/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 50 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 20:57:46,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 20:57:46,118 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 20:57:46,122 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 20:57:46,122 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 20:57:46,146 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 20:57:46,146 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 20:57:46,146 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 20:57:46,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 20:57:46,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 20:57:46,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 20:57:46,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 20:57:46,151 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 20:57:46,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 20:57:46,152 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 20:57:46,152 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 20:57:46,152 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 20:57:46,152 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 20:57:46,152 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 20:57:46,153 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 20:57:46,153 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 20:57:46,153 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 20:57:46,153 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 20:57:46,153 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 20:57:46,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 20:57:46,154 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 20:57:46,154 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 20:57:46,154 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 20:57:46,154 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 20:57:46,154 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:57:46,156 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 20:57:46,156 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 20:57:46,156 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 20:57:46,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 20:57:46,156 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 20:57:46,156 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 20:57:46,156 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 20:57:46,157 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 20:57:46,157 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 20:57:46,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 20:57:46,343 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 20:57:46,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 20:57:46,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 20:57:46,372 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 20:57:46,372 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 20:57:46,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-04-04 20:57:47,395 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 20:57:47,611 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 20:57:47,612 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i [2024-04-04 20:57:47,637 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/109e76621/5e9e53eed25b437e9fed00ffdd18bd5d/FLAGf7aff2db1 [2024-04-04 20:57:47,646 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/109e76621/5e9e53eed25b437e9fed00ffdd18bd5d [2024-04-04 20:57:47,648 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 20:57:47,649 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 20:57:47,649 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 20:57:47,649 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 20:57:47,655 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 20:57:47,655 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:57:47" (1/1) ... [2024-04-04 20:57:47,656 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@179dbb5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:47, skipping insertion in model container [2024-04-04 20:57:47,656 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:57:47" (1/1) ... [2024-04-04 20:57:47,698 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 20:57:47,978 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-04-04 20:57:47,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:57:47,994 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 20:57:48,065 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/arithmetic_prog_ok.i[39757,39770] [2024-04-04 20:57:48,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 20:57:48,115 INFO L206 MainTranslator]: Completed translation [2024-04-04 20:57:48,115 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48 WrapperNode [2024-04-04 20:57:48,116 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 20:57:48,117 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 20:57:48,117 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 20:57:48,117 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 20:57:48,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,145 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,167 INFO L138 Inliner]: procedures = 244, calls = 54, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 80 [2024-04-04 20:57:48,167 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 20:57:48,168 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 20:57:48,168 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 20:57:48,168 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 20:57:48,174 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,174 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,190 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,191 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,197 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,199 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,200 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,201 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 20:57:48,203 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 20:57:48,203 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 20:57:48,203 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 20:57:48,204 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (1/1) ... [2024-04-04 20:57:48,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 20:57:48,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:57:48,250 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 20:57:48,266 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 20:57:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 20:57:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 20:57:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-04-04 20:57:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 20:57:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 20:57:48,285 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 20:57:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 20:57:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 20:57:48,286 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 20:57:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 20:57:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 20:57:48,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 20:57:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 20:57:48,287 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 20:57:48,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 20:57:48,289 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 20:57:48,412 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 20:57:48,414 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 20:57:48,592 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 20:57:48,618 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 20:57:48,618 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 20:57:48,620 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:57:48 BoogieIcfgContainer [2024-04-04 20:57:48,620 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 20:57:48,622 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 20:57:48,622 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 20:57:48,624 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 20:57:48,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:57:47" (1/3) ... [2024-04-04 20:57:48,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a95dfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:57:48, skipping insertion in model container [2024-04-04 20:57:48,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:57:48" (2/3) ... [2024-04-04 20:57:48,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a95dfa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:57:48, skipping insertion in model container [2024-04-04 20:57:48,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:57:48" (3/3) ... [2024-04-04 20:57:48,626 INFO L112 eAbstractionObserver]: Analyzing ICFG arithmetic_prog_ok.i [2024-04-04 20:57:48,634 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 20:57:48,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 20:57:48,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 20:57:48,641 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 20:57:48,702 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 20:57:48,731 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 20:57:48,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 20:57:48,732 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:57:48,733 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 20:57:48,734 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 20:57:48,757 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 20:57:48,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:48,766 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 20:57:48,771 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;@780f517d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213 [2024-04-04 20:57:48,771 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 20:57:48,960 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:57:48,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:48,962 INFO L85 PathProgramCache]: Analyzing trace with hash -892493939, now seen corresponding path program 1 times [2024-04-04 20:57:48,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:57:48,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760630333] [2024-04-04 20:57:48,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:48,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:57:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:49,562 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-04 20:57:49,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:57:49,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760630333] [2024-04-04 20:57:49,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760630333] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:57:49,563 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:57:49,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 20:57:49,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1241582769] [2024-04-04 20:57:49,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:57:49,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 20:57:49,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:57:49,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 20:57:49,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 20:57:49,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:49,736 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:57:49,737 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.333333333333336) internal successors, (121), 3 states have internal predecessors, (121), 0 states have call successors, (0), 0 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 20:57:49,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:49,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:49,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 20:57:49,842 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:57:49,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:49,843 INFO L85 PathProgramCache]: Analyzing trace with hash -1539757117, now seen corresponding path program 2 times [2024-04-04 20:57:49,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:57:49,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588631929] [2024-04-04 20:57:49,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:49,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:57:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:50,111 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-04-04 20:57:50,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:57:50,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588631929] [2024-04-04 20:57:50,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588631929] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:57:50,112 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:57:50,112 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 20:57:50,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394672664] [2024-04-04 20:57:50,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:57:50,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 20:57:50,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:57:50,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 20:57:50,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 20:57:50,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:50,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:57:50,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 26.6) internal successors, (133), 5 states have internal predecessors, (133), 0 states have call successors, (0), 0 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 20:57:50,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:50,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:50,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:50,356 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 20:57:50,356 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:57:50,358 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:50,358 INFO L85 PathProgramCache]: Analyzing trace with hash 904381238, now seen corresponding path program 1 times [2024-04-04 20:57:50,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:57:50,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131049283] [2024-04-04 20:57:50,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:50,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:57:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2024-04-04 20:57:50,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:57:50,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131049283] [2024-04-04 20:57:50,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131049283] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:57:50,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 20:57:50,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 20:57:50,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049984760] [2024-04-04 20:57:50,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:57:50,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 20:57:50,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:57:50,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 20:57:50,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 20:57:50,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:50,542 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:57:50,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 39.0) internal successors, (117), 3 states have internal predecessors, (117), 0 states have call successors, (0), 0 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 20:57:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:50,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:50,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 20:57:50,588 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:57:50,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:50,590 INFO L85 PathProgramCache]: Analyzing trace with hash -1319990757, now seen corresponding path program 2 times [2024-04-04 20:57:50,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:57:50,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801622515] [2024-04-04 20:57:50,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:50,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:57:50,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:50,760 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-04-04 20:57:50,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:57:50,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801622515] [2024-04-04 20:57:50,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801622515] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:57:50,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360329353] [2024-04-04 20:57:50,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 20:57:50,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:57:50,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:57:50,798 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 20:57:50,848 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 20:57:50,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 20:57:50,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:57:50,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 20:57:50,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:57:51,053 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-04 20:57:51,054 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 20:57:51,055 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360329353] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:57:51,056 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 20:57:51,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 8 [2024-04-04 20:57:51,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678203721] [2024-04-04 20:57:51,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:57:51,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:57:51,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:57:51,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 20:57:51,091 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-04-04 20:57:51,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:51,092 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:57:51,092 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 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 20:57:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:51,173 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 20:57:51,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:57:51,374 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:57:51,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:51,374 INFO L85 PathProgramCache]: Analyzing trace with hash -506339265, now seen corresponding path program 3 times [2024-04-04 20:57:51,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:57:51,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274107941] [2024-04-04 20:57:51,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:51,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:57:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:51,570 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 84 proven. 7 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-04-04 20:57:51,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:57:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274107941] [2024-04-04 20:57:51,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274107941] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:57:51,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743113883] [2024-04-04 20:57:51,570 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:57:51,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:57:51,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:57:51,571 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 20:57:51,588 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 20:57:51,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 20:57:51,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:57:51,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 491 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 20:57:51,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:57:51,845 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-04-04 20:57:51,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 20:57:51,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743113883] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 20:57:51,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 20:57:51,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 8 [2024-04-04 20:57:51,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533103022] [2024-04-04 20:57:51,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 20:57:51,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 20:57:51,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:57:51,869 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 20:57:51,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-04-04 20:57:51,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:51,869 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:57:51,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.833333333333332) internal successors, (149), 6 states have internal predecessors, (149), 0 states have call successors, (0), 0 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 20:57:51,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:51,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:51,870 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:51,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:51,947 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 20:57:52,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:57:52,147 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:57:52,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:52,147 INFO L85 PathProgramCache]: Analyzing trace with hash 1706011079, now seen corresponding path program 3 times [2024-04-04 20:57:52,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:57:52,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652753264] [2024-04-04 20:57:52,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:52,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:57:52,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:52,324 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 20:57:52,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:57:52,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652753264] [2024-04-04 20:57:52,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652753264] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:57:52,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1135959598] [2024-04-04 20:57:52,325 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 20:57:52,325 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:57:52,325 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:57:52,328 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 20:57:52,356 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 20:57:52,484 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 20:57:52,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 20:57:52,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 20:57:52,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:57:52,594 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 20:57:52,594 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:57:52,695 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 23 proven. 60 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 20:57:52,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1135959598] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:57:52,695 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:57:52,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 11 [2024-04-04 20:57:52,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [51464146] [2024-04-04 20:57:52,696 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:57:52,696 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 20:57:52,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:57:52,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 20:57:52,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-04-04 20:57:52,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:52,717 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:57:52,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 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 20:57:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:52,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:52,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:52,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 20:57:52,820 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 20:57:53,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:57:53,018 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 20:57:53,018 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 20:57:53,019 INFO L85 PathProgramCache]: Analyzing trace with hash 814636186, now seen corresponding path program 1 times [2024-04-04 20:57:53,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 20:57:53,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042759577] [2024-04-04 20:57:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:53,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 20:57:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:53,622 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:57:53,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 20:57:53,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042759577] [2024-04-04 20:57:53,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042759577] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 20:57:53,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [643669719] [2024-04-04 20:57:53,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 20:57:53,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 20:57:53,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 20:57:53,625 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 20:57:53,633 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 20:57:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 20:57:53,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 468 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-04 20:57:53,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 20:57:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:57:54,283 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 20:57:54,833 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 158 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 20:57:54,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [643669719] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 20:57:54,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 20:57:54,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 43 [2024-04-04 20:57:54,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88261158] [2024-04-04 20:57:54,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 20:57:54,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-04 20:57:54,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 20:57:54,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-04 20:57:54,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=1677, Unknown=0, NotChecked=0, Total=1806 [2024-04-04 20:57:54,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:54,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 20:57:54,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 9.534883720930232) internal successors, (410), 43 states have internal predecessors, (410), 0 states have call successors, (0), 0 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 20:57:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-04 20:57:54,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 20:57:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 20:57:56,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 20:57:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 20:57:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-04 20:57:56,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 20:57:56,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 20:57:56,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 20:57:56,393 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 20:57:56,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 20:57:56,601 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-04 20:57:56,605 INFO L445 BasicCegarLoop]: Path program histogram: [3, 3, 1] [2024-04-04 20:57:56,607 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 20:57:56,607 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 20:57:56,609 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:57:56 BasicIcfg [2024-04-04 20:57:56,609 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 20:57:56,609 INFO L158 Benchmark]: Toolchain (without parser) took 8960.76ms. Allocated memory was 170.9MB in the beginning and 419.4MB in the end (delta: 248.5MB). Free memory was 97.9MB in the beginning and 243.5MB in the end (delta: -145.7MB). Peak memory consumption was 218.3MB. Max. memory is 8.0GB. [2024-04-04 20:57:56,609 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 20:57:56,610 INFO L158 Benchmark]: CACSL2BoogieTranslator took 466.50ms. Allocated memory was 170.9MB in the beginning and 288.4MB in the end (delta: 117.4MB). Free memory was 97.7MB in the beginning and 250.1MB in the end (delta: -152.5MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. [2024-04-04 20:57:56,610 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.69ms. Allocated memory is still 288.4MB. Free memory was 250.1MB in the beginning and 248.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 20:57:56,610 INFO L158 Benchmark]: Boogie Preprocessor took 34.96ms. Allocated memory is still 288.4MB. Free memory was 248.0MB in the beginning and 246.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 20:57:56,610 INFO L158 Benchmark]: RCFGBuilder took 416.99ms. Allocated memory is still 288.4MB. Free memory was 246.0MB in the beginning and 226.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-04-04 20:57:56,611 INFO L158 Benchmark]: TraceAbstraction took 7987.15ms. Allocated memory was 288.4MB in the beginning and 419.4MB in the end (delta: 131.1MB). Free memory was 225.0MB in the beginning and 243.5MB in the end (delta: -18.6MB). Peak memory consumption was 225.4MB. Max. memory is 8.0GB. [2024-04-04 20:57:56,612 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 170.9MB. Free memory is still 102.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 466.50ms. Allocated memory was 170.9MB in the beginning and 288.4MB in the end (delta: 117.4MB). Free memory was 97.7MB in the beginning and 250.1MB in the end (delta: -152.5MB). Peak memory consumption was 29.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 50.69ms. Allocated memory is still 288.4MB. Free memory was 250.1MB in the beginning and 248.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.96ms. Allocated memory is still 288.4MB. Free memory was 248.0MB in the beginning and 246.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 416.99ms. Allocated memory is still 288.4MB. Free memory was 246.0MB in the beginning and 226.6MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 7987.15ms. Allocated memory was 288.4MB in the beginning and 419.4MB in the end (delta: 131.1MB). Free memory was 225.0MB in the beginning and 243.5MB in the end (delta: -18.6MB). Peak memory consumption was 225.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 36606, independent: 33320, independent conditional: 33257, independent unconditional: 63, dependent: 3286, dependent conditional: 3268, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 33616, independent: 33320, independent conditional: 33257, independent unconditional: 63, dependent: 296, dependent conditional: 296, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33616, independent: 33320, independent conditional: 33257, independent unconditional: 63, dependent: 296, dependent conditional: 296, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 33616, independent: 33320, independent conditional: 33257, independent unconditional: 63, dependent: 296, dependent conditional: 296, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35309, independent: 33320, independent conditional: 1300, independent unconditional: 32020, dependent: 1989, dependent conditional: 1395, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35309, independent: 33320, independent conditional: 813, independent unconditional: 32507, dependent: 1989, dependent conditional: 250, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35309, independent: 33320, independent conditional: 813, independent unconditional: 32507, dependent: 1989, dependent conditional: 250, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1687, independent: 1647, independent conditional: 116, independent unconditional: 1531, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1687, independent: 1619, independent conditional: 0, independent unconditional: 1619, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 28, independent conditional: 12, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 28, independent conditional: 12, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, independent: 26, independent conditional: 7, independent unconditional: 19, dependent: 106, dependent conditional: 18, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35309, independent: 31673, independent conditional: 697, independent unconditional: 30976, dependent: 1949, dependent conditional: 236, dependent unconditional: 1713, unknown: 1687, unknown conditional: 130, unknown unconditional: 1557] , Statistics on independence cache: Total cache size (in pairs): 1687, Positive cache size: 1647, Positive conditional cache size: 116, Positive unconditional cache size: 1531, Negative cache size: 40, Negative conditional cache size: 14, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1632, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35309, independent: 33320, independent conditional: 1300, independent unconditional: 32020, dependent: 1989, dependent conditional: 1395, dependent unconditional: 594, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 35309, independent: 33320, independent conditional: 813, independent unconditional: 32507, dependent: 1989, dependent conditional: 250, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 35309, independent: 33320, independent conditional: 813, independent unconditional: 32507, dependent: 1989, dependent conditional: 250, dependent unconditional: 1739, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1687, independent: 1647, independent conditional: 116, independent unconditional: 1531, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1687, independent: 1619, independent conditional: 0, independent unconditional: 1619, dependent: 68, dependent conditional: 0, dependent unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 68, independent: 28, independent conditional: 12, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 68, independent: 28, independent conditional: 12, independent unconditional: 16, dependent: 40, dependent conditional: 14, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, independent: 26, independent conditional: 7, independent unconditional: 19, dependent: 106, dependent conditional: 18, dependent unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 35309, independent: 31673, independent conditional: 697, independent unconditional: 30976, dependent: 1949, dependent conditional: 236, dependent unconditional: 1713, unknown: 1687, unknown conditional: 130, unknown unconditional: 1557] , Statistics on independence cache: Total cache size (in pairs): 1687, Positive cache size: 1647, Positive conditional cache size: 116, Positive unconditional cache size: 1531, Negative cache size: 40, Negative conditional cache size: 14, Negative unconditional cache size: 26, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1632 ], Independence queries for same thread: 2990 - PositiveResult [Line: 919]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 175 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 7.9s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.3s, 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: 61, 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, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1849 NumberOfCodeBlocks, 1849 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 2180 ConstructedInterpolants, 0 QuantifiedInterpolants, 6420 SizeOfPredicates, 25 NumberOfNonLiveVariables, 1785 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 13 InterpolantComputations, 5 PerfectInterpolantSequences, 702/1368 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-04 20:57:56,627 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-04-04 20:57:56,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...