/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 SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 02:45:03,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 02:45:03,501 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 02:45:03,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 02:45:03,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 02:45:03,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 02:45:03,529 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 02:45:03,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 02:45:03,530 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 02:45:03,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 02:45:03,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 02:45:03,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 02:45:03,534 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 02:45:03,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 02:45:03,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 02:45:03,558 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 02:45:03,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 02:45:03,558 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 02:45:03,559 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 02:45:03,559 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 02:45:03,559 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 02:45:03,559 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 02:45:03,559 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 02:45:03,560 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 02:45:03,560 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 02:45:03,560 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 02:45:03,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 02:45:03,560 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 02:45:03,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 02:45:03,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 02:45:03,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 02:45:03,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 02:45:03,562 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-05-05 02:45:03,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 02:45:03,770 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 02:45:03,772 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 02:45:03,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 02:45:03,773 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 02:45:03,774 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2024-05-05 02:45:04,803 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 02:45:04,987 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 02:45:04,987 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_86-lists_racing.i [2024-05-05 02:45:05,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/afb394740/1c70b031a1b348ed9486307c6bdd5146/FLAGfcaf7e729 [2024-05-05 02:45:05,030 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/afb394740/1c70b031a1b348ed9486307c6bdd5146 [2024-05-05 02:45:05,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 02:45:05,033 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 02:45:05,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 02:45:05,034 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 02:45:05,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 02:45:05,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd8928c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05, skipping insertion in model container [2024-05-05 02:45:05,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,080 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 02:45:05,366 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_86-lists_racing.i[47038,47051] [2024-05-05 02:45:05,405 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 02:45:05,471 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 02:45:05,492 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_86-lists_racing.i[47038,47051] [2024-05-05 02:45:05,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 02:45:05,557 INFO L206 MainTranslator]: Completed translation [2024-05-05 02:45:05,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05 WrapperNode [2024-05-05 02:45:05,559 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 02:45:05,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 02:45:05,560 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 02:45:05,560 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 02:45:05,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,616 INFO L138 Inliner]: procedures = 279, calls = 66, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 254 [2024-05-05 02:45:05,616 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 02:45:05,617 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 02:45:05,617 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 02:45:05,617 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 02:45:05,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,638 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,639 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,646 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 02:45:05,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 02:45:05,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 02:45:05,679 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 02:45:05,680 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (1/1) ... [2024-05-05 02:45:05,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 02:45:05,698 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:45:05,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 02:45:05,720 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 02:45:05,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 02:45:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-05-05 02:45:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2024-05-05 02:45:05,759 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2024-05-05 02:45:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 02:45:05,759 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-05 02:45:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 02:45:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2024-05-05 02:45:05,760 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2024-05-05 02:45:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 02:45:05,760 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-05 02:45:05,761 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 02:45:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 02:45:05,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-05-05 02:45:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 02:45:05,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 02:45:05,763 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 02:45:05,765 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 02:45:05,921 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 02:45:05,927 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 02:45:06,186 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 02:45:06,224 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 02:45:06,224 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2024-05-05 02:45:06,226 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:45:06 BoogieIcfgContainer [2024-05-05 02:45:06,226 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 02:45:06,227 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 02:45:06,227 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 02:45:06,235 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 02:45:06,236 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 02:45:05" (1/3) ... [2024-05-05 02:45:06,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9d90c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:45:06, skipping insertion in model container [2024-05-05 02:45:06,237 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:45:05" (2/3) ... [2024-05-05 02:45:06,237 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c9d90c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:45:06, skipping insertion in model container [2024-05-05 02:45:06,238 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:45:06" (3/3) ... [2024-05-05 02:45:06,239 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_86-lists_racing.i [2024-05-05 02:45:06,247 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 02:45:06,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 02:45:06,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 02:45:06,255 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 02:45:06,353 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-05 02:45:06,397 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 02:45:06,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 02:45:06,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:45:06,400 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 02:45:06,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 02:45:06,457 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 02:45:06,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:45:06,467 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 02:45:06,472 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;@3160a13, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 02:45:06,472 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 02:45:06,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 02:45:06,513 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:45:06,514 INFO L85 PathProgramCache]: Analyzing trace with hash 2137824725, now seen corresponding path program 1 times [2024-05-05 02:45:06,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:45:06,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727735606] [2024-05-05 02:45:06,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:45:06,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:45:06,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:45:06,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:06,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:45:06,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727735606] [2024-05-05 02:45:06,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727735606] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 02:45:06,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 02:45:06,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-05 02:45:06,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800880273] [2024-05-05 02:45:06,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 02:45:06,981 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 02:45:06,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:45:07,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 02:45:07,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-05 02:45:07,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:45:07,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:45:07,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 02:45:07,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:45:07,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 02:45:07,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 02:45:07,074 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 02:45:07,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:45:07,074 INFO L85 PathProgramCache]: Analyzing trace with hash 524205999, now seen corresponding path program 1 times [2024-05-05 02:45:07,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:45:07,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703693250] [2024-05-05 02:45:07,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:45:07,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:45:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:45:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:07,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:45:07,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703693250] [2024-05-05 02:45:07,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703693250] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:45:07,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [800922684] [2024-05-05 02:45:07,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:45:07,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:45:07,348 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:45:07,414 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:45:07,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 02:45:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:45:07,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-05 02:45:07,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 02:45:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:07,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 02:45:07,683 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:07,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [800922684] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 02:45:07,684 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 02:45:07,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-05 02:45:07,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172106531] [2024-05-05 02:45:07,684 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 02:45:07,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-05 02:45:07,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:45:07,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-05 02:45:07,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-05 02:45:07,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:45:07,691 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:45:07,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.8) internal successors, (128), 10 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 02:45:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 02:45:07,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:45:07,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 02:45:07,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 02:45:07,779 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 02:45:07,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-05-05 02:45:07,967 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 02:45:07,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:45:07,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1109010275, now seen corresponding path program 2 times [2024-05-05 02:45:07,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:45:07,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123646953] [2024-05-05 02:45:07,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:45:07,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:45:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:45:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:08,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:45:08,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123646953] [2024-05-05 02:45:08,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123646953] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:45:08,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121831124] [2024-05-05 02:45:08,309 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 02:45:08,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:45:08,309 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:45:08,310 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:45:08,338 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 02:45:08,476 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 02:45:08,477 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 02:45:08,478 INFO L262 TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-05 02:45:08,482 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 02:45:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:08,560 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 02:45:08,660 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:08,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121831124] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 02:45:08,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 02:45:08,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-05 02:45:08,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191215792] [2024-05-05 02:45:08,661 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 02:45:08,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-05 02:45:08,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:45:08,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-05 02:45:08,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-05 02:45:08,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:45:08,680 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:45:08,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 10.666666666666666) internal successors, (192), 18 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 02:45:08,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 02:45:08,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 02:45:08,681 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:45:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 02:45:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 02:45:08,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 02:45:08,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 02:45:09,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:45:09,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 02:45:09,067 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 02:45:09,068 INFO L85 PathProgramCache]: Analyzing trace with hash 886475, now seen corresponding path program 3 times [2024-05-05 02:45:09,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 02:45:09,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29429961] [2024-05-05 02:45:09,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 02:45:09,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 02:45:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 02:45:09,599 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 343 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 02:45:09,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 02:45:09,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29429961] [2024-05-05 02:45:09,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29429961] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 02:45:09,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062138434] [2024-05-05 02:45:09,600 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 02:45:09,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 02:45:09,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 02:45:09,601 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 02:45:09,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process Received shutdown request... [2024-05-05 02:59:53,701 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 [2024-05-05 02:59:53,705 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 02:59:53,734 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 [2024-05-05 02:59:54,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 02:59:54,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-05 02:59:54,910 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forcibly destroying the process [2024-05-05 02:59:54,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 137 [2024-05-05 02:59:54,954 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-05 02:59:54,954 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-05 02:59:54,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-05-05 02:59:54,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440543833] [2024-05-05 02:59:54,955 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-05 02:59:54,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-05 02:59:54,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 02:59:54,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-05 02:59:54,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=192, Unknown=0, NotChecked=0, Total=272 [2024-05-05 02:59:54,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:59:54,960 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 02:59:54,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 11.176470588235293) internal successors, (190), 17 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) [2024-05-05 02:59:54,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 02:59:54,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 02:59:54,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 02:59:54,960 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 02:59:54,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-05 02:59:54,961 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-05 02:59:54,963 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-05 02:59:54,963 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-05 02:59:54,963 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-05 02:59:54,963 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-05-05 02:59:54,966 INFO L448 BasicCegarLoop]: Path program histogram: [3, 1] [2024-05-05 02:59:54,979 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 02:59:54,979 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 02:59:54,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 02:59:54 BasicIcfg [2024-05-05 02:59:54,982 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 02:59:54,983 INFO L158 Benchmark]: Toolchain (without parser) took 889949.86ms. Allocated memory was 302.0MB in the beginning and 437.3MB in the end (delta: 135.3MB). Free memory was 274.4MB in the beginning and 242.9MB in the end (delta: 31.5MB). Peak memory consumption was 167.3MB. Max. memory is 8.0GB. [2024-05-05 02:59:54,983 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory was 182.0MB in the beginning and 181.9MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 02:59:54,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 525.34ms. Allocated memory is still 302.0MB. Free memory was 274.0MB in the beginning and 237.9MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. [2024-05-05 02:59:54,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.45ms. Allocated memory is still 302.0MB. Free memory was 237.9MB in the beginning and 234.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-05 02:59:54,984 INFO L158 Benchmark]: Boogie Preprocessor took 61.92ms. Allocated memory is still 302.0MB. Free memory was 234.8MB in the beginning and 232.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 02:59:54,984 INFO L158 Benchmark]: RCFGBuilder took 546.67ms. Allocated memory is still 302.0MB. Free memory was 232.4MB in the beginning and 266.4MB in the end (delta: -33.9MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. [2024-05-05 02:59:54,984 INFO L158 Benchmark]: TraceAbstraction took 888755.16ms. Allocated memory was 302.0MB in the beginning and 437.3MB in the end (delta: 135.3MB). Free memory was 265.3MB in the beginning and 242.9MB in the end (delta: 22.4MB). Peak memory consumption was 157.7MB. Max. memory is 8.0GB. [2024-05-05 02:59:54,985 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 213.9MB. Free memory was 182.0MB in the beginning and 181.9MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 525.34ms. Allocated memory is still 302.0MB. Free memory was 274.0MB in the beginning and 237.9MB in the end (delta: 36.1MB). Peak memory consumption was 35.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 56.45ms. Allocated memory is still 302.0MB. Free memory was 237.9MB in the beginning and 234.8MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 61.92ms. Allocated memory is still 302.0MB. Free memory was 234.8MB in the beginning and 232.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 546.67ms. Allocated memory is still 302.0MB. Free memory was 232.4MB in the beginning and 266.4MB in the end (delta: -33.9MB). Peak memory consumption was 30.6MB. Max. memory is 8.0GB. * TraceAbstraction took 888755.16ms. Allocated memory was 302.0MB in the beginning and 437.3MB in the end (delta: 135.3MB). Free memory was 265.3MB in the beginning and 242.9MB in the end (delta: 22.4MB). Peak memory consumption was 157.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 290, independent: 272, independent conditional: 272, independent unconditional: 0, dependent: 18, dependent conditional: 18, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 272, independent: 272, independent conditional: 272, 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: 272, independent: 272, independent conditional: 272, 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: 272, independent: 272, independent conditional: 272, 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: 272, independent: 272, independent conditional: 136, independent unconditional: 136, 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: 272, independent: 272, independent conditional: 136, independent unconditional: 136, 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: 272, independent: 272, independent conditional: 136, independent unconditional: 136, 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: 50, independent: 50, independent conditional: 16, independent unconditional: 34, 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: 50, independent: 50, independent conditional: 0, independent unconditional: 50, 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: 272, independent: 222, independent conditional: 120, independent unconditional: 102, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 50, unknown conditional: 16, unknown unconditional: 34] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 16, Positive unconditional cache size: 34, 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: 272, independent: 272, independent conditional: 136, independent unconditional: 136, 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: 272, independent: 272, independent conditional: 136, independent unconditional: 136, 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: 272, independent: 272, independent conditional: 136, independent unconditional: 136, 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: 50, independent: 50, independent conditional: 16, independent unconditional: 34, 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: 50, independent: 50, independent conditional: 0, independent unconditional: 50, 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: 272, independent: 222, independent conditional: 120, independent unconditional: 102, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 50, unknown conditional: 16, unknown unconditional: 34] , Statistics on independence cache: Total cache size (in pairs): 50, Positive cache size: 50, Positive conditional cache size: 16, Positive unconditional cache size: 34, 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: 18 - TimeoutResultAtElement [Line: 999]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1050]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1051]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 357 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 888.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.3s, 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: 35, 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, 1.5s InterpolantComputationTime, 732 NumberOfCodeBlocks, 732 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 1576 SizeOfPredicates, 8 NumberOfNonLiveVariables, 862 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 40/539 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown