:20:55,397 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) [2024-04-04 12:20:55,422 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 [2024-04-04 12:20:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 12:20:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 12:20:55,480 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 12:20:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 12:20:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 12:20:55,481 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 12:20:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 12:20:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-04-04 12:20:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-04-04 12:20:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 12:20:55,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 12:20:55,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 12:20:55,486 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 12:20:55,648 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 12:20:55,649 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 12:20:55,946 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 12:20:55,996 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 12:20:55,996 INFO L309 CfgBuilder]: Removed 35 assume(true) statements. [2024-04-04 12:20:55,997 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:20:55 BoogieIcfgContainer [2024-04-04 12:20:55,998 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 12:20:56,000 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 12:20:56,000 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 12:20:56,003 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 12:20:56,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 12:20:54" (1/3) ... [2024-04-04 12:20:56,003 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@833df18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:20:56, skipping insertion in model container [2024-04-04 12:20:56,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:20:55" (2/3) ... [2024-04-04 12:20:56,004 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@833df18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:20:56, skipping insertion in model container [2024-04-04 12:20:56,004 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:20:55" (3/3) ... [2024-04-04 12:20:56,005 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2024-04-04 12:20:56,012 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 12:20:56,021 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 12:20:56,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-04 12:20:56,022 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 12:20:56,112 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-04-04 12:20:56,168 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:20:56,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:20:56,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:20:56,176 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) [2024-04-04 12:20:56,205 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 [2024-04-04 12:20:56,223 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:20:56,233 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:56,234 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:20:56,241 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:20:56,241 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 12:20:56,284 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)] === [2024-04-04 12:20:56,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:56,285 INFO L85 PathProgramCache]: Analyzing trace with hash -832533750, now seen corresponding path program 1 times [2024-04-04 12:20:56,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:20:56,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948818537] [2024-04-04 12:20:56,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:56,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:20:56,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:20:56,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:56,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:20:56,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948818537] [2024-04-04 12:20:56,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948818537] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:20:56,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:20:56,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:20:56,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438428320] [2024-04-04 12:20:56,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:20:56,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:20:56,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:20:56,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:20:56,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:20:56,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:56,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:20:56,731 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) [2024-04-04 12:20:56,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:56,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:56,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 12:20:56,778 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)] === [2024-04-04 12:20:56,779 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:56,780 INFO L85 PathProgramCache]: Analyzing trace with hash -346641291, now seen corresponding path program 1 times [2024-04-04 12:20:56,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:20:56,780 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414631650] [2024-04-04 12:20:56,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:56,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:20:56,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:20:56,910 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:56,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:20:56,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414631650] [2024-04-04 12:20:56,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414631650] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:20:56,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999370195] [2024-04-04 12:20:56,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:56,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:20:56,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:20:56,957 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) [2024-04-04 12:20:56,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 12:20:57,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:20:57,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:20:57,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:20:57,144 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:57,144 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:20:57,180 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:57,180 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999370195] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:20:57,180 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:20:57,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:20:57,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016830290] [2024-04-04 12:20:57,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:20:57,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:20:57,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:20:57,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:20:57,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:20:57,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:57,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:20:57,192 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) [2024-04-04 12:20:57,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:57,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:57,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:57,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:20:57,302 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 12:20:57,502 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 [2024-04-04 12:20:57,503 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)] === [2024-04-04 12:20:57,503 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:57,504 INFO L85 PathProgramCache]: Analyzing trace with hash 381373845, now seen corresponding path program 2 times [2024-04-04 12:20:57,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:20:57,504 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469956334] [2024-04-04 12:20:57,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:57,504 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:20:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:20:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:57,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:20:57,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469956334] [2024-04-04 12:20:57,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469956334] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:20:57,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [971454392] [2024-04-04 12:20:57,711 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:20:57,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:20:57,711 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:20:57,713 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) [2024-04-04 12:20:57,718 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 12:20:57,808 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:20:57,808 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:20:57,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:20:57,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:20:57,862 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:57,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:20:57,952 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:57,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [971454392] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:20:57,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:20:57,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:20:57,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679594093] [2024-04-04 12:20:57,953 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:20:57,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:20:57,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:20:57,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:20:57,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:20:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:57,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:20:57,960 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) [2024-04-04 12:20:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:20:57,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:58,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:20:58,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:20:58,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 12:20:58,340 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 [2024-04-04 12:20:58,340 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)] === [2024-04-04 12:20:58,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:58,341 INFO L85 PathProgramCache]: Analyzing trace with hash 487184341, now seen corresponding path program 3 times [2024-04-04 12:20:58,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:20:58,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529693338] [2024-04-04 12:20:58,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:58,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:20:58,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:20:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:58,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:20:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529693338] [2024-04-04 12:20:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529693338] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:20:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574980058] [2024-04-04 12:20:58,663 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:20:58,663 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:20:58,663 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:20:58,664 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) [2024-04-04 12:20:58,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 12:20:58,801 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-04 12:20:58,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:20:58,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-04 12:20:58,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:20:58,884 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:58,884 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:20:59,073 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:20:59,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [574980058] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:20:59,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:20:59,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-04-04 12:20:59,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185536945] [2024-04-04 12:20:59,074 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:20:59,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:20:59,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:20:59,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:20:59,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:20:59,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:59,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:20:59,096 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) [2024-04-04 12:20:59,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:59,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:20:59,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:20:59,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:20:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:20:59,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:20:59,425 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 12:20:59,617 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 [2024-04-04 12:20:59,618 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)] === [2024-04-04 12:20:59,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:59,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1384418966, now seen corresponding path program 4 times [2024-04-04 12:20:59,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:20:59,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583579058] [2024-04-04 12:20:59,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:59,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:20:59,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:20:59,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:20:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:20:59,715 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:20:59,716 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:20:59,716 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-04-04 12:20:59,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-04-04 12:20:59,718 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-04-04 12:20:59,719 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-04-04 12:20:59,719 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-04 12:20:59,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 12:20:59,726 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1] [2024-04-04 12:20:59,728 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:20:59,728 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-04-04 12:20:59,770 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 12:20:59,775 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:20:59,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:20:59,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:20:59,776 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) [2024-04-04 12:20:59,781 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:20:59,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:59,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:20:59,782 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:20:59,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 12:20:59,796 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 [2024-04-04 12:20:59,810 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)] === [2024-04-04 12:20:59,811 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:59,811 INFO L85 PathProgramCache]: Analyzing trace with hash 1777710314, now seen corresponding path program 1 times [2024-04-04 12:20:59,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:20:59,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320327854] [2024-04-04 12:20:59,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:59,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:20:59,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:20:59,853 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:20:59,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:20:59,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320327854] [2024-04-04 12:20:59,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1320327854] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:20:59,854 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:20:59,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:20:59,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047605998] [2024-04-04 12:20:59,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:20:59,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:20:59,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:20:59,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:20:59,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:20:59,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:59,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:20:59,892 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) [2024-04-04 12:20:59,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:20:59,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:20:59,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-04 12:20:59,922 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)] === [2024-04-04 12:20:59,922 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:20:59,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1414606418, now seen corresponding path program 1 times [2024-04-04 12:20:59,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:20:59,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545951879] [2024-04-04 12:20:59,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:59,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:20:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:20:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:20:59,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:20:59,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545951879] [2024-04-04 12:20:59,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545951879] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:20:59,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396963433] [2024-04-04 12:20:59,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:20:59,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:20:59,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:20:59,996 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) [2024-04-04 12:21:00,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 12:21:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:00,104 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:00,106 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:00,126 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:00,126 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:00,154 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:00,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396963433] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:00,155 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:00,155 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:00,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245664489] [2024-04-04 12:21:00,155 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:00,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:00,156 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:00,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:00,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:00,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:00,174 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:00,174 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) [2024-04-04 12:21:00,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:00,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:00,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:00,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:00,239 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:00,436 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 [2024-04-04 12:21:00,436 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)] === [2024-04-04 12:21:00,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:00,437 INFO L85 PathProgramCache]: Analyzing trace with hash -1962647662, now seen corresponding path program 2 times [2024-04-04 12:21:00,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:00,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541701887] [2024-04-04 12:21:00,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:00,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:00,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:00,579 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:00,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:00,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541701887] [2024-04-04 12:21:00,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541701887] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:00,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [420179529] [2024-04-04 12:21:00,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:00,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:00,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:00,581 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) [2024-04-04 12:21:00,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 12:21:00,690 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:00,691 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:00,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:00,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:00,727 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:00,803 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:00,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [420179529] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:00,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:00,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:00,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075482677] [2024-04-04 12:21:00,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:00,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:00,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:00,817 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:00,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:00,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:00,818 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:00,818 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) [2024-04-04 12:21:00,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:00,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:00,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:00,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:00,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:01,176 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 [2024-04-04 12:21:01,176 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)] === [2024-04-04 12:21:01,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:01,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1983311342, now seen corresponding path program 3 times [2024-04-04 12:21:01,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:01,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332962586] [2024-04-04 12:21:01,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:01,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:01,484 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:01,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:01,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332962586] [2024-04-04 12:21:01,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332962586] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:01,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240168097] [2024-04-04 12:21:01,485 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:01,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:01,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:01,487 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) [2024-04-04 12:21:01,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 12:21:01,602 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 12:21:01,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:01,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 12:21:01,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:01,883 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 [2024-04-04 12:21:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-04 12:21:02,074 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:02,181 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 [2024-04-04 12:21:02,245 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-04 12:21:02,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1240168097] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:02,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:02,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-04 12:21:02,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569919317] [2024-04-04 12:21:02,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:02,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 12:21:02,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:02,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 12:21:02,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-04 12:21:02,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:02,264 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:02,264 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) [2024-04-04 12:21:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:02,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:03,021 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:03,212 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 [2024-04-04 12:21:03,213 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)] === [2024-04-04 12:21:03,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:03,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1744496907, now seen corresponding path program 1 times [2024-04-04 12:21:03,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:03,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235982384] [2024-04-04 12:21:03,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:03,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:03,522 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:03,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:03,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235982384] [2024-04-04 12:21:03,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [235982384] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:03,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [41473987] [2024-04-04 12:21:03,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:03,523 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:03,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:03,524 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) [2024-04-04 12:21:03,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 12:21:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:03,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:03,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:03,714 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:03,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:03,893 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:03,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [41473987] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:03,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:03,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:03,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563123296] [2024-04-04 12:21:03,896 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:03,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:03,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:03,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:03,906 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:03,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:03,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:03,907 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) [2024-04-04 12:21:03,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:03,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:03,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:03,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:03,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:04,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:04,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:04,180 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:04,377 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 [2024-04-04 12:21:04,378 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)] === [2024-04-04 12:21:04,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:04,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1607660107, now seen corresponding path program 2 times [2024-04-04 12:21:04,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:04,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1024869421] [2024-04-04 12:21:04,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:04,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:04,402 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:04,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:04,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:04,432 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:04,432 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-04-04 12:21:04,432 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-04 12:21:04,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-04-04 12:21:04,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-04 12:21:04,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 12:21:04,433 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 12:21:04,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-04-04 12:21:04,434 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1] [2024-04-04 12:21:04,434 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:04,434 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-04-04 12:21:04,469 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 12:21:04,474 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:04,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:04,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:04,476 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) [2024-04-04 12:21:04,480 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:04,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:04,481 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:04,481 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:04,482 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-04 12:21:04,490 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 [2024-04-04 12:21:04,515 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)] === [2024-04-04 12:21:04,516 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:04,516 INFO L85 PathProgramCache]: Analyzing trace with hash 375817319, now seen corresponding path program 1 times [2024-04-04 12:21:04,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:04,516 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155012848] [2024-04-04 12:21:04,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:04,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:04,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-04-04 12:21:04,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:04,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155012848] [2024-04-04 12:21:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155012848] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:04,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:04,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537317479] [2024-04-04 12:21:04,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:04,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:04,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:04,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:04,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:04,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:04,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:04,663 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) [2024-04-04 12:21:04,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:04,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:04,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-04 12:21:04,724 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)] === [2024-04-04 12:21:04,724 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:04,724 INFO L85 PathProgramCache]: Analyzing trace with hash 1172841755, now seen corresponding path program 1 times [2024-04-04 12:21:04,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:04,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541444473] [2024-04-04 12:21:04,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:04,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:04,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:04,780 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:04,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541444473] [2024-04-04 12:21:04,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1541444473] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:04,780 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1924876267] [2024-04-04 12:21:04,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:04,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:04,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:04,783 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) [2024-04-04 12:21:04,785 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 12:21:04,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:04,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:04,913 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:04,930 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:04,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:04,953 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:04,954 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1924876267] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:04,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:04,954 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:04,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448169441] [2024-04-04 12:21:04,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:04,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:04,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:04,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:04,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:04,970 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:04,970 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) [2024-04-04 12:21:04,970 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:04,971 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:05,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:05,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:05,247 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 [2024-04-04 12:21:05,247 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)] === [2024-04-04 12:21:05,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:05,248 INFO L85 PathProgramCache]: Analyzing trace with hash 914881915, now seen corresponding path program 2 times [2024-04-04 12:21:05,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:05,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135807621] [2024-04-04 12:21:05,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:05,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:05,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:05,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:05,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135807621] [2024-04-04 12:21:05,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135807621] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:05,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1445883449] [2024-04-04 12:21:05,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:05,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:05,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:05,359 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) [2024-04-04 12:21:05,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 12:21:05,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:05,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:05,499 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:05,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:05,530 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:05,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:05,609 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:05,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1445883449] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:05,610 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:05,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:05,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020026361] [2024-04-04 12:21:05,610 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:05,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:05,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:05,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:05,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:05,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:05,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:05,631 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) [2024-04-04 12:21:05,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:05,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:05,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:05,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:05,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:06,022 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 [2024-04-04 12:21:06,022 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)] === [2024-04-04 12:21:06,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash 748471867, now seen corresponding path program 3 times [2024-04-04 12:21:06,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:06,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692315609] [2024-04-04 12:21:06,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:06,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:06,342 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:06,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:06,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692315609] [2024-04-04 12:21:06,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692315609] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:06,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1875132108] [2024-04-04 12:21:06,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:06,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:06,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:06,345 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) [2024-04-04 12:21:06,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 12:21:06,489 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 12:21:06,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:06,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 12:21:06,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:06,787 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 [2024-04-04 12:21:06,983 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-04 12:21:06,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:07,093 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 [2024-04-04 12:21:07,164 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-04 12:21:07,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1875132108] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:07,164 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:07,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-04 12:21:07,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948614294] [2024-04-04 12:21:07,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:07,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 12:21:07,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:07,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 12:21:07,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-04 12:21:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:07,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:07,190 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) [2024-04-04 12:21:07,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:07,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:07,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:07,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:08,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:08,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:08,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:08,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:08,014 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:08,207 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 [2024-04-04 12:21:08,207 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)] === [2024-04-04 12:21:08,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:08,208 INFO L85 PathProgramCache]: Analyzing trace with hash 469890083, now seen corresponding path program 1 times [2024-04-04 12:21:08,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:08,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967926052] [2024-04-04 12:21:08,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:08,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:08,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:08,499 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:08,499 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:08,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967926052] [2024-04-04 12:21:08,499 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967926052] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:08,499 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560070858] [2024-04-04 12:21:08,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:08,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:08,500 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:08,501 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) [2024-04-04 12:21:08,523 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 12:21:08,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:08,647 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:08,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:08,711 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:08,712 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:08,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560070858] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:08,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:08,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:08,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626564877] [2024-04-04 12:21:08,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:08,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:08,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:08,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:08,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:08,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:08,906 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:08,906 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) [2024-04-04 12:21:08,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:08,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:08,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:08,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:08,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:09,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:09,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:09,180 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-04 12:21:09,377 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 [2024-04-04 12:21:09,377 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)] === [2024-04-04 12:21:09,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:09,378 INFO L85 PathProgramCache]: Analyzing trace with hash -1264146493, now seen corresponding path program 2 times [2024-04-04 12:21:09,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:09,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476833991] [2024-04-04 12:21:09,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:09,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:10,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:10,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476833991] [2024-04-04 12:21:10,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476833991] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:10,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308809286] [2024-04-04 12:21:10,351 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:10,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:10,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:10,353 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) [2024-04-04 12:21:10,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 12:21:10,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:10,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:10,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:10,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:10,741 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 [2024-04-04 12:21:10,889 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:10,889 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:10,984 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 [2024-04-04 12:21:11,051 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:11,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308809286] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:11,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:11,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:21:11,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968542489] [2024-04-04 12:21:11,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:11,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:21:11,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:11,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:21:11,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:21:11,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:11,113 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:11,114 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) [2024-04-04 12:21:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:11,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:11,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:11,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:11,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:11,717 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 [2024-04-04 12:21:11,718 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)] === [2024-04-04 12:21:11,718 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:11,718 INFO L85 PathProgramCache]: Analyzing trace with hash -1001647832, now seen corresponding path program 1 times [2024-04-04 12:21:11,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:11,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764053676] [2024-04-04 12:21:11,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:11,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:12,542 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:12,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:12,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764053676] [2024-04-04 12:21:12,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764053676] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:12,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354463218] [2024-04-04 12:21:12,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:12,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:12,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:12,544 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) [2024-04-04 12:21:12,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 12:21:12,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:12,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:12,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:12,863 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 [2024-04-04 12:21:13,060 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:13,061 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:13,176 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 [2024-04-04 12:21:13,240 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:13,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354463218] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:13,240 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:13,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:21:13,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404853166] [2024-04-04 12:21:13,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:13,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:21:13,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:13,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:21:13,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:21:13,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:13,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:13,287 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) [2024-04-04 12:21:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:13,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:13,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:13,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:13,651 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:13,851 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 [2024-04-04 12:21:13,851 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)] === [2024-04-04 12:21:13,852 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,852 INFO L85 PathProgramCache]: Analyzing trace with hash 854900457, now seen corresponding path program 1 times [2024-04-04 12:21:13,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:13,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606218823] [2024-04-04 12:21:13,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:13,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:13,872 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:13,895 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:13,896 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:13,896 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-04-04 12:21:13,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-04-04 12:21:13,896 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-04-04 12:21:13,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-04-04 12:21:13,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-04-04 12:21:13,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-04-04 12:21:13,897 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-04-04 12:21:13,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-04-04 12:21:13,898 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-04 12:21:13,899 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:13,899 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-04-04 12:21:13,933 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 12:21:13,937 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:13,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:13,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:13,939 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) [2024-04-04 12:21:13,946 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:13,947 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,947 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:13,947 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:13,947 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-04 12:21:13,961 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 [2024-04-04 12:21:13,994 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)] === [2024-04-04 12:21:13,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,995 INFO L85 PathProgramCache]: Analyzing trace with hash 986620046, now seen corresponding path program 1 times [2024-04-04 12:21:13,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:13,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128230214] [2024-04-04 12:21:13,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:13,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:14,038 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-04-04 12:21:14,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:14,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128230214] [2024-04-04 12:21:14,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128230214] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:14,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:14,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:14,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755190936] [2024-04-04 12:21:14,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:14,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:14,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:14,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:14,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:14,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:14,153 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:14,153 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) [2024-04-04 12:21:14,154 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:14,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:14,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-04-04 12:21:14,243 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)] === [2024-04-04 12:21:14,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:14,243 INFO L85 PathProgramCache]: Analyzing trace with hash -1836557068, now seen corresponding path program 1 times [2024-04-04 12:21:14,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:14,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778119523] [2024-04-04 12:21:14,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:14,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:14,307 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:14,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:14,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778119523] [2024-04-04 12:21:14,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778119523] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:14,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2128319487] [2024-04-04 12:21:14,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:14,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:14,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:14,311 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) [2024-04-04 12:21:14,329 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 12:21:14,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:14,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:14,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:14,505 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:14,505 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:14,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2128319487] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:14,542 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:14,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:14,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692505864] [2024-04-04 12:21:14,543 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:14,543 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:14,543 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:14,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:14,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:14,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:14,573 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:14,573 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) [2024-04-04 12:21:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:14,573 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:14,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:14,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:14,649 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:14,848 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 [2024-04-04 12:21:14,849 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)] === [2024-04-04 12:21:14,849 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:14,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1986069196, now seen corresponding path program 2 times [2024-04-04 12:21:14,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:14,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235725523] [2024-04-04 12:21:14,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:14,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:14,971 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:14,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:14,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235725523] [2024-04-04 12:21:14,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235725523] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:14,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [374445240] [2024-04-04 12:21:14,972 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:14,972 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:14,972 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:14,974 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) [2024-04-04 12:21:14,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 12:21:15,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:15,160 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:15,162 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:15,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:15,192 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:15,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:15,269 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:15,269 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [374445240] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:15,270 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:15,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:15,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644501421] [2024-04-04 12:21:15,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:15,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:15,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:15,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:15,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:15,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:15,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:15,324 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) [2024-04-04 12:21:15,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:15,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:15,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:15,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:15,525 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:15,722 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 [2024-04-04 12:21:15,722 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)] === [2024-04-04 12:21:15,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:15,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1780593228, now seen corresponding path program 3 times [2024-04-04 12:21:15,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:15,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241495853] [2024-04-04 12:21:15,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:15,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:16,003 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:16,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:16,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1241495853] [2024-04-04 12:21:16,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1241495853] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:16,005 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199725153] [2024-04-04 12:21:16,005 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:16,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:16,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:16,006 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) [2024-04-04 12:21:16,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 12:21:16,197 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 12:21:16,197 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:16,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 12:21:16,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:16,772 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 [2024-04-04 12:21:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:16,930 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 [2024-04-04 12:21:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:16,982 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 [2024-04-04 12:21:17,124 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-04-04 12:21:17,124 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:17,198 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_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:17,301 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:17,301 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 [2024-04-04 12:21:17,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:17,310 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 [2024-04-04 12:21:17,315 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 [2024-04-04 12:21:17,598 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 15 not checked. [2024-04-04 12:21:17,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199725153] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:17,599 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:17,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 12:21:17,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052638832] [2024-04-04 12:21:17,599 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:17,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 12:21:17,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:17,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 12:21:17,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1099, Unknown=6, NotChecked=68, Total=1332 [2024-04-04 12:21:17,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:17,644 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:17,644 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) [2024-04-04 12:21:17,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:17,644 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:17,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:17,645 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:18,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:18,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:18,679 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:18,877 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 [2024-04-04 12:21:18,877 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)] === [2024-04-04 12:21:18,877 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:18,877 INFO L85 PathProgramCache]: Analyzing trace with hash 2002973103, now seen corresponding path program 1 times [2024-04-04 12:21:18,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:18,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186404838] [2024-04-04 12:21:18,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:18,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:19,231 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:19,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:19,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186404838] [2024-04-04 12:21:19,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186404838] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:19,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641169490] [2024-04-04 12:21:19,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:19,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:19,233 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) [2024-04-04 12:21:19,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 12:21:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:19,439 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:19,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:19,505 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:19,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:19,688 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:19,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641169490] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:19,689 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:19,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:19,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010388517] [2024-04-04 12:21:19,689 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:19,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:19,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:19,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:19,729 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:19,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:19,730 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:19,730 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) [2024-04-04 12:21:19,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:19,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:19,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:19,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:19,730 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:19,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:19,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:19,995 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:20,190 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 [2024-04-04 12:21:20,191 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)] === [2024-04-04 12:21:20,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:20,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1569806703, now seen corresponding path program 2 times [2024-04-04 12:21:20,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:20,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137950955] [2024-04-04 12:21:20,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:20,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:20,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:20,769 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:20,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:20,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137950955] [2024-04-04 12:21:20,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137950955] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:20,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038034961] [2024-04-04 12:21:20,770 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:20,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:20,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:20,773 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) [2024-04-04 12:21:20,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-04 12:21:21,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:21,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:21,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:21,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:21,288 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 [2024-04-04 12:21:21,480 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:21,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:21,571 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 [2024-04-04 12:21:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:21,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038034961] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:21,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:21,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:21:21,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855112096] [2024-04-04 12:21:21,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:21,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:21:21,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:21,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:21:21,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:21:21,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:21,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:21,699 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) [2024-04-04 12:21:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:21,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:21,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:21,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:21,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:21,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:22,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:22,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:21:22,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:22,468 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 [2024-04-04 12:21:22,468 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)] === [2024-04-04 12:21:22,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:22,469 INFO L85 PathProgramCache]: Analyzing trace with hash -815455274, now seen corresponding path program 1 times [2024-04-04 12:21:22,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:22,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587621574] [2024-04-04 12:21:22,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:22,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:23,260 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:23,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:23,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587621574] [2024-04-04 12:21:23,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587621574] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:23,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116783277] [2024-04-04 12:21:23,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:23,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:23,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:23,262 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) [2024-04-04 12:21:23,289 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-04 12:21:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:23,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 12:21:23,483 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:23,763 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 [2024-04-04 12:21:24,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:24,024 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 [2024-04-04 12:21:24,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:24,074 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 [2024-04-04 12:21:24,139 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:24,139 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:24,199 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_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:24,410 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:24,410 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 [2024-04-04 12:21:24,418 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:24,418 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 [2024-04-04 12:21:24,425 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 [2024-04-04 12:21:24,618 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 255 trivial. 15 not checked. [2024-04-04 12:21:24,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116783277] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:24,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:24,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 33 [2024-04-04 12:21:24,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1352530521] [2024-04-04 12:21:24,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:24,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 12:21:24,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:24,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 12:21:24,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=857, Unknown=3, NotChecked=60, Total=1056 [2024-04-04 12:21:24,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:24,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:24,666 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) [2024-04-04 12:21:24,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:24,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:24,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:24,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:24,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:24,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:21:24,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:25,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:21:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:25,051 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:25,246 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 [2024-04-04 12:21:25,247 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)] === [2024-04-04 12:21:25,247 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:25,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1289211337, now seen corresponding path program 1 times [2024-04-04 12:21:25,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:25,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951995798] [2024-04-04 12:21:25,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:25,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:25,274 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:25,304 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:25,305 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:25,305 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-04-04 12:21:25,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-04-04 12:21:25,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-04-04 12:21:25,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-04 12:21:25,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-04 12:21:25,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-04 12:21:25,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-04 12:21:25,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-04 12:21:25,306 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-04-04 12:21:25,307 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-04 12:21:25,307 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:25,308 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-04-04 12:21:25,345 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-04-04 12:21:25,349 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:25,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:25,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:25,351 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) [2024-04-04 12:21:25,362 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:25,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:25,362 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:25,363 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:25,363 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-04-04 12:21:25,376 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 [2024-04-04 12:21:25,436 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)] === [2024-04-04 12:21:25,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:25,436 INFO L85 PathProgramCache]: Analyzing trace with hash -533970316, now seen corresponding path program 1 times [2024-04-04 12:21:25,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:25,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211855449] [2024-04-04 12:21:25,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:25,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:25,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:25,489 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-04-04 12:21:25,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:25,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211855449] [2024-04-04 12:21:25,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211855449] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:25,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:25,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:25,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82309889] [2024-04-04 12:21:25,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:25,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:25,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:25,635 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:25,635 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:25,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:25,636 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:25,636 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) [2024-04-04 12:21:25,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:25,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:25,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-04-04 12:21:25,758 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)] === [2024-04-04 12:21:25,758 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:25,758 INFO L85 PathProgramCache]: Analyzing trace with hash -1621975428, now seen corresponding path program 1 times [2024-04-04 12:21:25,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:25,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518327884] [2024-04-04 12:21:25,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:25,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:25,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:25,892 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:25,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:25,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518327884] [2024-04-04 12:21:25,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518327884] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:25,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670176808] [2024-04-04 12:21:25,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:25,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:25,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:25,900 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) [2024-04-04 12:21:25,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-04 12:21:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:26,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:26,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:26,177 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:26,178 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:26,206 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:26,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1670176808] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:26,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:26,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:26,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294798737] [2024-04-04 12:21:26,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:26,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:26,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:26,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:26,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:26,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:26,269 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:26,269 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) [2024-04-04 12:21:26,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:26,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:26,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:26,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:26,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:26,573 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 [2024-04-04 12:21:26,573 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)] === [2024-04-04 12:21:26,574 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:26,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1015830116, now seen corresponding path program 2 times [2024-04-04 12:21:26,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:26,574 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708311832] [2024-04-04 12:21:26,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:26,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:26,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708311832] [2024-04-04 12:21:26,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708311832] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:26,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020364818] [2024-04-04 12:21:26,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:26,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:26,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:26,737 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) [2024-04-04 12:21:26,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-04 12:21:26,988 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:26,988 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:26,990 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:26,992 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:27,019 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:27,020 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:27,103 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:27,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020364818] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:27,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:27,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:27,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355964948] [2024-04-04 12:21:27,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:27,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:27,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:27,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:27,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:27,158 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:27,158 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) [2024-04-04 12:21:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:27,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:27,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:27,361 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:27,558 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 [2024-04-04 12:21:27,559 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)] === [2024-04-04 12:21:27,559 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:27,559 INFO L85 PathProgramCache]: Analyzing trace with hash 1373997020, now seen corresponding path program 3 times [2024-04-04 12:21:27,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:27,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206840641] [2024-04-04 12:21:27,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:27,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:27,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:27,858 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:27,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:27,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206840641] [2024-04-04 12:21:27,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206840641] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:27,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664747425] [2024-04-04 12:21:27,859 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:27,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:27,860 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:27,861 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) [2024-04-04 12:21:27,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-04 12:21:28,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 12:21:28,264 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:28,266 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-04 12:21:28,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:28,863 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 [2024-04-04 12:21:28,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:28,993 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 [2024-04-04 12:21:29,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:29,053 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 [2024-04-04 12:21:29,152 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-04-04 12:21:29,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:29,226 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1678 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1678) |c_~#cache~0.base|) (+ (* |c_t_funThread4of5ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:29,251 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 [2024-04-04 12:21:29,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:29,273 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 [2024-04-04 12:21:29,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:29,279 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 [2024-04-04 12:21:29,281 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 [2024-04-04 12:21:29,501 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 30 not checked. [2024-04-04 12:21:29,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664747425] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:29,502 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:29,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 12:21:29,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861228705] [2024-04-04 12:21:29,502 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:29,503 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 12:21:29,503 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:29,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 12:21:29,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1040, Unknown=2, NotChecked=134, Total=1332 [2024-04-04 12:21:29,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:29,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:29,601 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) [2024-04-04 12:21:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:29,601 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:29,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:29,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:30,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:30,667 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-04-04 12:21:30,867 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 [2024-04-04 12:21:30,868 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)] === [2024-04-04 12:21:30,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:30,868 INFO L85 PathProgramCache]: Analyzing trace with hash 362426084, now seen corresponding path program 1 times [2024-04-04 12:21:30,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:30,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111785476] [2024-04-04 12:21:30,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:30,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:31,234 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:31,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:31,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111785476] [2024-04-04 12:21:31,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111785476] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:31,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293109469] [2024-04-04 12:21:31,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:31,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:31,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:31,236 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) [2024-04-04 12:21:31,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-04 12:21:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:31,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:31,534 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:31,590 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:31,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:31,747 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:31,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293109469] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:31,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:31,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:31,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338344798] [2024-04-04 12:21:31,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:31,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:31,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:31,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:31,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:31,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:31,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:31,807 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) [2024-04-04 12:21:31,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:31,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:31,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:31,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:31,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:32,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:32,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:32,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:32,328 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 [2024-04-04 12:21:32,328 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)] === [2024-04-04 12:21:32,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:32,329 INFO L85 PathProgramCache]: Analyzing trace with hash -970997820, now seen corresponding path program 2 times [2024-04-04 12:21:32,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:32,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [995446285] [2024-04-04 12:21:32,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:32,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:21:33,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:33,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [995446285] [2024-04-04 12:21:33,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [995446285] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:33,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:33,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 12:21:33,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372901141] [2024-04-04 12:21:33,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:33,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 12:21:33,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:33,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 12:21:33,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-04-04 12:21:33,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:33,228 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:33,228 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) [2024-04-04 12:21:33,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:33,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:33,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:33,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:33,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:33,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:33,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:33,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:33,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-04-04 12:21:33,519 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)] === [2024-04-04 12:21:33,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:33,519 INFO L85 PathProgramCache]: Analyzing trace with hash -1493616361, now seen corresponding path program 1 times [2024-04-04 12:21:33,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:33,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472848412] [2024-04-04 12:21:33,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:33,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:34,715 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 50 proven. 65 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:34,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:34,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472848412] [2024-04-04 12:21:34,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472848412] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:34,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338967223] [2024-04-04 12:21:34,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:34,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:34,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:34,721 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) [2024-04-04 12:21:34,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-04 12:21:35,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:35,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:35,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:35,661 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 [2024-04-04 12:21:35,683 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 65 proven. 50 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:35,683 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:35,703 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 [2024-04-04 12:21:36,070 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 40 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:36,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338967223] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:36,071 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:36,071 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 9] total 31 [2024-04-04 12:21:36,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065420504] [2024-04-04 12:21:36,071 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:36,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-04 12:21:36,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:36,233 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-04 12:21:36,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-04-04 12:21:36,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:36,234 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:36,234 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) [2024-04-04 12:21:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:36,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:37,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:37,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:21:37,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2024-04-04 12:21:37,420 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 [2024-04-04 12:21:37,420 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)] === [2024-04-04 12:21:37,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:37,421 INFO L85 PathProgramCache]: Analyzing trace with hash 1489169079, now seen corresponding path program 1 times [2024-04-04 12:21:37,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:37,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015771106] [2024-04-04 12:21:37,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:37,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 105 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:38,398 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:38,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015771106] [2024-04-04 12:21:38,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015771106] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:38,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579466526] [2024-04-04 12:21:38,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:38,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:38,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:38,400 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) [2024-04-04 12:21:38,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-04 12:21:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:38,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-04 12:21:38,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:38,806 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 [2024-04-04 12:21:38,976 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:38,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:39,086 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 [2024-04-04 12:21:39,146 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:39,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579466526] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:39,146 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:39,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 9] total 31 [2024-04-04 12:21:39,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569119097] [2024-04-04 12:21:39,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:39,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-04 12:21:39,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:39,230 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-04 12:21:39,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2024-04-04 12:21:39,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:39,231 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:39,231 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) [2024-04-04 12:21:39,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:39,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:21:39,232 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:40,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:21:40,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 12:21:40,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:40,336 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 [2024-04-04 12:21:40,336 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)] === [2024-04-04 12:21:40,337 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:40,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1897681596, now seen corresponding path program 1 times [2024-04-04 12:21:40,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:40,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540593020] [2024-04-04 12:21:40,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:40,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:40,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:41,339 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:41,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:41,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540593020] [2024-04-04 12:21:41,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540593020] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:41,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648992706] [2024-04-04 12:21:41,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:41,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:41,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:41,345 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) [2024-04-04 12:21:41,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-04 12:21:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:41,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-04 12:21:41,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:41,906 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 [2024-04-04 12:21:42,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:42,164 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 [2024-04-04 12:21:42,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:42,202 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 [2024-04-04 12:21:42,276 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:42,276 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:42,333 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_t_funThread4of5ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:42,356 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 [2024-04-04 12:21:42,434 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:42,434 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 [2024-04-04 12:21:42,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:42,442 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 [2024-04-04 12:21:42,445 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 [2024-04-04 12:21:42,618 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 40 not checked. [2024-04-04 12:21:42,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648992706] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:42,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:42,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 36 [2024-04-04 12:21:42,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882329523] [2024-04-04 12:21:42,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:42,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 12:21:42,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:42,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 12:21:42,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=993, Unknown=2, NotChecked=130, Total=1260 [2024-04-04 12:21:42,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:42,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:42,680 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) [2024-04-04 12:21:42,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 12:21:42,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:43,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:21:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:21:43,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:21:43,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:21:43,980 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:44,179 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 [2024-04-04 12:21:44,180 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)] === [2024-04-04 12:21:44,180 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:44,180 INFO L85 PathProgramCache]: Analyzing trace with hash -140400736, now seen corresponding path program 1 times [2024-04-04 12:21:44,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:44,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899864315] [2024-04-04 12:21:44,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:44,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:44,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:44,685 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:44,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:44,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899864315] [2024-04-04 12:21:44,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899864315] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:44,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751246032] [2024-04-04 12:21:44,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:44,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:44,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:44,687 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) [2024-04-04 12:21:44,689 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-04 12:21:44,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:44,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 12:21:44,956 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:45,827 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 [2024-04-04 12:21:45,870 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-04 12:21:45,870 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 [2024-04-04 12:21:46,001 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 35 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:46,001 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:46,082 INFO L349 Elim1Store]: treesize reduction 14, result has 6.7 percent of original size [2024-04-04 12:21:46,083 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 [2024-04-04 12:21:46,356 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 25 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:46,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751246032] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:46,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:46,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15, 10] total 33 [2024-04-04 12:21:46,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719021202] [2024-04-04 12:21:46,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:46,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 12:21:46,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:46,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 12:21:46,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=946, Unknown=0, NotChecked=0, Total=1056 [2024-04-04 12:21:46,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:46,427 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:46,428 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) [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:21:46,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:47,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:21:47,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:21:47,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:47,548 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 [2024-04-04 12:21:47,548 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)] === [2024-04-04 12:21:47,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:47,548 INFO L85 PathProgramCache]: Analyzing trace with hash 1310181922, now seen corresponding path program 1 times [2024-04-04 12:21:47,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:47,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842679356] [2024-04-04 12:21:47,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:47,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:47,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:47,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:47,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:47,631 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:47,631 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-04-04 12:21:47,631 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-04-04 12:21:47,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2024-04-04 12:21:47,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2024-04-04 12:21:47,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2024-04-04 12:21:47,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-04-04 12:21:47,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2024-04-04 12:21:47,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2024-04-04 12:21:47,632 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2024-04-04 12:21:47,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-04-04 12:21:47,633 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2024-04-04 12:21:47,634 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:47,634 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-04-04 12:21:47,676 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-04-04 12:21:47,683 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:47,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:47,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:47,684 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) [2024-04-04 12:21:47,686 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 [2024-04-04 12:21:47,687 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:47,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:47,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:47,688 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:47,688 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-04-04 12:21:47,815 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)] === [2024-04-04 12:21:47,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:47,815 INFO L85 PathProgramCache]: Analyzing trace with hash 921483602, now seen corresponding path program 1 times [2024-04-04 12:21:47,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:47,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285517595] [2024-04-04 12:21:47,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:47,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:47,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:47,878 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-04 12:21:47,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:47,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285517595] [2024-04-04 12:21:47,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285517595] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:47,878 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:47,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:47,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259043806] [2024-04-04 12:21:47,879 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:47,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:47,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:48,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:48,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:48,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,129 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:48,129 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) [2024-04-04 12:21:48,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:48,293 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-04-04 12:21:48,293 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)] === [2024-04-04 12:21:48,293 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:48,293 INFO L85 PathProgramCache]: Analyzing trace with hash -823205919, now seen corresponding path program 1 times [2024-04-04 12:21:48,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:48,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705318955] [2024-04-04 12:21:48,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:48,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:48,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:48,380 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:48,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:48,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705318955] [2024-04-04 12:21:48,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705318955] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:48,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16594207] [2024-04-04 12:21:48,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:48,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:48,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:48,384 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) [2024-04-04 12:21:48,385 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-04-04 12:21:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:48,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:48,722 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:48,736 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:48,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:48,760 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:48,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [16594207] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:48,760 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:48,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:48,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586896521] [2024-04-04 12:21:48,760 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:48,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:48,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:48,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:48,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:48,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:48,815 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) [2024-04-04 12:21:48,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:48,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:48,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:48,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:49,164 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 [2024-04-04 12:21:49,164 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)] === [2024-04-04 12:21:49,164 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:49,165 INFO L85 PathProgramCache]: Analyzing trace with hash -1437171167, now seen corresponding path program 2 times [2024-04-04 12:21:49,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:49,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970369481] [2024-04-04 12:21:49,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:49,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:49,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:49,318 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:49,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:49,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970369481] [2024-04-04 12:21:49,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970369481] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:49,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [663610785] [2024-04-04 12:21:49,319 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:49,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:49,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:49,323 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) [2024-04-04 12:21:49,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-04-04 12:21:49,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:49,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:49,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:49,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:49,661 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:49,661 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:49,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [663610785] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:49,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:49,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:49,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671930953] [2024-04-04 12:21:49,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:49,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:49,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:49,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:49,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:49,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:49,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:49,797 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) [2024-04-04 12:21:49,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:49,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:49,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:49,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:49,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Ended with exit code 0 [2024-04-04 12:21:50,166 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 [2024-04-04 12:21:50,166 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)] === [2024-04-04 12:21:50,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:50,167 INFO L85 PathProgramCache]: Analyzing trace with hash -1228384607, now seen corresponding path program 3 times [2024-04-04 12:21:50,167 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:50,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128026076] [2024-04-04 12:21:50,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:50,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:50,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:50,507 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:50,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128026076] [2024-04-04 12:21:50,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128026076] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:50,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1683700131] [2024-04-04 12:21:50,508 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:50,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:50,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:50,509 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) [2024-04-04 12:21:50,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-04-04 12:21:51,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 12:21:51,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:51,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 12:21:51,331 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:51,773 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 [2024-04-04 12:21:51,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:51,909 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 [2024-04-04 12:21:51,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:51,966 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 [2024-04-04 12:21:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-04-04 12:21:52,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:52,132 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2876 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2876) |c_~#cache~0.base|) (+ (* |c_t_funThread4of6ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:52,206 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:52,206 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 [2024-04-04 12:21:52,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:52,212 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 [2024-04-04 12:21:52,215 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 [2024-04-04 12:21:52,418 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 15 not checked. [2024-04-04 12:21:52,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1683700131] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:52,418 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:52,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 12:21:52,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617764253] [2024-04-04 12:21:52,418 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:52,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 12:21:52,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:52,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 12:21:52,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1102, Unknown=3, NotChecked=68, Total=1332 [2024-04-04 12:21:52,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:52,557 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:52,558 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) [2024-04-04 12:21:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:52,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:53,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:53,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:53,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-04-04 12:21:53,929 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 [2024-04-04 12:21:53,929 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 7 more)] === [2024-04-04 12:21:53,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:53,930 INFO L85 PathProgramCache]: Analyzing trace with hash 1912308641, now seen corresponding path program 1 times [2024-04-04 12:21:53,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:53,930 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [21930333] [2024-04-04 12:21:53,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:53,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:53,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:54,271 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:54,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:54,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [21930333] [2024-04-04 12:21:54,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [21930333] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:54,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1457526298] [2024-04-04 12:21:54,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:54,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:54,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:54,273 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:54,299 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-04-04 12:21:54,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:54,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:54,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:54,686 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:54,686 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:54,849 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:54,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1457526298] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:54,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:54,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:54,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982280489] [2024-04-04 12:21:54,850 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:54,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:54,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:54,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:54,955 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:54,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:54,956 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:54,956 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.304347826086957) internal successors, (237), 23 states have internal predecessors, (237), 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) [2024-04-04 12:21:54,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:54,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:54,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:54,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:54,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:55,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:55,284 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:55,481 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:55,481 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 7 more)] === [2024-04-04 12:21:55,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:55,484 INFO L85 PathProgramCache]: Analyzing trace with hash -1825925663, now seen corresponding path program 2 times [2024-04-04 12:21:55,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:55,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531516668] [2024-04-04 12:21:55,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:55,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:56,357 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 12:21:56,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:56,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531516668] [2024-04-04 12:21:56,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531516668] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:56,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1666293313] [2024-04-04 12:21:56,358 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:56,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:56,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:56,359 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:56,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-04-04 12:21:56,747 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:56,748 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:56,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 12:21:56,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:57,527 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 [2024-04-04 12:21:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 25 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:21:57,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:57,640 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 25 treesize of output 16 [2024-04-04 12:21:57,839 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 5 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-04 12:21:57,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1666293313] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:57,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:57,840 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 9] total 28 [2024-04-04 12:21:57,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777126447] [2024-04-04 12:21:57,840 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:57,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-04 12:21:57,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:58,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-04 12:21:58,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2024-04-04 12:21:58,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:58,096 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:58,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.142857142857142) internal successors, (508), 28 states have internal predecessors, (508), 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) [2024-04-04 12:21:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:58,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:59,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:59,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:21:59,271 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Ended with exit code 0 [2024-04-04 12:21:59,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-04-04 12:21:59,466 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 7 more)] === [2024-04-04 12:21:59,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:59,467 INFO L85 PathProgramCache]: Analyzing trace with hash 1321151009, now seen corresponding path program 1 times [2024-04-04 12:21:59,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:59,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277652606] [2024-04-04 12:21:59,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:59,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:59,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:00,190 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 126 proven. 10 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-04 12:22:00,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:00,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277652606] [2024-04-04 12:22:00,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277652606] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:00,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428792925] [2024-04-04 12:22:00,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:00,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:00,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:00,192 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:00,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-04-04 12:22:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:00,605 INFO L262 TraceCheckSpWp]: Trace formula consists of 593 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 12:22:00,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:01,493 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 [2024-04-04 12:22:01,705 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 12:22:01,705 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 36 treesize of output 18 [2024-04-04 12:22:01,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:01,763 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 [2024-04-04 12:22:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:01,819 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 [2024-04-04 12:22:01,917 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 20 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:22:01,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:04,343 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:22:04,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-04-04 12:22:04,352 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:04,352 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 [2024-04-04 12:22:04,355 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 [2024-04-04 12:22:04,772 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 81 proven. 60 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:22:04,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428792925] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:04,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:04,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 15] total 36 [2024-04-04 12:22:04,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122671893] [2024-04-04 12:22:04,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:04,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 12:22:04,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:04,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 12:22:04,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1094, Unknown=8, NotChecked=0, Total=1260 [2024-04-04 12:22:04,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:04,920 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:04,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 14.75) internal successors, (531), 36 states have internal predecessors, (531), 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) [2024-04-04 12:22:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:22:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:04,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:06,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:06,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:22:06,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:06,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44,40 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:06,531 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 7 more)] === [2024-04-04 12:22:06,532 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:06,532 INFO L85 PathProgramCache]: Analyzing trace with hash 288559243, now seen corresponding path program 1 times [2024-04-04 12:22:06,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:06,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761241996] [2024-04-04 12:22:06,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:06,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:06,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:07,106 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:07,106 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:07,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761241996] [2024-04-04 12:22:07,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1761241996] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:07,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1101650084] [2024-04-04 12:22:07,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:07,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:07,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:07,108 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:07,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-04-04 12:22:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:07,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:22:07,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:07,956 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 [2024-04-04 12:22:07,976 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 116 proven. 45 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:07,977 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:08,000 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 [2024-04-04 12:22:08,259 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:08,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1101650084] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:08,259 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:08,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 12:22:08,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064592759] [2024-04-04 12:22:08,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:08,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:08,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:08,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:08,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:08,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:08,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:08,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.074074074074073) internal successors, (434), 27 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) [2024-04-04 12:22:08,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:08,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:08,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:08,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:08,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:08,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:08,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:22:08,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:08,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:08,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:09,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-04-04 12:22:09,076 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 7 more)] === [2024-04-04 12:22:09,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:09,077 INFO L85 PathProgramCache]: Analyzing trace with hash -1422085142, now seen corresponding path program 1 times [2024-04-04 12:22:09,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:09,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339562238] [2024-04-04 12:22:09,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:09,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:10,097 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 100 proven. 66 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:22:10,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:10,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339562238] [2024-04-04 12:22:10,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339562238] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:10,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584659234] [2024-04-04 12:22:10,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:10,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:10,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:10,099 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:10,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-04-04 12:22:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:10,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:22:10,440 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:10,890 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 [2024-04-04 12:22:11,006 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 146 proven. 10 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:11,007 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:11,071 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 25 treesize of output 16 [2024-04-04 12:22:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:11,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584659234] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:11,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:11,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 9] total 35 [2024-04-04 12:22:11,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992355819] [2024-04-04 12:22:11,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:11,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-04 12:22:11,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:11,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-04 12:22:11,435 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2024-04-04 12:22:11,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:11,435 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:11,435 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.371428571428572) internal successors, (468), 35 states have internal predecessors, (468), 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) [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:11,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:12,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:22:12,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-04-04 12:22:12,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-04-04 12:22:12,868 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 7 more)] === [2024-04-04 12:22:12,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:12,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1577806447, now seen corresponding path program 1 times [2024-04-04 12:22:12,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:12,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3171887] [2024-04-04 12:22:12,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:12,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 35 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:22:13,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:13,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3171887] [2024-04-04 12:22:13,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3171887] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:13,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [840453640] [2024-04-04 12:22:13,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:13,378 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:13,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:13,379 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:13,381 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-04-04 12:22:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:13,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 12:22:13,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:14,450 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 [2024-04-04 12:22:14,467 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 91 proven. 75 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:22:14,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:14,482 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 [2024-04-04 12:22:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 35 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:22:14,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [840453640] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:14,742 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:14,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:22:14,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078433006] [2024-04-04 12:22:14,742 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:14,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:14,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:14,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:14,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:14,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:14,833 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:14,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.444444444444445) internal successors, (417), 27 states have internal predecessors, (417), 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) [2024-04-04 12:22:14,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:14,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:14,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:14,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:14,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:14,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:14,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:14,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:14,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:22:14,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:15,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:15,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:15,455 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-04-04 12:22:15,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47,43 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:15,650 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 7 more)] === [2024-04-04 12:22:15,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:15,651 INFO L85 PathProgramCache]: Analyzing trace with hash -668009105, now seen corresponding path program 1 times [2024-04-04 12:22:15,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:15,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054221594] [2024-04-04 12:22:15,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:15,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 136 proven. 35 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:22:16,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:16,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054221594] [2024-04-04 12:22:16,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054221594] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:16,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530432789] [2024-04-04 12:22:16,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:16,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:16,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:16,121 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:16,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-04-04 12:22:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:16,540 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 12:22:16,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:17,311 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 [2024-04-04 12:22:17,329 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 106 proven. 65 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:22:17,330 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:17,345 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 [2024-04-04 12:22:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 40 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:22:17,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530432789] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:17,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:17,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:22:17,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392684263] [2024-04-04 12:22:17,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:17,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:17,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:17,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:17,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:17,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:17,772 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:17,772 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.0) internal successors, (432), 27 states have internal predecessors, (432), 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) [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:17,772 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:17,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:17,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:18,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:18,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:18,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:18,538 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,44 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:18,539 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:18,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:18,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1914525646, now seen corresponding path program 1 times [2024-04-04 12:22:18,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:18,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555698358] [2024-04-04 12:22:18,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:18,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 70 proven. 56 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:22:19,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:19,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555698358] [2024-04-04 12:22:19,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555698358] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:19,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227219267] [2024-04-04 12:22:19,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:19,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:19,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:19,263 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:19,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-04-04 12:22:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:19,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 12:22:19,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:20,353 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 [2024-04-04 12:22:20,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:20,568 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 27 treesize of output 11 [2024-04-04 12:22:20,715 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 117 proven. 9 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:22:20,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:26,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:26,221 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 25 treesize of output 26 [2024-04-04 12:22:26,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:26,228 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 26 treesize of output 30 [2024-04-04 12:22:26,235 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 8 treesize of output 4 [2024-04-04 12:22:26,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:26,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 35 [2024-04-04 12:22:26,584 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 95 proven. 31 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:22:26,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227219267] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:26,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:26,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 15] total 45 [2024-04-04 12:22:26,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744103165] [2024-04-04 12:22:26,585 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:26,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-04 12:22:26,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:26,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-04 12:22:26,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1787, Unknown=2, NotChecked=0, Total=1980 [2024-04-04 12:22:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:26,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:26,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 10.266666666666667) internal successors, (462), 45 states have internal predecessors, (462), 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) [2024-04-04 12:22:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:26,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:26,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:26,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:26,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:26,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:27,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:27,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:27,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:27,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:22:27,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Ended with exit code 0 [2024-04-04 12:22:27,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-04-04 12:22:27,854 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:27,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:27,855 INFO L85 PathProgramCache]: Analyzing trace with hash 924030767, now seen corresponding path program 1 times [2024-04-04 12:22:27,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:27,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642242000] [2024-04-04 12:22:27,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:27,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:28,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642242000] [2024-04-04 12:22:28,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642242000] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:28,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1098875109] [2024-04-04 12:22:28,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:28,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:28,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:28,300 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:28,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Waiting until timeout for monitored process [2024-04-04 12:22:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:28,679 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 12:22:28,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:29,415 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 [2024-04-04 12:22:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 35 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:29,486 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:29,545 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 25 treesize of output 16 [2024-04-04 12:22:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 25 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:29,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1098875109] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:29,797 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:29,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:22:29,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744331954] [2024-04-04 12:22:29,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:29,798 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:29,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:29,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:29,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:29,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:29,983 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:29,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.296296296296296) internal successors, (413), 27 states have internal predecessors, (413), 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) [2024-04-04 12:22:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:29,983 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:22:29,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:30,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:22:30,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:30,524 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (46)] Ended with exit code 0 [2024-04-04 12:22:30,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 46 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable50 [2024-04-04 12:22:30,719 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:30,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:30,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1641536562, now seen corresponding path program 1 times [2024-04-04 12:22:30,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:30,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570714653] [2024-04-04 12:22:30,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:30,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:30,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:31,476 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 90 proven. 66 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:31,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:31,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570714653] [2024-04-04 12:22:31,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570714653] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:31,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982182817] [2024-04-04 12:22:31,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:31,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:31,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:31,478 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:31,480 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-04-04 12:22:31,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:31,834 INFO L262 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-04 12:22:31,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:32,614 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 [2024-04-04 12:22:32,845 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 12:22:32,845 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 36 treesize of output 18 [2024-04-04 12:22:32,918 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 72 proven. 79 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:22:32,919 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:39,239 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:22:39,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2024-04-04 12:22:39,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:39,246 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 36 treesize of output 38 [2024-04-04 12:22:39,258 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 8 treesize of output 4 [2024-04-04 12:22:39,277 INFO L349 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2024-04-04 12:22:39,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 43 treesize of output 51 [2024-04-04 12:22:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 101 proven. 50 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:22:39,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982182817] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:39,544 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:39,544 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 38 [2024-04-04 12:22:39,544 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501368010] [2024-04-04 12:22:39,544 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:39,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-04-04 12:22:39,545 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:39,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-04-04 12:22:39,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=1230, Unknown=3, NotChecked=0, Total=1406 [2024-04-04 12:22:39,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:39,667 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:39,668 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 12.0) internal successors, (456), 38 states have internal predecessors, (456), 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) [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:39,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:22:39,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:39,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:40,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:40,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:22:40,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:40,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,47 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:40,902 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:40,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:40,903 INFO L85 PathProgramCache]: Analyzing trace with hash -341056365, now seen corresponding path program 1 times [2024-04-04 12:22:40,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:40,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649019164] [2024-04-04 12:22:40,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:40,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:40,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:22:40,938 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:22:40,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:22:41,014 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:22:41,014 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:22:41,014 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-04-04 12:22:41,014 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (8 of 10 remaining) [2024-04-04 12:22:41,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 10 remaining) [2024-04-04 12:22:41,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 10 remaining) [2024-04-04 12:22:41,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 10 remaining) [2024-04-04 12:22:41,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 10 remaining) [2024-04-04 12:22:41,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 10 remaining) [2024-04-04 12:22:41,015 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 10 remaining) [2024-04-04 12:22:41,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 10 remaining) [2024-04-04 12:22:41,017 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 10 remaining) [2024-04-04 12:22:41,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-04-04 12:22:41,018 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 12:22:41,020 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:22:41,020 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-04-04 12:22:41,116 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2024-04-04 12:22:41,120 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:22:41,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:22:41,120 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:41,122 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:22:41,126 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:22:41,126 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:41,127 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:22:41,127 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:22:41,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-04-04 12:22:41,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (48)] Waiting until timeout for monitored process [2024-04-04 12:22:41,298 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 8 more)] === [2024-04-04 12:22:41,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:41,299 INFO L85 PathProgramCache]: Analyzing trace with hash 293093625, now seen corresponding path program 1 times [2024-04-04 12:22:41,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:41,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2147229833] [2024-04-04 12:22:41,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:41,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:41,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:41,378 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-04-04 12:22:41,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:41,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2147229833] [2024-04-04 12:22:41,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2147229833] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:22:41,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:22:41,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:22:41,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715101303] [2024-04-04 12:22:41,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:22:41,380 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:22:41,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:41,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:22:41,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:22:41,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:41,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:41,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 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) [2024-04-04 12:22:41,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:41,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:41,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2024-04-04 12:22:41,928 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 8 more)] === [2024-04-04 12:22:41,928 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:41,928 INFO L85 PathProgramCache]: Analyzing trace with hash -1196136166, now seen corresponding path program 1 times [2024-04-04 12:22:41,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:41,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766829660] [2024-04-04 12:22:41,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:41,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:42,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:42,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766829660] [2024-04-04 12:22:42,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [766829660] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:42,034 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645118976] [2024-04-04 12:22:42,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:42,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:42,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:42,044 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:42,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-04-04 12:22:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:42,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:22:42,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:42,600 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:42,633 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:42,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645118976] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:42,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:42,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:22:42,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896473906] [2024-04-04 12:22:42,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:42,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:22:42,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:42,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:22:42,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:22:42,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:42,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:42,740 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.7) internal successors, (247), 10 states have internal predecessors, (247), 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) [2024-04-04 12:22:42,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:42,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:42,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:42,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:42,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:43,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable54 [2024-04-04 12:22:43,081 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 8 more)] === [2024-04-04 12:22:43,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:43,081 INFO L85 PathProgramCache]: Analyzing trace with hash -226240326, now seen corresponding path program 2 times [2024-04-04 12:22:43,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:43,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541229663] [2024-04-04 12:22:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:43,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:43,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:43,249 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:43,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:43,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541229663] [2024-04-04 12:22:43,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541229663] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:43,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1085427610] [2024-04-04 12:22:43,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:22:43,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:43,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:43,251 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:43,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-04-04 12:22:43,692 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:22:43,692 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:22:43,695 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:22:43,697 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:43,726 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:43,794 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:43,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1085427610] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:43,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:43,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:22:43,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644459658] [2024-04-04 12:22:43,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:43,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:22:43,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:43,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:22:43,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:22:43,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:43,932 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:43,932 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 14.833333333333334) internal successors, (267), 18 states have internal predecessors, (267), 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) [2024-04-04 12:22:43,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:43,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:43,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:44,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:44,207 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:44,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-04-04 12:22:44,407 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 8 more)] === [2024-04-04 12:22:44,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:44,407 INFO L85 PathProgramCache]: Analyzing trace with hash 476028922, now seen corresponding path program 3 times [2024-04-04 12:22:44,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:44,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012700416] [2024-04-04 12:22:44,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:44,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:44,777 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:44,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:44,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012700416] [2024-04-04 12:22:44,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012700416] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:44,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1442990688] [2024-04-04 12:22:44,778 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:22:44,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:44,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:44,779 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:44,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-04-04 12:22:47,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-04 12:22:47,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:22:47,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 63 conjunts are in the unsatisfiable core [2024-04-04 12:22:47,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:47,504 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 [2024-04-04 12:22:47,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:47,685 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 [2024-04-04 12:22:47,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:47,749 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 [2024-04-04 12:22:47,920 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 12:22:47,921 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 17 treesize of output 11 [2024-04-04 12:22:48,830 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 [2024-04-04 12:22:49,187 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 12:22:49,187 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 36 treesize of output 18 [2024-04-04 12:22:49,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:49,221 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 [2024-04-04 12:22:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:49,364 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 [2024-04-04 12:22:49,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:49,418 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 21 treesize of output 20 [2024-04-04 12:22:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:49,522 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 25 treesize of output 18 [2024-04-04 12:22:49,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:49,599 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 25 treesize of output 18 [2024-04-04 12:22:49,794 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 191 proven. 35 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 12:22:49,794 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:52,507 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:22:52,508 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 58 [2024-04-04 12:22:52,530 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:52,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 209 treesize of output 223 [2024-04-04 12:22:52,539 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 94 treesize of output 90 [2024-04-04 12:22:52,545 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 86 treesize of output 78 [2024-04-04 12:22:52,579 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 8 treesize of output 4 [2024-04-04 12:22:52,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:52,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 40 [2024-04-04 12:22:52,647 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 8 treesize of output 4 [2024-04-04 12:22:52,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:52,654 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2024-04-04 12:22:53,869 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:53,870 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 [2024-04-04 12:22:53,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:53,882 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 [2024-04-04 12:22:53,886 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 [2024-04-04 12:22:54,049 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 157 proven. 69 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 12:22:54,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1442990688] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:54,049 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:54,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 22, 23] total 58 [2024-04-04 12:22:54,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135239557] [2024-04-04 12:22:54,050 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:54,050 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-04 12:22:54,050 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:54,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-04 12:22:54,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=386, Invalid=2906, Unknown=14, NotChecked=0, Total=3306 [2024-04-04 12:22:54,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:54,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:54,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 14.017241379310345) internal successors, (813), 58 states have internal predecessors, (813), 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) [2024-04-04 12:22:54,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:54,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:54,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:54,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:56,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:56,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:56,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:56,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 12:22:56,843 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-04-04 12:22:57,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-04-04 12:22:57,036 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 8 more)] === [2024-04-04 12:22:57,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:57,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1098409964, now seen corresponding path program 1 times [2024-04-04 12:22:57,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:57,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381614616] [2024-04-04 12:22:57,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:57,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:57,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:57,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381614616] [2024-04-04 12:22:57,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381614616] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:57,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [976444413] [2024-04-04 12:22:57,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:57,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:57,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:57,390 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:57,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-04-04 12:22:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:57,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:22:57,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:57,916 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:57,917 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:58,093 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:58,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [976444413] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:58,094 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:58,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:22:58,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547713111] [2024-04-04 12:22:58,094 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:58,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:22:58,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:58,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:22:58,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:22:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:58,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:58,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.173913043478262) internal successors, (280), 23 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:58,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:58,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:58,233 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:58,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 12:22:58,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-04-04 12:22:58,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:58,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Ended with exit code 0 [2024-04-04 12:22:58,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable57 [2024-04-04 12:22:58,787 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 8 more)] === [2024-04-04 12:22:58,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:58,788 INFO L85 PathProgramCache]: Analyzing trace with hash 880581748, now seen corresponding path program 2 times [2024-04-04 12:22:58,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:58,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995451941] [2024-04-04 12:22:58,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:58,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:59,614 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 12:22:59,615 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:59,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995451941] [2024-04-04 12:22:59,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995451941] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:22:59,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:22:59,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-04-04 12:22:59,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634775529] [2024-04-04 12:22:59,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:22:59,616 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-04-04 12:22:59,616 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:59,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-04-04 12:22:59,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-04-04 12:22:59,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:59,888 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:59,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 23.0) internal successors, (276), 12 states have internal predecessors, (276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:59,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:59,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:59,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:59,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-04-04 12:22:59,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:59,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:00,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 12:23:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:00,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:00,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2024-04-04 12:23:00,811 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 8 more)] === [2024-04-04 12:23:00,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:00,812 INFO L85 PathProgramCache]: Analyzing trace with hash -1223621030, now seen corresponding path program 1 times [2024-04-04 12:23:00,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:00,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613907964] [2024-04-04 12:23:00,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:00,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:00,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:01,669 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 130 proven. 5 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-04-04 12:23:01,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:01,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613907964] [2024-04-04 12:23:01,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613907964] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:01,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1052548934] [2024-04-04 12:23:01,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:01,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:01,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:01,672 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:01,677 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-04-04 12:23:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:02,161 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 12:23:02,165 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:03,164 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 [2024-04-04 12:23:03,385 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 12:23:03,385 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 36 treesize of output 18 [2024-04-04 12:23:03,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:23:03,413 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 [2024-04-04 12:23:03,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:23:03,463 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 [2024-04-04 12:23:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 131 proven. 5 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 12:23:03,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:07,982 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:23:07,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-04-04 12:23:07,990 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:07,990 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 [2024-04-04 12:23:08,006 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 [2024-04-04 12:23:08,415 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 67 proven. 69 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 12:23:08,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1052548934] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:08,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:08,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 15] total 36 [2024-04-04 12:23:08,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988189513] [2024-04-04 12:23:08,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:08,417 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 12:23:08,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:08,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 12:23:08,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=1084, Unknown=18, NotChecked=0, Total=1260 [2024-04-04 12:23:08,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:08,712 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:08,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 19.25) internal successors, (693), 36 states have internal predecessors, (693), 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) [2024-04-04 12:23:08,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:08,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:08,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:08,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 12:23:08,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:08,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:08,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 12:23:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:10,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:23:10,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Ended with exit code 0 [2024-04-04 12:23:10,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59,53 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:10,348 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 8 more)] === [2024-04-04 12:23:10,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:10,349 INFO L85 PathProgramCache]: Analyzing trace with hash -2085824071, now seen corresponding path program 1 times [2024-04-04 12:23:10,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:10,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9621882] [2024-04-04 12:23:10,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:10,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:10,996 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 12:23:10,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:10,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9621882] [2024-04-04 12:23:10,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9621882] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:10,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1723027081] [2024-04-04 12:23:10,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:10,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:10,997 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:10,998 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:10,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-04-04 12:23:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:11,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 729 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:23:11,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:11,676 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 [2024-04-04 12:23:11,940 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 10 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 12:23:11,940 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:12,036 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 [2024-04-04 12:23:12,089 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 155 proven. 15 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 12:23:12,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1723027081] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:12,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:12,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:23:12,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842324664] [2024-04-04 12:23:12,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:12,090 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:23:12,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:12,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:23:12,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:23:12,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:12,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:12,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 14.76923076923077) internal successors, (384), 26 states have internal predecessors, (384), 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) [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:23:12,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 12:23:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:13,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:13,233 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:13,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,54 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:13,428 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 8 more)] === [2024-04-04 12:23:13,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:13,428 INFO L85 PathProgramCache]: Analyzing trace with hash -626745772, now seen corresponding path program 1 times [2024-04-04 12:23:13,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:13,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002544357] [2024-04-04 12:23:13,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:13,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:14,220 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 175 proven. 15 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 12:23:14,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:14,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002544357] [2024-04-04 12:23:14,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002544357] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:14,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1662987] [2024-04-04 12:23:14,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:14,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:14,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:14,222 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:14,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-04-04 12:23:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:14,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:23:14,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:15,415 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 [2024-04-04 12:23:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 200 proven. 10 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:23:15,502 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:15,570 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 25 treesize of output 16 [2024-04-04 12:23:15,816 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:23:15,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1662987] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:15,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:15,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:23:15,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337278794] [2024-04-04 12:23:15,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:15,818 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:23:15,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:16,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:23:16,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:23:16,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:16,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:16,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 18.26923076923077) internal successors, (475), 26 states have internal predecessors, (475), 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) [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:16,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:17,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:17,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:17,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:17,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,55 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:17,772 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 8 more)] === [2024-04-04 12:23:17,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:17,772 INFO L85 PathProgramCache]: Analyzing trace with hash -181104282, now seen corresponding path program 1 times [2024-04-04 12:23:17,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:17,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383436541] [2024-04-04 12:23:17,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:17,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:18,866 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 144 proven. 96 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:23:18,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:18,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383436541] [2024-04-04 12:23:18,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383436541] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:18,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040609592] [2024-04-04 12:23:18,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:18,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:18,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:18,868 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:18,869 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-04-04 12:23:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:19,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:23:19,358 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:19,986 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 [2024-04-04 12:23:20,020 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 170 proven. 45 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:23:20,020 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:20,052 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 [2024-04-04 12:23:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 20 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:23:20,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040609592] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:20,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:20,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 9] total 36 [2024-04-04 12:23:20,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881578170] [2024-04-04 12:23:20,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:20,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 12:23:20,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:20,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 12:23:20,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=1152, Unknown=0, NotChecked=0, Total=1260 [2024-04-04 12:23:20,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:20,548 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:20,548 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 13.88888888888889) internal successors, (500), 36 states have internal predecessors, (500), 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) [2024-04-04 12:23:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:23:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:20,548 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:20,549 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:23:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:21,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:21,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:21,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2024-04-04 12:23:21,971 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable62 [2024-04-04 12:23:21,972 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 8 more)] === [2024-04-04 12:23:21,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:21,972 INFO L85 PathProgramCache]: Analyzing trace with hash 1552274930, now seen corresponding path program 1 times [2024-04-04 12:23:21,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:21,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36906026] [2024-04-04 12:23:21,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:21,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:22,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 105 proven. 130 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:23:22,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:22,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36906026] [2024-04-04 12:23:22,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36906026] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:22,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355428619] [2024-04-04 12:23:22,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:22,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:22,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:22,721 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:22,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-04-04 12:23:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:23,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 12:23:23,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:24,096 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 [2024-04-04 12:23:24,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:23:24,292 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 21 treesize of output 20 [2024-04-04 12:23:24,723 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 137 proven. 98 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:23:24,724 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:37,066 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:37,066 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 25 treesize of output 26 [2024-04-04 12:23:37,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:37,073 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 26 treesize of output 30 [2024-04-04 12:23:37,078 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 8 treesize of output 4 [2024-04-04 12:23:37,087 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:37,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 12:23:37,336 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 65 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:37,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355428619] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:37,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:37,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 12:23:37,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226543886] [2024-04-04 12:23:37,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:37,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 12:23:37,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:37,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 12:23:37,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1532, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 12:23:37,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:37,473 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:37,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 13.19047619047619) internal successors, (554), 42 states have internal predecessors, (554), 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) [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:37,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:38,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:38,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:38,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Ended with exit code 0 [2024-04-04 12:23:38,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63,57 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:38,732 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:38,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:38,733 INFO L85 PathProgramCache]: Analyzing trace with hash 929066547, now seen corresponding path program 1 times [2024-04-04 12:23:38,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:38,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566954039] [2024-04-04 12:23:38,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:38,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:38,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:39,160 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:39,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:39,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566954039] [2024-04-04 12:23:39,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566954039] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:39,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034995594] [2024-04-04 12:23:39,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:39,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:39,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:39,162 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:39,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-04-04 12:23:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:39,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 12:23:39,667 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:40,427 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 [2024-04-04 12:23:40,448 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 145 proven. 75 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:40,449 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:40,465 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 [2024-04-04 12:23:40,740 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:40,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034995594] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:40,741 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:40,741 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:23:40,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63868077] [2024-04-04 12:23:40,741 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:40,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:23:40,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:40,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:23:40,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:23:40,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:40,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:40,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.962962962962964) internal successors, (431), 27 states have internal predecessors, (431), 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) [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:40,919 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:40,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:41,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:41,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:41,772 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:41,964 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,58 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:41,965 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:41,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:41,965 INFO L85 PathProgramCache]: Analyzing trace with hash -1252316021, now seen corresponding path program 1 times [2024-04-04 12:23:41,965 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:41,965 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432810597] [2024-04-04 12:23:41,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:41,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:41,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:42,941 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 100 proven. 125 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:42,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:42,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432810597] [2024-04-04 12:23:42,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432810597] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:42,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1753917758] [2024-04-04 12:23:42,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:42,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:42,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:42,943 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:42,944 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-04-04 12:23:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:43,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:23:43,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:43,855 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 [2024-04-04 12:23:43,935 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 12:23:43,935 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:44,005 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 25 treesize of output 16 [2024-04-04 12:23:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 12:23:44,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1753917758] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:44,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:44,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 9] total 35 [2024-04-04 12:23:44,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893115030] [2024-04-04 12:23:44,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:44,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-04 12:23:44,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:44,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-04 12:23:44,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2024-04-04 12:23:44,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:44,358 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:44,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 14.2) internal successors, (497), 35 states have internal predecessors, (497), 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) [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:44,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:44,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:44,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:45,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:45,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:45,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 12:23:45,786 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:45,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2024-04-04 12:23:45,980 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:45,981 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:45,981 INFO L85 PathProgramCache]: Analyzing trace with hash -548646709, now seen corresponding path program 1 times [2024-04-04 12:23:45,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:45,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317360178] [2024-04-04 12:23:45,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:45,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:46,402 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 190 proven. 35 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:46,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317360178] [2024-04-04 12:23:46,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317360178] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:46,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [987916411] [2024-04-04 12:23:46,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:46,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:46,403 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:46,404 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:46,406 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-04-04 12:23:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:46,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 12:23:46,897 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:47,669 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 [2024-04-04 12:23:47,689 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 65 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:47,689 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:47,705 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 [2024-04-04 12:23:47,984 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 40 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:47,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [987916411] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:47,985 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:47,985 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:23:47,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938567262] [2024-04-04 12:23:47,985 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:47,985 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:23:47,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:48,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:23:48,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:23:48,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:48,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:48,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.51851851851852) internal successors, (446), 27 states have internal predecessors, (446), 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) [2024-04-04 12:23:48,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:48,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:48,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 12:23:48,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:23:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:23:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:23:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:48,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:48,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2024-04-04 12:23:49,105 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-04-04 12:23:49,105 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:49,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:49,105 INFO L85 PathProgramCache]: Analyzing trace with hash 2137317727, now seen corresponding path program 1 times [2024-04-04 12:23:49,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:49,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691566177] [2024-04-04 12:23:49,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:49,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:49,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:49,820 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 134 proven. 56 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 12:23:49,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:49,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691566177] [2024-04-04 12:23:49,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691566177] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:49,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [805043729] [2024-04-04 12:23:49,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:49,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:49,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:49,822 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:49,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Waiting until timeout for monitored process [2024-04-04 12:23:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:50,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 12:23:50,321 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:51,090 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 [2024-04-04 12:23:51,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:23:51,312 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 21 treesize of output 20 [2024-04-04 12:23:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 181 proven. 9 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 12:23:51,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:03,896 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:03,897 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 25 treesize of output 26 [2024-04-04 12:24:03,903 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:03,903 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 26 treesize of output 30 [2024-04-04 12:24:03,909 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 8 treesize of output 4 [2024-04-04 12:24:03,918 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:03,919 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 12:24:04,052 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 165 proven. 5 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 12:24:04,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [805043729] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:04,053 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:04,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 12:24:04,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061998553] [2024-04-04 12:24:04,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:04,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 12:24:04,054 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:04,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 12:24:04,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=1538, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 12:24:04,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:04,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:04,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 11.452380952380953) internal successors, (481), 42 states have internal predecessors, (481), 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) [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:04,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:05,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:05,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:24:05,415 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (61)] Ended with exit code 0 [2024-04-04 12:24:05,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67,61 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:05,609 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:24:05,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:05,609 INFO L85 PathProgramCache]: Analyzing trace with hash 1002755042, now seen corresponding path program 1 times [2024-04-04 12:24:05,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:05,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968117542] [2024-04-04 12:24:05,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:05,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:05,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:06,422 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 75 proven. 120 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:24:06,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:06,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968117542] [2024-04-04 12:24:06,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968117542] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:06,422 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034233025] [2024-04-04 12:24:06,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:06,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:06,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:06,424 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:06,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-04-04 12:24:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:06,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 39 conjunts are in the unsatisfiable core [2024-04-04 12:24:06,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:07,687 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 [2024-04-04 12:24:07,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:07,868 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 21 treesize of output 20 [2024-04-04 12:24:08,343 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 127 proven. 68 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:24:08,343 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:20,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:20,739 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 25 treesize of output 26 [2024-04-04 12:24:20,746 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:20,747 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 26 treesize of output 30 [2024-04-04 12:24:20,756 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 8 treesize of output 4 [2024-04-04 12:24:20,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:20,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 12:24:20,893 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 15 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 12:24:20,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034233025] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:20,894 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:20,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 12:24:20,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794460] [2024-04-04 12:24:20,894 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:20,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 12:24:20,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:21,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 12:24:21,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1536, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 12:24:21,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:21,062 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:21,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 12.547619047619047) internal successors, (527), 42 states have internal predecessors, (527), 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) [2024-04-04 12:24:21,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:21,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:21,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:21,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:21,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:21,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:21,063 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:24:21,064 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:22,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:24:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:24:22,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-04-04 12:24:22,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68,62 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:22,315 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:24:22,315 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:22,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1898326051, now seen corresponding path program 1 times [2024-04-04 12:24:22,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:22,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715735464] [2024-04-04 12:24:22,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:22,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:22,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:22,713 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:24:22,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:22,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715735464] [2024-04-04 12:24:22,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [715735464] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:22,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1463413872] [2024-04-04 12:24:22,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:22,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:22,714 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:22,715 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:22,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-04-04 12:24:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:23,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 12:24:23,242 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:24,036 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 [2024-04-04 12:24:24,103 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 175 proven. 35 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:24:24,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:24,148 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 25 treesize of output 16 [2024-04-04 12:24:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 25 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:24:24,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1463413872] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:24,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:24,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:24:24,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908425451] [2024-04-04 12:24:24,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:24,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:24:24,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:24,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:24:24,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:24:24,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:24,507 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:24,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.814814814814815) internal successors, (427), 27 states have internal predecessors, (427), 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) [2024-04-04 12:24:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:24,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:24:24,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:24:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:25,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:25,253 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Ended with exit code 0 [2024-04-04 12:24:25,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 63 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable69 [2024-04-04 12:24:25,447 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:24:25,447 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:25,447 INFO L85 PathProgramCache]: Analyzing trace with hash 1990311926, now seen corresponding path program 1 times [2024-04-04 12:24:25,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:25,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513701652] [2024-04-04 12:24:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:25,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:26,107 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 154 proven. 66 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:24:26,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:26,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513701652] [2024-04-04 12:24:26,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513701652] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:26,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792877706] [2024-04-04 12:24:26,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:26,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:26,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:26,109 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:26,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-04-04 12:24:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:26,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 12:24:26,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:27,342 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 [2024-04-04 12:24:27,553 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-04 12:24:27,554 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 [2024-04-04 12:24:27,730 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 136 proven. 79 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:24:27,731 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:28,022 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:24:28,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2024-04-04 12:24:28,032 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:28,032 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 36 treesize of output 38 [2024-04-04 12:24:28,039 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 8 treesize of output 4 [2024-04-04 12:24:28,063 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-04-04 12:24:28,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 36 [2024-04-04 12:24:28,333 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 165 proven. 50 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:24:28,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792877706] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:28,333 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:28,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 12] total 39 [2024-04-04 12:24:28,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741361593] [2024-04-04 12:24:28,334 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:28,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 12:24:28,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:28,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 12:24:28,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=180, Invalid=1302, Unknown=0, NotChecked=0, Total=1482 [2024-04-04 12:24:28,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:28,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:28,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 12.256410256410257) internal successors, (478), 39 states have internal predecessors, (478), 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) [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:28,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:24:28,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:28,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:28,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:28,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:28,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:29,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:24:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:29,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:24:29,558 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-04-04 12:24:29,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,64 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:29,752 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:24:29,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:29,752 INFO L85 PathProgramCache]: Analyzing trace with hash 1593934107, now seen corresponding path program 1 times [2024-04-04 12:24:29,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:29,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775340970] [2024-04-04 12:24:29,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:29,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:30,484 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 100 proven. 125 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:24:30,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:30,484 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775340970] [2024-04-04 12:24:30,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775340970] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:30,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130665872] [2024-04-04 12:24:30,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:30,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:30,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:30,486 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:30,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-04-04 12:24:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:31,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 12:24:31,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:31,786 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 [2024-04-04 12:24:31,952 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-04 12:24:31,953 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 [2024-04-04 12:24:32,327 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 97 proven. 123 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:24:32,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:32,604 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:24:32,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 47 [2024-04-04 12:24:32,611 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:32,611 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 36 treesize of output 38 [2024-04-04 12:24:32,616 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 8 treesize of output 4 [2024-04-04 12:24:32,637 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-04-04 12:24:32,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 32 treesize of output 36 [2024-04-04 12:24:32,897 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 126 proven. 94 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:24:32,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130665872] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:32,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:32,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 12] total 39 [2024-04-04 12:24:32,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13205073] [2024-04-04 12:24:32,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:32,899 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 12:24:32,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:32,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 12:24:32,998 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=1301, Unknown=0, NotChecked=0, Total=1482 [2024-04-04 12:24:32,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:32,998 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:32,999 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 13.384615384615385) internal successors, (522), 39 states have internal predecessors, (522), 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) [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:32,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:24:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:24:33,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:24:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:24:33,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:24:33,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:24:33,989 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2024-04-04 12:24:34,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,65 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:34,184 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:24:34,184 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:34,185 INFO L85 PathProgramCache]: Analyzing trace with hash 602853276, now seen corresponding path program 1 times [2024-04-04 12:24:34,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:34,185 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462001335] [2024-04-04 12:24:34,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:34,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:24:34,212 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:24:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:24:34,259 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:24:34,259 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:24:34,259 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-04-04 12:24:34,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2024-04-04 12:24:34,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-04-04 12:24:34,259 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2024-04-04 12:24:34,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2024-04-04 12:24:34,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2024-04-04 12:24:34,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2024-04-04 12:24:34,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2024-04-04 12:24:34,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2024-04-04 12:24:34,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2024-04-04 12:24:34,260 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2024-04-04 12:24:34,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2024-04-04 12:24:34,261 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 12:24:34,262 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:24:34,262 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-04-04 12:24:34,316 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-04-04 12:24:34,322 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:24:34,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:24:34,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:34,325 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:24:34,336 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:24:34,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:34,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:24:34,336 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:24:34,336 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-04-04 12:24:34,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (66)] Waiting until timeout for monitored process [2024-04-04 12:24:34,700 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 9 more)] === [2024-04-04 12:24:34,701 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:34,701 INFO L85 PathProgramCache]: Analyzing trace with hash -467800698, now seen corresponding path program 1 times [2024-04-04 12:24:34,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:34,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945887571] [2024-04-04 12:24:34,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:34,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:34,776 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-04-04 12:24:34,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:34,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945887571] [2024-04-04 12:24:34,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945887571] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:24:34,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:24:34,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:24:34,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663799288] [2024-04-04 12:24:34,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:24:34,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:24:34,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:35,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:24:35,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:24:35,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:35,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:35,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 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) [2024-04-04 12:24:35,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:35,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:35,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2024-04-04 12:24:35,606 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 9 more)] === [2024-04-04 12:24:35,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:35,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1451172572, now seen corresponding path program 1 times [2024-04-04 12:24:35,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:35,606 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1107366992] [2024-04-04 12:24:35,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:35,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:35,776 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:35,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1107366992] [2024-04-04 12:24:35,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1107366992] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:35,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943477936] [2024-04-04 12:24:35,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:35,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:35,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:35,779 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:35,779 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-04-04 12:24:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:36,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:24:36,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:36,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:36,422 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:36,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943477936] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:36,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:36,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:24:36,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945116399] [2024-04-04 12:24:36,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:36,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:24:36,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:36,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:24:36,535 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:24:36,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:36,535 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:36,535 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 29.1) internal successors, (291), 10 states have internal predecessors, (291), 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) [2024-04-04 12:24:36,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:36,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:36,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:36,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:36,677 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-04-04 12:24:36,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74,67 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:36,871 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 9 more)] === [2024-04-04 12:24:36,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:36,871 INFO L85 PathProgramCache]: Analyzing trace with hash -2122443876, now seen corresponding path program 2 times [2024-04-04 12:24:36,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:36,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [292218925] [2024-04-04 12:24:36,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:36,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:37,043 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:37,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [292218925] [2024-04-04 12:24:37,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [292218925] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:37,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [4707544] [2024-04-04 12:24:37,044 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:24:37,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:37,044 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:37,045 INFO L229 MonitoredProcess]: Starting monitored process 68 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:37,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2024-04-04 12:24:37,657 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:24:37,657 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:24:37,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:24:37,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:37,692 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:37,692 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:37,766 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:37,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [4707544] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:37,767 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:37,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:24:37,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069066129] [2024-04-04 12:24:37,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:37,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:24:37,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:37,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:24:37,909 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:24:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:37,910 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:37,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 17.27777777777778) internal successors, (311), 18 states have internal predecessors, (311), 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) [2024-04-04 12:24:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:37,910 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:38,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2024-04-04 12:24:38,365 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 68 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2024-04-04 12:24:38,366 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 9 more)] === [2024-04-04 12:24:38,366 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:38,366 INFO L85 PathProgramCache]: Analyzing trace with hash 854992156, now seen corresponding path program 3 times [2024-04-04 12:24:38,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:38,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898804969] [2024-04-04 12:24:38,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:38,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:38,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:38,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898804969] [2024-04-04 12:24:38,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898804969] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:38,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1712351320] [2024-04-04 12:24:38,744 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:24:38,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:38,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:38,745 INFO L229 MonitoredProcess]: Starting monitored process 69 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:38,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2024-04-04 12:24:44,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 12:24:44,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:24:44,625 INFO L262 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 89 conjunts are in the unsatisfiable core [2024-04-04 12:24:44,631 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:45,067 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 [2024-04-04 12:24:45,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:45,193 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 [2024-04-04 12:24:45,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:45,251 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 [2024-04-04 12:24:45,398 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 12:24:45,398 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 19 treesize of output 11 [2024-04-04 12:24:46,674 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 [2024-04-04 12:24:47,109 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 12:24:47,110 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 36 treesize of output 18 [2024-04-04 12:24:47,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:47,148 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 [2024-04-04 12:24:47,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:47,252 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 [2024-04-04 12:24:47,342 INFO L349 Elim1Store]: treesize reduction 19, result has 36.7 percent of original size [2024-04-04 12:24:47,343 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 27 treesize of output 15 [2024-04-04 12:24:47,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:47,448 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 21 treesize of output 16 [2024-04-04 12:24:47,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:47,523 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 21 treesize of output 16 [2024-04-04 12:24:47,733 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 19 treesize of output 11 [2024-04-04 12:24:48,210 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-04 12:24:48,211 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 [2024-04-04 12:24:48,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:48,299 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 25 treesize of output 18 [2024-04-04 12:24:48,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:48,413 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 25 treesize of output 18 [2024-04-04 12:24:48,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:48,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:48,528 INFO L349 Elim1Store]: treesize reduction 21, result has 38.2 percent of original size [2024-04-04 12:24:48,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 36 treesize of output 27 [2024-04-04 12:24:48,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:48,620 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 [2024-04-04 12:24:48,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:48,674 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 [2024-04-04 12:24:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 236 proven. 76 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 12:24:48,797 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:49,850 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_7832 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7830 Int) (v_ArrVal_7823 (Array Int Int)) (v_ArrVal_7828 (Array Int Int))) (let ((.cse0 (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7823) |c_~#cache~0.base|)) (.cse1 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse3 (store .cse0 .cse1 1)) (.cse4 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse0 .cse1) 0)) (not (= (select (select (store (let ((.cse2 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse3 .cse4 1)))) (store .cse2 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse2 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0)) (not (= (select .cse3 .cse4) 0)))))) is different from false [2024-04-04 12:24:50,071 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_7832 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7830 Int) (v_ArrVal_7820 Int) (v_ArrVal_7823 (Array Int Int)) (v_ArrVal_7828 (Array Int Int))) (let ((.cse1 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_7820)))) (let ((.cse4 (select (store .cse1 |c_~#__global_lock~0.base| v_ArrVal_7823) |c_~#cache~0.base|)) (.cse5 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse2 (store .cse4 .cse5 1)) (.cse3 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse0 (store .cse1 |c_~#cache~0.base| (store .cse2 .cse3 1)))) (store .cse0 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse0 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0)) (not (= (select .cse4 .cse5) 0)) (not (= (select .cse2 .cse3) 0))))))) is different from false [2024-04-04 12:24:50,138 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_7832 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7830 Int) (v_ArrVal_7820 Int) (v_ArrVal_7823 (Array Int Int)) (v_ArrVal_7819 (Array Int Int)) (v_ArrVal_7828 (Array Int Int))) (let ((.cse5 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7819) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_7820)))) (let ((.cse0 (select (store .cse5 |c_~#__global_lock~0.base| v_ArrVal_7823) |c_~#cache~0.base|)) (.cse1 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse2 (store .cse0 .cse1 1)) (.cse3 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse0 .cse1) 0)) (not (= (select .cse2 .cse3) 0)) (not (= (select (select (store (let ((.cse4 (store .cse5 |c_~#cache~0.base| (store .cse2 .cse3 1)))) (store .cse4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse4 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4) v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))))))) is different from false [2024-04-04 12:24:51,551 INFO L349 Elim1Store]: treesize reduction 54, result has 43.2 percent of original size [2024-04-04 12:24:51,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 509 treesize of output 237 [2024-04-04 12:24:51,934 INFO L349 Elim1Store]: treesize reduction 69, result has 50.0 percent of original size [2024-04-04 12:24:51,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 11 case distinctions, treesize of input 687769 treesize of output 680761 [2024-04-04 12:24:52,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:52,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1592 treesize of output 1588 [2024-04-04 12:24:52,207 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 12:24:52,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1325 treesize of output 1309 [2024-04-04 12:24:52,247 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 1082 treesize of output 1022 [2024-04-04 12:24:52,292 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 1022 treesize of output 1014 [2024-04-04 12:24:52,347 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 12:24:52,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 358 treesize of output 342 [2024-04-04 12:24:53,094 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 8 treesize of output 4 [2024-04-04 12:24:53,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2024-04-04 12:24:53,144 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 8 treesize of output 4 [2024-04-04 12:24:53,173 INFO L349 Elim1Store]: treesize reduction 17, result has 43.3 percent of original size [2024-04-04 12:24:53,174 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 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 22 treesize of output 18 [2024-04-04 12:24:53,201 INFO L173 IndexEqualityManager]: detected equality via solver [2024-04-04 12:24:53,205 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 12:24:53,205 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 22 treesize of output 1 [2024-04-04 12:24:53,255 INFO L349 Elim1Store]: treesize reduction 32, result has 59.5 percent of original size [2024-04-04 12:24:53,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 92 treesize of output 108 [2024-04-04 12:24:53,340 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:53,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2024-04-04 12:24:53,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:53,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 26 [2024-04-04 12:24:53,414 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-04-04 12:24:53,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 56 treesize of output 56 [2024-04-04 12:24:53,475 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:53,475 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 415 treesize of output 403 [2024-04-04 12:24:54,010 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:54,010 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 303 treesize of output 487 [2024-04-04 12:25:07,133 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:25:07,133 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 [2024-04-04 12:25:07,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:25:07,135 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 19 treesize of output 13 [2024-04-04 12:25:07,141 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2024-04-04 12:25:07,141 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 1 [2024-04-04 12:25:07,338 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 146 proven. 165 refuted. 0 times theorem prover too weak. 147 trivial. 1 not checked. [2024-04-04 12:25:07,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1712351320] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:25:07,339 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:25:07,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 32] total 74 [2024-04-04 12:25:07,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537339810] [2024-04-04 12:25:07,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:25:07,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-04-04 12:25:07,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:25:07,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-04-04 12:25:07,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=518, Invalid=4424, Unknown=40, NotChecked=420, Total=5402 [2024-04-04 12:25:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:07,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:25:07,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 13.31081081081081) internal successors, (985), 74 states have internal predecessors, (985), 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) [2024-04-04 12:25:07,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:07,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:07,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:07,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:14,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:25:14,466 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Forceful destruction successful, exit code 0 [2024-04-04 12:25:14,656 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 69 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable76 [2024-04-04 12:25:14,656 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 9 more)] === [2024-04-04 12:25:14,657 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:25:14,657 INFO L85 PathProgramCache]: Analyzing trace with hash 1923512779, now seen corresponding path program 1 times [2024-04-04 12:25:14,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:25:14,657 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140767760] [2024-04-04 12:25:14,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:25:14,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:25:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:25:15,045 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:25:15,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:25:15,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140767760] [2024-04-04 12:25:15,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1140767760] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:25:15,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078446762] [2024-04-04 12:25:15,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:25:15,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:25:15,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:25:15,048 INFO L229 MonitoredProcess]: Starting monitored process 70 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:25:15,049 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2024-04-04 12:25:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:25:15,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:25:15,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:25:15,756 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:25:15,757 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:25:15,931 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:25:15,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078446762] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:25:15,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:25:15,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:25:15,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344433578] [2024-04-04 12:25:15,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:25:15,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:25:15,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:25:16,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:25:16,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:25:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:16,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:25:16,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 14.08695652173913) internal successors, (324), 23 states have internal predecessors, (324), 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) [2024-04-04 12:25:16,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:16,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:16,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:25:16,134 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:25:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:25:16,491 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2024-04-04 12:25:16,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 70 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable77 [2024-04-04 12:25:16,685 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 9 more)] === [2024-04-04 12:25:16,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:25:16,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1088904949, now seen corresponding path program 2 times [2024-04-04 12:25:16,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:25:16,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333725420] [2024-04-04 12:25:16,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:25:16,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:25:16,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:25:19,179 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 197 proven. 206 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2024-04-04 12:25:19,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:25:19,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1333725420] [2024-04-04 12:25:19,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1333725420] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:25:19,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672315405] [2024-04-04 12:25:19,179 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:25:19,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:25:19,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:25:19,181 INFO L229 MonitoredProcess]: Starting monitored process 71 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:25:19,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2024-04-04 12:25:19,825 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:25:19,825 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:25:19,829 INFO L262 TraceCheckSpWp]: Trace formula consists of 967 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:25:19,833 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:25:19,992 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 [2024-04-04 12:25:20,148 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 150 proven. 5 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-04-04 12:25:20,149 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:25:20,259 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 [2024-04-04 12:25:20,336 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 150 proven. 5 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-04-04 12:25:20,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672315405] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:25:20,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:25:20,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 10, 9] total 41 [2024-04-04 12:25:20,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973483066] [2024-04-04 12:25:20,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:25:20,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-04-04 12:25:20,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:25:20,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-04-04 12:25:20,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=1516, Unknown=0, NotChecked=0, Total=1640 [2024-04-04 12:25:20,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:20,747 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:25:20,748 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 16.609756097560975) internal successors, (681), 41 states have internal predecessors, (681), 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) [2024-04-04 12:25:20,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:20,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:20,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:20,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:25:20,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:25:20,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:23,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:25:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:25:23,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:25:23,457 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2024-04-04 12:25:23,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable78,71 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:25:23,651 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 9 more)] === [2024-04-04 12:25:23,651 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:25:23,651 INFO L85 PathProgramCache]: Analyzing trace with hash -139385547, now seen corresponding path program 1 times [2024-04-04 12:25:23,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:25:23,651 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015400283] [2024-04-04 12:25:23,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:25:23,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:25:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:25:24,524 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 196 proven. 10 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2024-04-04 12:25:24,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:25:24,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015400283] [2024-04-04 12:25:24,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015400283] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:25:24,526 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366266257] [2024-04-04 12:25:24,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:25:24,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:25:24,527 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:25:24,528 INFO L229 MonitoredProcess]: Starting monitored process 72 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:25:24,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Waiting until timeout for monitored process [2024-04-04 12:25:25,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:25:25,198 INFO L262 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 12:25:25,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:25:25,980 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 [2024-04-04 12:25:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 232 proven. 35 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-04-04 12:25:26,073 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:25:26,129 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 25 treesize of output 16 [2024-04-04 12:25:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 242 proven. 25 refuted. 0 times theorem prover too weak. 305 trivial. 0 not checked. [2024-04-04 12:25:26,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366266257] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:25:26,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:25:26,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 9] total 28 [2024-04-04 12:25:26,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821834756] [2024-04-04 12:25:26,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:25:26,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-04 12:25:26,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:25:26,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-04 12:25:26,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=668, Unknown=0, NotChecked=0, Total=756 [2024-04-04 12:25:26,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:26,814 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:25:26,814 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 20.5) internal successors, (574), 28 states have internal predecessors, (574), 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) [2024-04-04 12:25:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:26,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:26,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:25:26,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:25:26,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:25:26,815 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:30,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:30,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:30,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 12:25:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:25:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:25:30,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:25:30,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (72)] Ended with exit code 0 [2024-04-04 12:25:30,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 72 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable79 [2024-04-04 12:25:30,581 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 9 more)] === [2024-04-04 12:25:30,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:25:30,581 INFO L85 PathProgramCache]: Analyzing trace with hash 48376795, now seen corresponding path program 1 times [2024-04-04 12:25:30,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:25:30,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993046794] [2024-04-04 12:25:30,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:25:30,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:25:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:25:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-04-04 12:25:31,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:25:31,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993046794] [2024-04-04 12:25:31,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993046794] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:25:31,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:25:31,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 12:25:31,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652347990] [2024-04-04 12:25:31,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:25:31,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 12:25:31,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:25:31,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 12:25:31,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-04-04 12:25:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:31,707 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:25:31,708 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 23.636363636363637) internal successors, (260), 11 states have internal predecessors, (260), 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) [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:25:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:25:36,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:25:38,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:25:43,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:25:45,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:25:46,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:25:48,966 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:25:50,617 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:25:52,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:04,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:13,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:17,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:35,490 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse3 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse9 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse11 (+ |c_~#cache~0.offset| 4)) (.cse13 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse19 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse0 (not (= |c_~#cache~0.base| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|))) (.cse1 (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)))) (and (or .cse0 .cse1 (= |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.offset| |c_~#cache~0.offset|)) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7817 Int) (v_ArrVal_7832 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7830 Int) (v_ArrVal_7820 Int) (v_ArrVal_7823 (Array Int Int)) (v_ArrVal_7819 (Array Int Int)) (v_ArrVal_7828 (Array Int Int))) (let ((.cse6 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse7 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse10 (let ((.cse12 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse6 .cse7 v_ArrVal_7817)))) (store .cse12 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse12 |c_~#__global_lock~0.base| v_ArrVal_7819) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_7820))))) (let ((.cse2 (select (store .cse10 |c_~#__global_lock~0.base| v_ArrVal_7823) |c_~#cache~0.base|))) (let ((.cse4 (store .cse2 .cse3 1)) (.cse5 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse2 .cse3) 0)) (not (= (select .cse4 .cse5) 0)) (not (= (select .cse6 .cse7) 0)) (not (= (select (select (store (let ((.cse8 (store .cse10 |c_~#cache~0.base| (store .cse4 .cse5 1)))) (store .cse8 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse8 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) .cse11) 0)))))))) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7817 Int) (v_ArrVal_7832 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7830 Int) (v_ArrVal_7820 Int) (v_ArrVal_7823 (Array Int Int)) (v_ArrVal_7819 (Array Int Int)) (v_ArrVal_7828 (Array Int Int))) (let ((.cse20 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse21 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse19 .cse20 v_ArrVal_7817)))) (let ((.cse18 (store (select (store .cse21 |c_~#__global_lock~0.base| v_ArrVal_7819) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_7820))) (let ((.cse14 (select (store (store .cse21 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse18) |c_~#__global_lock~0.base| v_ArrVal_7823) |c_~#cache~0.base|))) (let ((.cse15 (store .cse14 .cse3 1)) (.cse16 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse14 .cse3) 0)) (not (= (select .cse15 .cse16) 0)) (not (= (select (select (store (let ((.cse17 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse18) |c_~#cache~0.base| (store .cse15 .cse16 1)))) (store .cse17 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse17 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) .cse11) 0)) (not (= (select .cse19 .cse20) 0))))))))) (or (= |c_t_funThread6of8ForFork0_~i~0#1| 0) .cse0 .cse1) (or (forall ((v_ArrVal_7832 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7830 Int) (v_ArrVal_7828 (Array Int Int))) (let ((.cse22 (store .cse19 .cse3 1)) (.cse23 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse22 .cse23) 0)) (not (= (select (select (store (let ((.cse24 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse22 .cse23 1)))) (store .cse24 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse24 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) .cse11) 0))))) (not (= (select .cse19 .cse3) 0))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| 4) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (let ((.cse25 (select |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse26 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse25 .cse26) 0)) (forall ((v_ArrVal_7817 Int) (v_ArrVal_7832 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7830 Int) (v_ArrVal_7820 Int) (v_ArrVal_7823 (Array Int Int)) (v_ArrVal_7819 (Array Int Int)) (v_ArrVal_7828 (Array Int Int))) (let ((.cse30 (let ((.cse32 (store |c_#pthreadsMutex| |c_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse25 .cse26 v_ArrVal_7817)))) (store .cse32 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse32 |c_~#__global_lock~0.base| v_ArrVal_7819) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_7820))))) (let ((.cse31 (select (store .cse30 |c_~#__global_lock~0.base| v_ArrVal_7823) |c_~#cache~0.base|))) (let ((.cse27 (store .cse31 .cse3 1)) (.cse28 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse27 .cse28) 0)) (not (= (select (select (store (let ((.cse29 (store .cse30 |c_~#cache~0.base| (store .cse27 .cse28 1)))) (store .cse29 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse29 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) .cse11) 0)) (not (= (select .cse31 .cse3) 0)))))))))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_#in~entry#1.base| 4) (or .cse0 .cse1 (= |c_~#cache~0.base| |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (= |c_~#cache~0.offset| 0) (let ((.cse33 (select |c_#pthreadsMutex| |c_t_funThread7of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse34 (+ |c_t_funThread7of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse33 .cse34) 0)) (forall ((v_ArrVal_7832 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7830 Int) (v_ArrVal_7828 (Array Int Int))) (let ((.cse38 (store |c_#pthreadsMutex| |c_t_funThread7of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse33 .cse34 1)))) (let ((.cse35 (select .cse38 |c_~#cache~0.base|)) (.cse36 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse35 .cse36) 0)) (not (= (select (select (store (let ((.cse37 (store .cse38 |c_~#cache~0.base| (store .cse35 .cse36 1)))) (store .cse37 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse37 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) .cse11) 0)))))))) (or (= |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|) .cse0 .cse1) (= (select (select |c_#pthreadsMutex| 4) .cse13) 1) (let ((.cse43 (select |c_#pthreadsMutex| |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse44 (+ |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.offset| 4))) (or (forall ((v_ArrVal_7832 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7830 Int) (v_ArrVal_7828 (Array Int Int))) (let ((.cse42 (store |c_#pthreadsMutex| |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse43 .cse44 1)))) (let ((.cse39 (select .cse42 |c_~#cache~0.base|)) (.cse40 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse39 .cse40) 0)) (not (= (select (select (store (let ((.cse41 (store .cse42 |c_~#cache~0.base| (store .cse39 .cse40 1)))) (store .cse41 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse41 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) .cse11) 0)))))) (not (= (select .cse43 .cse44) 0)))) (or .cse0 .cse1 (= |c_~#cache~0.base| |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base|)) (<= |c_~#__global_lock~0.base| 3) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7817 Int) (v_ArrVal_7832 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7830 Int) (v_ArrVal_7820 Int) (v_ArrVal_7823 (Array Int Int)) (v_ArrVal_7819 (Array Int Int)) (v_ArrVal_7828 (Array Int Int))) (let ((.cse50 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse51 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse19 .cse50 v_ArrVal_7817)))) (let ((.cse48 (store (select (store .cse51 |c_~#__global_lock~0.base| v_ArrVal_7819) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse13 v_ArrVal_7820))) (let ((.cse49 (select (store (store .cse51 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse48) |c_~#__global_lock~0.base| v_ArrVal_7823) |c_~#cache~0.base|))) (let ((.cse45 (store .cse49 .cse11 1)) (.cse46 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse45 .cse46) 0)) (not (= (select (select (store (let ((.cse47 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse48) |c_~#cache~0.base| (store .cse45 .cse46 1)))) (store .cse47 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse47 |c_~#__global_lock~0.base| v_ArrVal_7828) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 v_ArrVal_7830))) |c_~#__global_lock~0.base| v_ArrVal_7832) |c_~#cache~0.base|) .cse11) 0)) (not (= (select .cse49 .cse11) 0)) (not (= (select .cse19 .cse50) 0))))))))) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (= |c_~#cache~0.base| 4) (or (not (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)) .cse0 .cse1 (not (= |c_~#cache~0.base| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|))))) is different from true [2024-04-04 12:26:37,727 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:39,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:41,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:43,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:46,494 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:49,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:51,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:53,063 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:55,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:57,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:26:59,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:01,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:03,287 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:05,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:07,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:10,551 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:12,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:15,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:27:16,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 12:27:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:27:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:27:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:27:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:16,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80 [2024-04-04 12:27:16,273 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 9 more)] === [2024-04-04 12:27:16,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:16,273 INFO L85 PathProgramCache]: Analyzing trace with hash 643503545, now seen corresponding path program 1 times [2024-04-04 12:27:16,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:16,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201650634] [2024-04-04 12:27:16,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:16,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:17,053 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 236 proven. 35 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:27:17,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:27:17,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201650634] [2024-04-04 12:27:17,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201650634] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:27:17,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [109416594] [2024-04-04 12:27:17,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:17,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:17,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:27:17,056 INFO L229 MonitoredProcess]: Starting monitored process 73 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:27:17,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Waiting until timeout for monitored process [2024-04-04 12:27:17,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:17,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:27:17,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:27:18,214 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 [2024-04-04 12:27:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 206 proven. 65 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:27:18,240 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:27:18,263 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 [2024-04-04 12:27:18,580 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 236 proven. 35 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2024-04-04 12:27:18,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [109416594] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:27:18,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:27:18,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:27:18,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176938423] [2024-04-04 12:27:18,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:27:18,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:27:18,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:27:18,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:27:18,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:27:18,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:18,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:27:18,946 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 19.192307692307693) internal successors, (499), 26 states have internal predecessors, (499), 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) [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:18,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:19,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-04-04 12:27:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:27:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:27:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:27:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:19,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:19,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (73)] Ended with exit code 0 [2024-04-04 12:27:19,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 73 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable81 [2024-04-04 12:27:19,880 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 9 more)] === [2024-04-04 12:27:19,881 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:19,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1348880888, now seen corresponding path program 1 times [2024-04-04 12:27:19,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:19,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680911903] [2024-04-04 12:27:19,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:19,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 241 proven. 35 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-04-04 12:27:20,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:27:20,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680911903] [2024-04-04 12:27:20,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680911903] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:27:20,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1234382810] [2024-04-04 12:27:20,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:20,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:20,487 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:27:20,488 INFO L229 MonitoredProcess]: Starting monitored process 74 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:27:20,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Waiting until timeout for monitored process [2024-04-04 12:27:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:21,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:27:21,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:27:21,484 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 [2024-04-04 12:27:21,628 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 196 proven. 5 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-04 12:27:21,628 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:27:21,714 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 [2024-04-04 12:27:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 196 proven. 5 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-04-04 12:27:21,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1234382810] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:27:21,784 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:27:21,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:27:21,785 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489544197] [2024-04-04 12:27:21,785 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:27:21,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:27:21,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:27:22,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:27:22,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=570, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:27:22,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:22,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:27:22,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 21.73076923076923) internal successors, (565), 26 states have internal predecessors, (565), 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) [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:27:22,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:22,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:22,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:23,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:23,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 12:27:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:27:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:27:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:27:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:23,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:27:23,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (74)] Ended with exit code 0 [2024-04-04 12:27:23,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,74 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:23,593 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 9 more)] === [2024-04-04 12:27:23,593 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:23,593 INFO L85 PathProgramCache]: Analyzing trace with hash 6430862, now seen corresponding path program 1 times [2024-04-04 12:27:23,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:23,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029058721] [2024-04-04 12:27:23,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:23,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:24,169 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 140 proven. 5 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2024-04-04 12:27:24,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:27:24,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029058721] [2024-04-04 12:27:24,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029058721] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:27:24,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936115339] [2024-04-04 12:27:24,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:24,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:24,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:27:24,171 INFO L229 MonitoredProcess]: Starting monitored process 75 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:27:24,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Waiting until timeout for monitored process [2024-04-04 12:27:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:24,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 47 conjunts are in the unsatisfiable core [2024-04-04 12:27:24,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:27:25,840 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 [2024-04-04 12:27:26,040 INFO L349 Elim1Store]: treesize reduction 26, result has 31.6 percent of original size [2024-04-04 12:27:26,040 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 36 treesize of output 18 [2024-04-04 12:27:26,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:26,367 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 [2024-04-04 12:27:26,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:26,406 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 [2024-04-04 12:27:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 97 proven. 194 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:27:26,434 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:27:26,515 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9137 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_9137) |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.base|) (+ |c_t_funThread7of8ForFork0_cache_entry_addref_#in~entry#1.offset| 4)) 0))) is different from false [2024-04-04 12:27:26,520 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9137 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_9137) |c_~#cache~0.base|) (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:27:26,551 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_9137 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_9137) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:27:26,822 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:27:26,823 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 61 treesize of output 45 [2024-04-04 12:27:26,831 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:27:26,832 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 [2024-04-04 12:27:26,834 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 [2024-04-04 12:27:27,365 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 90 proven. 131 refuted. 0 times theorem prover too weak. 270 trivial. 75 not checked. [2024-04-04 12:27:27,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936115339] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:27:27,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:27:27,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16, 15] total 39 [2024-04-04 12:27:27,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870498302] [2024-04-04 12:27:27,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:27:27,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 12:27:27,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:27:27,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 12:27:27,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1108, Unknown=8, NotChecked=210, Total=1482 [2024-04-04 12:27:27,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:27,554 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:27:27,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 14.846153846153847) internal successors, (579), 39 states have internal predecessors, (579), 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) [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:27,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:27:27,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:28,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 12:27:28,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:27:28,816 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (75)] Ended with exit code 0 [2024-04-04 12:27:29,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable83,75 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:29,009 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:27:29,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:29,009 INFO L85 PathProgramCache]: Analyzing trace with hash -115545648, now seen corresponding path program 1 times [2024-04-04 12:27:29,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:29,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266038921] [2024-04-04 12:27:29,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:29,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:27:29,043 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:27:29,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:27:29,101 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:27:29,101 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:27:29,101 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2024-04-04 12:27:29,101 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2024-04-04 12:27:29,102 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2024-04-04 12:27:29,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2024-04-04 12:27:29,103 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 12 remaining) [2024-04-04 12:27:29,103 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84 [2024-04-04 12:27:29,104 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 12:27:29,104 WARN L233 ceAbstractionStarter]: 8 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:27:29,104 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 9 thread instances. [2024-04-04 12:27:29,162 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2024-04-04 12:27:29,168 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:27:29,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:27:29,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:27:29,173 INFO L229 MonitoredProcess]: Starting monitored process 76 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:27:29,182 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:27:29,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:29,182 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:27:29,183 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;@aab2dd3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:27:29,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2024-04-04 12:27:29,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (76)] Waiting until timeout for monitored process [2024-04-04 12:27:29,484 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 10 more)] === [2024-04-04 12:27:29,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:29,484 INFO L85 PathProgramCache]: Analyzing trace with hash 1901806742, now seen corresponding path program 1 times [2024-04-04 12:27:29,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:29,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586432366] [2024-04-04 12:27:29,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:29,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2024-04-04 12:27:29,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:27:29,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586432366] [2024-04-04 12:27:29,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586432366] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:27:29,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:27:29,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:27:29,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592614096] [2024-04-04 12:27:29,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:27:29,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:27:29,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:27:30,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:27:30,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:27:30,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:30,275 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:27:30,275 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.666666666666664) internal successors, (188), 3 states have internal predecessors, (188), 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) [2024-04-04 12:27:30,275 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:30,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:30,704 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable85 [2024-04-04 12:27:30,704 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 10 more)] === [2024-04-04 12:27:30,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:30,704 INFO L85 PathProgramCache]: Analyzing trace with hash -1623391236, now seen corresponding path program 1 times [2024-04-04 12:27:30,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:30,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700370691] [2024-04-04 12:27:30,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:30,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:30,819 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 12:27:30,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:27:30,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700370691] [2024-04-04 12:27:30,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700370691] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:27:30,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [288509712] [2024-04-04 12:27:30,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:30,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:30,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:27:30,822 INFO L229 MonitoredProcess]: Starting monitored process 77 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:27:30,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Waiting until timeout for monitored process [2024-04-04 12:27:31,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:31,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:27:31,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:27:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 12:27:31,586 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:27:31,613 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 12:27:31,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [288509712] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:27:31,613 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:27:31,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:27:31,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [541235901] [2024-04-04 12:27:31,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:27:31,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:27:31,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:27:31,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:27:31,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:27:31,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:31,866 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:27:31,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 33.5) internal successors, (335), 10 states have internal predecessors, (335), 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) [2024-04-04 12:27:31,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:31,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:32,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:32,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (77)] Ended with exit code 0 [2024-04-04 12:27:32,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable86,77 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:32,331 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 10 more)] === [2024-04-04 12:27:32,331 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:32,331 INFO L85 PathProgramCache]: Analyzing trace with hash 98809116, now seen corresponding path program 2 times [2024-04-04 12:27:32,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:32,332 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014733257] [2024-04-04 12:27:32,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:32,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:32,521 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 12:27:32,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:27:32,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014733257] [2024-04-04 12:27:32,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2014733257] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:27:32,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119897130] [2024-04-04 12:27:32,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:27:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:27:32,523 INFO L229 MonitoredProcess]: Starting monitored process 78 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:27:32,524 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Waiting until timeout for monitored process [2024-04-04 12:27:33,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:27:33,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:27:33,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 1082 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:27:33,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:27:33,318 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 12:27:33,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:27:33,398 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 12:27:33,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119897130] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:27:33,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:27:33,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:27:33,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1531379575] [2024-04-04 12:27:33,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:27:33,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:27:33,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:27:33,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:27:33,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:27:33,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:33,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:27:33,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 19.72222222222222) internal successors, (355), 18 states have internal predecessors, (355), 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) [2024-04-04 12:27:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:33,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:27:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:27:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:27:33,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:27:33,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (78)] Forceful destruction successful, exit code 0 [2024-04-04 12:27:34,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 78 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable87 [2024-04-04 12:27:34,088 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 10 more)] === [2024-04-04 12:27:34,088 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:27:34,088 INFO L85 PathProgramCache]: Analyzing trace with hash 2109366108, now seen corresponding path program 3 times [2024-04-04 12:27:34,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:27:34,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756362243] [2024-04-04 12:27:34,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:27:34,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:27:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:27:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 565 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 453 trivial. 0 not checked. [2024-04-04 12:27:34,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:27:34,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756362243] [2024-04-04 12:27:34,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756362243] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:27:34,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261649261] [2024-04-04 12:27:34,525 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:27:34,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:27:34,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:27:34,526 INFO L229 MonitoredProcess]: Starting monitored process 79 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:27:34,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Waiting until timeout for monitored process [2024-04-04 12:27:52,826 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 12:27:52,826 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:27:52,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 155 conjunts are in the unsatisfiable core [2024-04-04 12:27:52,854 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:27:54,215 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 [2024-04-04 12:27:54,687 INFO L349 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2024-04-04 12:27:54,687 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 21 treesize of output 20 [2024-04-04 12:27:54,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:54,760 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 25 treesize of output 18 [2024-04-04 12:27:54,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:54,882 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 25 treesize of output 18 [2024-04-04 12:27:55,000 INFO L349 Elim1Store]: treesize reduction 42, result has 44.0 percent of original size [2024-04-04 12:27:55,000 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 3 case distinctions, treesize of input 30 treesize of output 48 [2024-04-04 12:27:55,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:55,441 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-04-04 12:27:55,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 60 [2024-04-04 12:27:55,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:55,742 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 56 treesize of output 43 [2024-04-04 12:27:56,288 INFO L349 Elim1Store]: treesize reduction 22, result has 50.0 percent of original size [2024-04-04 12:27:56,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 62 [2024-04-04 12:27:57,855 INFO L349 Elim1Store]: treesize reduction 62, result has 45.6 percent of original size [2024-04-04 12:27:57,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 8 case distinctions, treesize of input 94 treesize of output 103 [2024-04-04 12:27:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:58,621 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 131 treesize of output 108 [2024-04-04 12:28:03,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:28:03,570 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 131 treesize of output 108 [2024-04-04 12:28:06,387 INFO L349 Elim1Store]: treesize reduction 116, result has 57.0 percent of original size [2024-04-04 12:28:06,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 142 treesize of output 226 [2024-04-04 12:28:27,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:28:27,350 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 2136 treesize of output 1777 [2024-04-04 12:28:39,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:28:39,672 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 2136 treesize of output 1777 Received shutdown request... [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (34)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (48)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (66)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (76)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:15,871 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:34:16,070 WARN L235 SmtUtils]: Removed 2070 from assertion stack [2024-04-04 12:34:16,074 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining) [2024-04-04 12:34:16,091 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (79)] Ended with exit code 0 [2024-04-04 12:34:16,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 79 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2024-04-04 12:34:16,275 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9369 for 313692ms.. [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (11 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (9 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 13 remaining) [2024-04-04 12:34:16,275 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 13 remaining) [2024-04-04 12:34:16,276 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 13 remaining) [2024-04-04 12:34:16,276 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 13 remaining) [2024-04-04 12:34:16,276 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2024-04-04 12:34:16,279 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 9 thread instances [2024-04-04 12:34:16,279 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 12:34:16,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:34:16 BasicIcfg [2024-04-04 12:34:16,286 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 12:34:16,287 INFO L158 Benchmark]: Toolchain (without parser) took 801721.33ms. Allocated memory was 296.7MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 225.3MB in the beginning and 1.2GB in the end (delta: -939.9MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 12:34:16,287 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 296.7MB. Free memory is still 264.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 12:34:16,287 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.38ms. Allocated memory is still 296.7MB. Free memory was 225.0MB in the beginning and 195.0MB in the end (delta: 30.0MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. [2024-04-04 12:34:16,287 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.75ms. Allocated memory is still 296.7MB. Free memory was 195.0MB in the beginning and 192.0MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 12:34:16,287 INFO L158 Benchmark]: Boogie Preprocessor took 57.21ms. Allocated memory is still 296.7MB. Free memory was 192.0MB in the beginning and 189.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 12:34:16,288 INFO L158 Benchmark]: RCFGBuilder took 640.89ms. Allocated memory is still 296.7MB. Free memory was 189.7MB in the beginning and 240.2MB in the end (delta: -50.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 12:34:16,294 INFO L158 Benchmark]: TraceAbstraction took 800286.87ms. Allocated memory was 296.7MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 239.2MB in the beginning and 1.2GB in the end (delta: -926.0MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-04 12:34:16,295 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 296.7MB. Free memory is still 264.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 662.38ms. Allocated memory is still 296.7MB. Free memory was 225.0MB in the beginning and 195.0MB in the end (delta: 30.0MB). Peak memory consumption was 30.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.75ms. Allocated memory is still 296.7MB. Free memory was 195.0MB in the beginning and 192.0MB in the end (delta: 3.0MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.21ms. Allocated memory is still 296.7MB. Free memory was 192.0MB in the beginning and 189.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 640.89ms. Allocated memory is still 296.7MB. Free memory was 189.7MB in the beginning and 240.2MB in the end (delta: -50.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 800286.87ms. Allocated memory was 296.7MB in the beginning and 1.6GB in the end (delta: 1.3GB). Free memory was 239.2MB in the beginning and 1.2GB in the end (delta: -926.0MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 581, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 226, dependent conditional: 226, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 355, independent unconditional: 0, 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: 355, independent: 355, independent conditional: 355, independent unconditional: 0, 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: 355, independent: 355, independent conditional: 355, independent unconditional: 0, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 91, independent: 91, independent conditional: 35, independent unconditional: 56, 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: 91, independent: 91, independent conditional: 0, independent unconditional: 91, 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: 355, independent: 264, independent conditional: 120, independent unconditional: 144, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 91, unknown conditional: 35, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 91, Positive conditional cache size: 35, Positive unconditional cache size: 56, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 91, independent: 91, independent conditional: 35, independent unconditional: 56, 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: 91, independent: 91, independent conditional: 0, independent unconditional: 91, 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: 355, independent: 264, independent conditional: 120, independent unconditional: 144, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 91, unknown conditional: 35, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 91, Positive cache size: 91, Positive conditional cache size: 35, Positive unconditional cache size: 56, 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: 226 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3074, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 787, dependent conditional: 787, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, 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: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, 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: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 381, independent: 381, independent conditional: 111, independent unconditional: 270, 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: 381, independent: 381, independent conditional: 0, independent unconditional: 381, 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: 2287, independent: 1906, independent conditional: 875, independent unconditional: 1031, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 381, unknown conditional: 111, unknown unconditional: 270] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 381, Positive conditional cache size: 111, Positive unconditional cache size: 270, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 381, independent: 381, independent conditional: 111, independent unconditional: 270, 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: 381, independent: 381, independent conditional: 0, independent unconditional: 381, 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: 2287, independent: 1906, independent conditional: 875, independent unconditional: 1031, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 381, unknown conditional: 111, unknown unconditional: 270] , Statistics on independence cache: Total cache size (in pairs): 381, Positive cache size: 381, Positive conditional cache size: 111, Positive unconditional cache size: 270, 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: 787 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9582, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 1899, dependent conditional: 1899, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, 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: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, 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: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, 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: 7683, independent: 7683, independent conditional: 3268, independent unconditional: 4415, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 931, independent: 931, independent conditional: 257, independent unconditional: 674, 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: 931, independent: 928, independent conditional: 0, independent unconditional: 928, 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: 34, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7683, independent: 6752, independent conditional: 2860, independent unconditional: 3892, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 931, unknown conditional: 257, unknown unconditional: 674] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 931, Positive conditional cache size: 257, Positive unconditional cache size: 674, 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: 151, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3268, independent unconditional: 4415, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 931, independent: 931, independent conditional: 257, independent unconditional: 674, 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: 931, independent: 928, independent conditional: 0, independent unconditional: 928, 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: 34, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7683, independent: 6752, independent conditional: 2860, independent unconditional: 3892, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 931, unknown conditional: 257, unknown unconditional: 674] , Statistics on independence cache: Total cache size (in pairs): 931, Positive cache size: 931, Positive conditional cache size: 257, Positive unconditional cache size: 674, 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: 151 ], Independence queries for same thread: 1899 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23142, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 3640, dependent conditional: 3640, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, 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: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, 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: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, 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: 19508, independent: 19502, independent conditional: 8140, independent unconditional: 11362, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1755, independent: 1751, independent conditional: 481, independent unconditional: 1270, 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: 1755, independent: 1737, independent conditional: 0, independent unconditional: 1737, 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: 5, independent unconditional: 9, 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: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 57, independent conditional: 10, independent unconditional: 48, dependent: 10, dependent conditional: 6, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19508, independent: 17751, independent conditional: 7474, independent unconditional: 10277, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1755, unknown conditional: 483, unknown unconditional: 1272] , Statistics on independence cache: Total cache size (in pairs): 1755, Positive cache size: 1751, Positive conditional cache size: 481, Positive unconditional cache size: 1270, 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: 185, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 8140, independent unconditional: 11362, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1755, independent: 1751, independent conditional: 481, independent unconditional: 1270, 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: 1755, independent: 1737, independent conditional: 0, independent unconditional: 1737, 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: 5, independent unconditional: 9, 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: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, independent: 57, independent conditional: 10, independent unconditional: 48, dependent: 10, dependent conditional: 6, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19508, independent: 17751, independent conditional: 7474, independent unconditional: 10277, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1755, unknown conditional: 483, unknown unconditional: 1272] , Statistics on independence cache: Total cache size (in pairs): 1755, Positive cache size: 1751, Positive conditional cache size: 481, Positive unconditional cache size: 1270, 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: 185 ], Independence queries for same thread: 3640 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 63411, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 7749, dependent conditional: 7749, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 55684, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55684, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 55684, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21968, independent unconditional: 33694, dependent: 133, dependent conditional: 63, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 20947, independent unconditional: 34715, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 20947, independent unconditional: 34715, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3438, independent: 3399, independent conditional: 1003, independent unconditional: 2396, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3438, independent: 3351, independent conditional: 0, independent unconditional: 3351, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 206, independent: 103, independent conditional: 45, independent unconditional: 58, dependent: 103, dependent conditional: 81, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 55795, independent: 52263, independent conditional: 19944, independent unconditional: 32319, dependent: 94, dependent conditional: 24, dependent unconditional: 70, unknown: 3438, unknown conditional: 1031, unknown unconditional: 2407] , Statistics on independence cache: Total cache size (in pairs): 3438, Positive cache size: 3399, Positive conditional cache size: 1003, Positive unconditional cache size: 2396, Negative cache size: 39, Negative conditional cache size: 28, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1032, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21968, independent unconditional: 33694, dependent: 133, dependent conditional: 63, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 20947, independent unconditional: 34715, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 20947, independent unconditional: 34715, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3438, independent: 3399, independent conditional: 1003, independent unconditional: 2396, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3438, independent: 3351, independent conditional: 0, independent unconditional: 3351, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 206, independent: 103, independent conditional: 45, independent unconditional: 58, dependent: 103, dependent conditional: 81, dependent unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 55795, independent: 52263, independent conditional: 19944, independent unconditional: 32319, dependent: 94, dependent conditional: 24, dependent unconditional: 70, unknown: 3438, unknown conditional: 1031, unknown unconditional: 2407] , Statistics on independence cache: Total cache size (in pairs): 3438, Positive cache size: 3399, Positive conditional cache size: 1003, Positive unconditional cache size: 2396, Negative cache size: 39, Negative conditional cache size: 28, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1032 ], Independence queries for same thread: 7727 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 134587, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 13987, dependent conditional: 13987, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120650, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120650, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 120650, independent: 120600, independent conditional: 120600, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 46322, independent unconditional: 74278, dependent: 453, dependent conditional: 307, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5391, independent: 5331, independent conditional: 1534, independent unconditional: 3797, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5391, independent: 5267, independent conditional: 0, independent unconditional: 5267, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 124, independent: 64, independent conditional: 31, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 124, independent: 64, independent conditional: 31, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 90, independent conditional: 30, independent unconditional: 60, dependent: 123, dependent conditional: 97, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121053, independent: 115269, independent conditional: 41934, independent unconditional: 73335, dependent: 393, dependent conditional: 168, dependent unconditional: 225, unknown: 5391, unknown conditional: 1580, unknown unconditional: 3811] , Statistics on independence cache: Total cache size (in pairs): 5391, Positive cache size: 5331, Positive conditional cache size: 1534, Positive unconditional cache size: 3797, Negative cache size: 60, Negative conditional cache size: 46, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2947, Maximal queried relation: 10, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 46322, independent unconditional: 74278, dependent: 453, dependent conditional: 307, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121053, independent: 120600, independent conditional: 43468, independent unconditional: 77132, dependent: 453, dependent conditional: 214, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5391, independent: 5331, independent conditional: 1534, independent unconditional: 3797, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5391, independent: 5267, independent conditional: 0, independent unconditional: 5267, dependent: 124, dependent conditional: 0, dependent unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 124, independent: 64, independent conditional: 31, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 124, independent: 64, independent conditional: 31, independent unconditional: 33, dependent: 60, dependent conditional: 46, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 213, independent: 90, independent conditional: 30, independent unconditional: 60, dependent: 123, dependent conditional: 97, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121053, independent: 115269, independent conditional: 41934, independent unconditional: 73335, dependent: 393, dependent conditional: 168, dependent unconditional: 225, unknown: 5391, unknown conditional: 1580, unknown unconditional: 3811] , Statistics on independence cache: Total cache size (in pairs): 5391, Positive cache size: 5331, Positive conditional cache size: 1534, Positive unconditional cache size: 3797, Negative cache size: 60, Negative conditional cache size: 46, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2947 ], Independence queries for same thread: 13937 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 254663, independent: 230971, independent conditional: 230968, independent unconditional: 3, dependent: 23692, dependent conditional: 23690, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 231044, independent: 230971, independent conditional: 230968, independent unconditional: 3, dependent: 73, dependent conditional: 73, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231044, independent: 230971, independent conditional: 230968, independent unconditional: 3, dependent: 73, dependent conditional: 73, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 231044, independent: 230971, independent conditional: 230968, independent unconditional: 3, dependent: 73, dependent conditional: 73, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231829, independent: 230971, independent conditional: 87061, independent unconditional: 143910, dependent: 858, dependent conditional: 644, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231829, independent: 230971, independent conditional: 81758, independent unconditional: 149213, dependent: 858, dependent conditional: 475, dependent unconditional: 383, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231829, independent: 230971, independent conditional: 81758, independent unconditional: 149213, dependent: 858, dependent conditional: 475, dependent unconditional: 383, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7768, independent: 7664, independent conditional: 2276, independent unconditional: 5388, dependent: 104, dependent conditional: 85, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7768, independent: 7554, independent conditional: 0, independent unconditional: 7554, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 214, independent: 110, independent conditional: 49, independent unconditional: 61, dependent: 104, dependent conditional: 85, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, independent: 110, independent conditional: 49, independent unconditional: 61, dependent: 104, dependent conditional: 85, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, independent: 128, independent conditional: 38, independent unconditional: 90, dependent: 187, dependent conditional: 159, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 231829, independent: 223307, independent conditional: 79482, independent unconditional: 143825, dependent: 754, dependent conditional: 390, dependent unconditional: 364, unknown: 7768, unknown conditional: 2361, unknown unconditional: 5407] , Statistics on independence cache: Total cache size (in pairs): 7768, Positive cache size: 7664, Positive conditional cache size: 2276, Positive unconditional cache size: 5388, Negative cache size: 104, Negative conditional cache size: 85, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5472, Maximal queried relation: 15, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231829, independent: 230971, independent conditional: 87061, independent unconditional: 143910, dependent: 858, dependent conditional: 644, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231829, independent: 230971, independent conditional: 81758, independent unconditional: 149213, dependent: 858, dependent conditional: 475, dependent unconditional: 383, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231829, independent: 230971, independent conditional: 81758, independent unconditional: 149213, dependent: 858, dependent conditional: 475, dependent unconditional: 383, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7768, independent: 7664, independent conditional: 2276, independent unconditional: 5388, dependent: 104, dependent conditional: 85, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7768, independent: 7554, independent conditional: 0, independent unconditional: 7554, dependent: 214, dependent conditional: 0, dependent unconditional: 214, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 214, independent: 110, independent conditional: 49, independent unconditional: 61, dependent: 104, dependent conditional: 85, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 214, independent: 110, independent conditional: 49, independent unconditional: 61, dependent: 104, dependent conditional: 85, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 315, independent: 128, independent conditional: 38, independent unconditional: 90, dependent: 187, dependent conditional: 159, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 231829, independent: 223307, independent conditional: 79482, independent unconditional: 143825, dependent: 754, dependent conditional: 390, dependent unconditional: 364, unknown: 7768, unknown conditional: 2361, unknown unconditional: 5407] , Statistics on independence cache: Total cache size (in pairs): 7768, Positive cache size: 7664, Positive conditional cache size: 2276, Positive unconditional cache size: 5388, Negative cache size: 104, Negative conditional cache size: 85, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5472 ], Independence queries for same thread: 23619 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 314933, independent: 288144, independent conditional: 288144, independent unconditional: 0, dependent: 26789, dependent conditional: 26789, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288247, independent: 288144, independent conditional: 288144, independent unconditional: 0, dependent: 103, dependent conditional: 103, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288247, independent: 288144, independent conditional: 288144, independent unconditional: 0, dependent: 103, dependent conditional: 103, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 288247, independent: 288144, independent conditional: 288144, independent unconditional: 0, dependent: 103, dependent conditional: 103, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288697, independent: 288144, independent conditional: 113636, independent unconditional: 174508, dependent: 553, dependent conditional: 287, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 288697, independent: 288144, independent conditional: 112073, independent unconditional: 176071, dependent: 553, dependent conditional: 238, dependent unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 288697, independent: 288144, independent conditional: 112073, independent unconditional: 176071, dependent: 553, dependent conditional: 238, dependent unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10482, independent: 10280, independent conditional: 3092, independent unconditional: 7188, dependent: 202, dependent conditional: 152, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10482, independent: 10077, independent conditional: 0, independent unconditional: 10077, dependent: 405, dependent conditional: 0, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 405, independent: 203, independent conditional: 106, independent unconditional: 97, dependent: 202, dependent conditional: 152, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, independent: 203, independent conditional: 106, independent unconditional: 97, dependent: 202, dependent conditional: 152, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 529, independent: 208, independent conditional: 63, independent unconditional: 144, dependent: 321, dependent conditional: 258, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 288697, independent: 277864, independent conditional: 108981, independent unconditional: 168883, dependent: 351, dependent conditional: 86, dependent unconditional: 265, unknown: 10482, unknown conditional: 3244, unknown unconditional: 7238] , Statistics on independence cache: Total cache size (in pairs): 10482, Positive cache size: 10280, Positive conditional cache size: 3092, Positive unconditional cache size: 7188, Negative cache size: 202, Negative conditional cache size: 152, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1612, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288697, independent: 288144, independent conditional: 113636, independent unconditional: 174508, dependent: 553, dependent conditional: 287, dependent unconditional: 266, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 288697, independent: 288144, independent conditional: 112073, independent unconditional: 176071, dependent: 553, dependent conditional: 238, dependent unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 288697, independent: 288144, independent conditional: 112073, independent unconditional: 176071, dependent: 553, dependent conditional: 238, dependent unconditional: 315, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10482, independent: 10280, independent conditional: 3092, independent unconditional: 7188, dependent: 202, dependent conditional: 152, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10482, independent: 10077, independent conditional: 0, independent unconditional: 10077, dependent: 405, dependent conditional: 0, dependent unconditional: 405, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 405, independent: 203, independent conditional: 106, independent unconditional: 97, dependent: 202, dependent conditional: 152, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 405, independent: 203, independent conditional: 106, independent unconditional: 97, dependent: 202, dependent conditional: 152, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 529, independent: 208, independent conditional: 63, independent unconditional: 144, dependent: 321, dependent conditional: 258, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 288697, independent: 277864, independent conditional: 108981, independent unconditional: 168883, dependent: 351, dependent conditional: 86, dependent unconditional: 265, unknown: 10482, unknown conditional: 3244, unknown unconditional: 7238] , Statistics on independence cache: Total cache size (in pairs): 10482, Positive cache size: 10280, Positive conditional cache size: 3092, Positive unconditional cache size: 7188, Negative cache size: 202, Negative conditional cache size: 152, Negative unconditional cache size: 50, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1612 ], Independence queries for same thread: 26686 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 246598, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 20587, dependent conditional: 20587, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226074, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226074, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 226074, independent: 226011, independent conditional: 226011, independent unconditional: 0, dependent: 63, dependent conditional: 63, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 63, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10768, independent: 10747, independent conditional: 3494, independent unconditional: 7253, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10768, independent: 10659, independent conditional: 0, independent unconditional: 10659, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 60, independent conditional: 3, independent unconditional: 57, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 226200, independent: 215264, independent conditional: 86194, independent unconditional: 129070, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 10768, unknown conditional: 3494, unknown unconditional: 7274] , Statistics on independence cache: Total cache size (in pairs): 10768, Positive cache size: 10747, Positive conditional cache size: 3494, Positive unconditional cache size: 7253, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 63, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 226200, independent: 226011, independent conditional: 89688, independent unconditional: 136323, dependent: 189, dependent conditional: 0, dependent unconditional: 189, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10768, independent: 10747, independent conditional: 3494, independent unconditional: 7253, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10768, independent: 10659, independent conditional: 0, independent unconditional: 10659, dependent: 109, dependent conditional: 0, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 109, independent: 88, independent conditional: 46, independent unconditional: 42, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, independent: 60, independent conditional: 3, independent unconditional: 57, dependent: 29, dependent conditional: 0, dependent unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 226200, independent: 215264, independent conditional: 86194, independent unconditional: 129070, dependent: 168, dependent conditional: 0, dependent unconditional: 168, unknown: 10768, unknown conditional: 3494, unknown unconditional: 7274] , Statistics on independence cache: Total cache size (in pairs): 10768, Positive cache size: 10747, Positive conditional cache size: 3494, Positive unconditional cache size: 7253, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 63 ], Independence queries for same thread: 20524 - TimeoutResultAtElement [Line: 954]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9369 for 313692ms.. - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9369 for 313692ms.. - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9369 for 313692ms.. - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 478 with TraceHistMax 10,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 9369 for 313692ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 284 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.7s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 63, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 985 SizeOfPredicates, 22 NumberOfNonLiveVariables, 482 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 50/443 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 347 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 95, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 948 NumberOfCodeBlocks, 923 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1193 ConstructedInterpolants, 0 QuantifiedInterpolants, 2660 SizeOfPredicates, 35 NumberOfNonLiveVariables, 839 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 474/1097 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 410 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 9.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 118, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.6s InterpolantComputationTime, 1755 NumberOfCodeBlocks, 1711 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2354 ConstructedInterpolants, 0 QuantifiedInterpolants, 7058 SizeOfPredicates, 57 NumberOfNonLiveVariables, 1646 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 2435/3108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 473 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.6s InterpolantComputationTime, 2217 NumberOfCodeBlocks, 2150 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2986 ConstructedInterpolants, 83 QuantifiedInterpolants, 13195 SizeOfPredicates, 59 NumberOfNonLiveVariables, 2064 ConjunctsInSsa, 120 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 3084/3787 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances CFG has 7 procedures, 536 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 22.3s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 6.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 191, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 10.7s InterpolantComputationTime, 3936 NumberOfCodeBlocks, 3874 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5363 ConstructedInterpolants, 91 QuantifiedInterpolants, 30054 SizeOfPredicates, 90 NumberOfNonLiveVariables, 3728 ConjunctsInSsa, 200 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 6220/7188 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 6 thread instances CFG has 8 procedures, 599 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 53.3s, OverallIterations: 15, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 10.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 277, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 32.8s InterpolantComputationTime, 6998 NumberOfCodeBlocks, 6941 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 9988 ConstructedInterpolants, 100 QuantifiedInterpolants, 50101 SizeOfPredicates, 166 NumberOfNonLiveVariables, 7480 ConjunctsInSsa, 377 ConjunctsInUnsatCore, 40 InterpolantComputations, 1 PerfectInterpolantSequences, 13119/14704 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 7 thread instances CFG has 9 procedures, 662 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 113.1s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 19.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 389, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.8s SsaConstructionTime, 3.1s SatisfiabilityAnalysisTime, 76.7s InterpolantComputationTime, 10605 NumberOfCodeBlocks, 10553 NumberOfCodeBlocksAsserted, 43 NumberOfCheckSat, 15146 ConstructedInterpolants, 366 QuantifiedInterpolants, 88926 SizeOfPredicates, 242 NumberOfNonLiveVariables, 11071 ConjunctsInSsa, 555 ConjunctsInUnsatCore, 53 InterpolantComputations, 2 PerfectInterpolantSequences, 21356/23986 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 8 thread instances CFG has 10 procedures, 725 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 174.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 122.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 270, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.5s SsaConstructionTime, 6.1s SatisfiabilityAnalysisTime, 35.8s InterpolantComputationTime, 7589 NumberOfCodeBlocks, 7542 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 10571 ConstructedInterpolants, 239 QuantifiedInterpolants, 64282 SizeOfPredicates, 124 NumberOfNonLiveVariables, 7581 ConjunctsInSsa, 286 ConjunctsInUnsatCore, 29 InterpolantComputations, 2 PerfectInterpolantSequences, 12949/14675 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data with 9 thread instances CFG has 11 procedures, 788 locations, 13 error locations. Started 1 CEGAR loops. OverallTime: 407.1s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 2264 NumberOfCodeBlocks, 2264 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 3161 ConstructedInterpolants, 0 QuantifiedInterpolants, 3295 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2144 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 3463/3520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown