/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 14:57:54,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 14:57:54,263 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 14:57:54,266 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 14:57:54,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 14:57:54,280 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 14:57:54,280 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 14:57:54,280 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 14:57:54,281 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 14:57:54,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 14:57:54,281 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 14:57:54,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 14:57:54,282 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 14:57:54,282 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 14:57:54,282 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 14:57:54,282 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 14:57:54,283 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 14:57:54,283 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 14:57:54,283 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 14:57:54,283 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 14:57:54,284 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 14:57:54,284 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 14:57:54,284 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 14:57:54,284 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 14:57:54,285 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 14:57:54,285 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 14:57:54,285 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 14:57:54,285 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 14:57:54,285 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 14:57:54,285 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 14:57:54,286 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 14:57:54,286 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 14:57:54,286 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 14:57:54,286 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 14:57:54,286 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 14:57:54,287 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 14:57:54,287 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 14:57:54,287 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 14:57:54,287 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 14:57:54,287 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-05-05 14:57:54,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 14:57:54,468 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 14:57:54,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 14:57:54,471 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 14:57:54,471 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 14:57:54,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-05-05 14:57:55,558 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 14:57:55,733 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 14:57:55,734 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2024-05-05 14:57:55,741 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d6f619720/ef5a8aeee69d447e88e70f93ac1e54e0/FLAG32b36f51a [2024-05-05 14:57:55,758 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/d6f619720/ef5a8aeee69d447e88e70f93ac1e54e0 [2024-05-05 14:57:55,760 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 14:57:55,762 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 14:57:55,763 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 14:57:55,763 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 14:57:55,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 14:57:55,767 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:57:55" (1/1) ... [2024-05-05 14:57:55,768 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af5c92b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:55, skipping insertion in model container [2024-05-05 14:57:55,768 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 02:57:55" (1/1) ... [2024-05-05 14:57:55,791 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 14:57:55,949 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2024-05-05 14:57:55,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 14:57:55,966 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 14:57:55,986 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2024-05-05 14:57:55,992 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 14:57:55,998 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 14:57:55,998 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 14:57:56,003 INFO L206 MainTranslator]: Completed translation [2024-05-05 14:57:56,004 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56 WrapperNode [2024-05-05 14:57:56,006 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 14:57:56,007 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 14:57:56,007 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 14:57:56,007 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 14:57:56,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,027 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,041 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 81 [2024-05-05 14:57:56,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 14:57:56,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 14:57:56,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 14:57:56,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 14:57:56,048 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,051 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,051 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,055 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,058 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,059 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,059 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,061 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 14:57:56,062 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 14:57:56,062 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 14:57:56,062 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 14:57:56,063 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (1/1) ... [2024-05-05 14:57:56,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 14:57:56,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:57:56,090 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 14:57:56,102 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 14:57:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 14:57:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 14:57:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 14:57:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 14:57:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 14:57:56,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 14:57:56,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 14:57:56,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 14:57:56,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 14:57:56,127 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 14:57:56,201 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 14:57:56,203 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 14:57:56,368 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 14:57:56,448 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 14:57:56,448 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-05 14:57:56,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:57:56 BoogieIcfgContainer [2024-05-05 14:57:56,449 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 14:57:56,451 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 14:57:56,451 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 14:57:56,456 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 14:57:56,456 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 02:57:55" (1/3) ... [2024-05-05 14:57:56,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13353db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:57:56, skipping insertion in model container [2024-05-05 14:57:56,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 02:57:56" (2/3) ... [2024-05-05 14:57:56,457 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13353db3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 02:57:56, skipping insertion in model container [2024-05-05 14:57:56,457 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 02:57:56" (3/3) ... [2024-05-05 14:57:56,458 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2024-05-05 14:57:56,463 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 14:57:56,472 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 14:57:56,473 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 14:57:56,473 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 14:57:56,528 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-05 14:57:56,563 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 14:57:56,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 14:57:56,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:57:56,567 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 14:57:56,568 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 14:57:56,592 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 14:57:56,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:57:56,610 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 14:57:56,620 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;@349af5d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-05 14:57:56,620 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 14:57:56,893 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 14:57:56,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:57:56,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1970604412, now seen corresponding path program 1 times [2024-05-05 14:57:56,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:57:56,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364624418] [2024-05-05 14:57:56,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:57:56,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:57:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:57:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-05-05 14:57:57,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:57:57,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364624418] [2024-05-05 14:57:57,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364624418] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:57:57,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 14:57:57,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 14:57:57,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385927433] [2024-05-05 14:57:57,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:57:57,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 14:57:57,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:57:57,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 14:57:57,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 14:57:57,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:57:57,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:57:57,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 47.5) internal successors, (95), 2 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:57:57,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:57:57,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:57:57,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 14:57:57,379 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 14:57:57,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:57:57,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1182103125, now seen corresponding path program 1 times [2024-05-05 14:57:57,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:57:57,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199384739] [2024-05-05 14:57:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:57:57,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:57:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 14:58:01,486 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:58:01,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199384739] [2024-05-05 14:58:01,486 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199384739] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 14:58:01,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [43185366] [2024-05-05 14:58:01,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:01,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 14:58:01,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 14:58:01,490 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 14:58:01,500 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 14:58:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:01,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 39 conjunts are in the unsatisfiable core [2024-05-05 14:58:01,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 14:58:03,450 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 1 proven. 47 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 14:58:03,451 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 14:58:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-05 14:58:04,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [43185366] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 14:58:04,294 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 14:58:04,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 11] total 50 [2024-05-05 14:58:04,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189094157] [2024-05-05 14:58:04,295 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 14:58:04,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-05-05 14:58:04,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:58:04,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-05-05 14:58:04,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=2165, Unknown=0, NotChecked=0, Total=2450 [2024-05-05 14:58:04,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:04,325 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:58:04,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.8) internal successors, (240), 50 states have internal predecessors, (240), 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 14:58:04,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:04,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:12,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-05 14:58:12,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-05 14:58:12,343 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 14:58:12,343 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 14:58:12,344 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:58:12,344 INFO L85 PathProgramCache]: Analyzing trace with hash 738089604, now seen corresponding path program 2 times [2024-05-05 14:58:12,344 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:58:12,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511549021] [2024-05-05 14:58:12,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:12,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:12,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:12,940 INFO L134 CoverageAnalysis]: Checked inductivity of 570 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 389 trivial. 0 not checked. [2024-05-05 14:58:12,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:58:12,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511549021] [2024-05-05 14:58:12,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511549021] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:58:12,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 14:58:12,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 14:58:12,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011589724] [2024-05-05 14:58:12,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:58:12,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 14:58:12,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:58:13,260 INFO L85 PathProgramCache]: Analyzing trace with hash -1864897620, now seen corresponding path program 1 times [2024-05-05 14:58:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:13,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:13,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:58:13,829 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 14:58:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:58:14,114 INFO L85 PathProgramCache]: Analyzing trace with hash -1977251044, now seen corresponding path program 2 times [2024-05-05 14:58:14,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:14,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:16,176 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-05 14:58:16,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:16,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:16,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:18,311 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 30 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-05-05 14:58:18,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1332302326, now seen corresponding path program 3 times [2024-05-05 14:58:18,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:18,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:58:18,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 14:58:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:58:19,059 INFO L85 PathProgramCache]: Analyzing trace with hash 442291473, now seen corresponding path program 4 times [2024-05-05 14:58:19,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:19,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:19,297 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 14:58:19,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:19,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:19,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:19,484 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2024-05-05 14:58:19,658 INFO L85 PathProgramCache]: Analyzing trace with hash 41087952, now seen corresponding path program 5 times [2024-05-05 14:58:19,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:19,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:58:19,855 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 14:58:20,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 14:58:20,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-05 14:58:20,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-05-05 14:58:20,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:20,061 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 14:58:20,061 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.428571428571427) internal successors, (115), 7 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 14:58:20,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:20,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-05 14:58:20,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 14:58:20,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-05 14:58:20,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 14:58:20,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable9 [2024-05-05 14:58:20,572 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 14:58:20,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 14:58:20,572 INFO L85 PathProgramCache]: Analyzing trace with hash -1607877237, now seen corresponding path program 3 times [2024-05-05 14:58:20,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 14:58:20,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648140039] [2024-05-05 14:58:20,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:20,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:20,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 14:58:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 910 trivial. 0 not checked. [2024-05-05 14:58:21,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 14:58:21,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648140039] [2024-05-05 14:58:21,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648140039] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 14:58:21,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 14:58:21,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-05 14:58:21,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016364555] [2024-05-05 14:58:21,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 14:58:21,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-05 14:58:21,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 14:58:21,581 INFO L85 PathProgramCache]: Analyzing trace with hash -763490875, now seen corresponding path program 6 times [2024-05-05 14:58:21,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 14:58:21,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 14:58:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-05 15:12:16,631 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-05 15:12:16,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,SelfDestructingSolverStorable11 [2024-05-05 15:12:16,632 WARN L619 AbstractCegarLoop]: Verification canceled: while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-6-3-22-3-25-3-25-3-24-3-24-3-24-3-24-3-24-3-24-3-24-3-24-3-23-3-22-3-22-3-22-3-22-2-22-2-22-2-22-2-22-2-22-2-22-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-20-2-20-2-20-2-20-2-19-2-18-2-17-2-17-2-17-2-16-2-15-2-15-2-14-2-13-2-11-2-10-2-8-2-7-2-6-2-4-2-3-2-3-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-31-2-25-3-24-3-24-3-24-3-24-3-24-3-24-3-24-3-24-3-23-3-22-3-22-3-22-3-22-3-22-3-22-2-22-2-22-2-22-2-22-2-21-2-21-2-21-2-21-2-21-2-21-2-21-2-20-2-20-2-20-2-20-2-19-2-18-2-17-2-17-2-17-2-16-2-15-2-15-2-14-2-13-2-11-2-10-2-8-2-7-2-6-2-4-2-3-2-3-2-1 context. [2024-05-05 15:12:16,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-05 15:12:16,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-05 15:12:16,635 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-05 15:12:16,639 INFO L448 BasicCegarLoop]: Path program histogram: [6, 3, 1] [2024-05-05 15:12:16,639 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: clock still running: ConditionalCommutativityCheckTime at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.getValue(CegarLoopStatisticsGenerator.java:172) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.aggregateBenchmarkData(StatisticsData.java:60) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-05-05 15:12:16,648 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 15:12:16,651 INFO L158 Benchmark]: Toolchain (without parser) took 860889.12ms. Allocated memory was 226.5MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 155.4MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.5GB. Max. memory is 8.0GB. [2024-05-05 15:12:16,652 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 164.6MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 15:12:16,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.07ms. Allocated memory is still 226.5MB. Free memory was 155.2MB in the beginning and 143.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-05 15:12:16,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.26ms. Allocated memory is still 226.5MB. Free memory was 143.4MB in the beginning and 141.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 15:12:16,653 INFO L158 Benchmark]: Boogie Preprocessor took 19.99ms. Allocated memory is still 226.5MB. Free memory was 141.8MB in the beginning and 140.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 15:12:16,653 INFO L158 Benchmark]: RCFGBuilder took 387.60ms. Allocated memory is still 226.5MB. Free memory was 140.2MB in the beginning and 119.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-05 15:12:16,653 INFO L158 Benchmark]: TraceAbstraction took 860199.31ms. Allocated memory was 226.5MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 118.7MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2024-05-05 15:12:16,655 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 164.6MB. Free memory is still 136.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 243.07ms. Allocated memory is still 226.5MB. Free memory was 155.2MB in the beginning and 143.6MB in the end (delta: 11.6MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.26ms. Allocated memory is still 226.5MB. Free memory was 143.4MB in the beginning and 141.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.99ms. Allocated memory is still 226.5MB. Free memory was 141.8MB in the beginning and 140.4MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 387.60ms. Allocated memory is still 226.5MB. Free memory was 140.2MB in the beginning and 119.9MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 860199.31ms. Allocated memory was 226.5MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 118.7MB in the beginning and 1.6GB in the end (delta: -1.4GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12276, independent: 10842, independent conditional: 9965, independent unconditional: 877, dependent: 1434, dependent conditional: 1407, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11057, independent: 10842, independent conditional: 9965, independent unconditional: 877, dependent: 215, dependent conditional: 188, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11057, independent: 10842, independent conditional: 9965, independent unconditional: 877, dependent: 215, dependent conditional: 188, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11057, independent: 10842, independent conditional: 9965, independent unconditional: 877, dependent: 215, dependent conditional: 188, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11520, independent: 10842, independent conditional: 1224, independent unconditional: 9618, dependent: 678, dependent conditional: 209, dependent unconditional: 469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11520, independent: 10842, independent conditional: 1035, independent unconditional: 9807, dependent: 678, dependent conditional: 120, dependent unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11520, independent: 10842, independent conditional: 1035, independent unconditional: 9807, dependent: 678, dependent conditional: 120, dependent unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 629, independent: 565, independent conditional: 76, independent unconditional: 489, dependent: 64, dependent conditional: 50, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 629, independent: 543, independent conditional: 0, independent unconditional: 543, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 86, independent: 22, independent conditional: 22, independent unconditional: 0, dependent: 64, dependent conditional: 50, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, independent: 22, independent conditional: 22, independent unconditional: 0, dependent: 64, dependent conditional: 50, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 442, independent: 46, independent conditional: 46, independent unconditional: 0, dependent: 396, dependent conditional: 256, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11520, independent: 10277, independent conditional: 959, independent unconditional: 9318, dependent: 614, dependent conditional: 70, dependent unconditional: 544, unknown: 629, unknown conditional: 126, unknown unconditional: 503] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 565, Positive conditional cache size: 76, Positive unconditional cache size: 489, Negative cache size: 64, Negative conditional cache size: 50, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 278, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11520, independent: 10842, independent conditional: 1224, independent unconditional: 9618, dependent: 678, dependent conditional: 209, dependent unconditional: 469, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11520, independent: 10842, independent conditional: 1035, independent unconditional: 9807, dependent: 678, dependent conditional: 120, dependent unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11520, independent: 10842, independent conditional: 1035, independent unconditional: 9807, dependent: 678, dependent conditional: 120, dependent unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 629, independent: 565, independent conditional: 76, independent unconditional: 489, dependent: 64, dependent conditional: 50, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 629, independent: 543, independent conditional: 0, independent unconditional: 543, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 86, independent: 22, independent conditional: 22, independent unconditional: 0, dependent: 64, dependent conditional: 50, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 86, independent: 22, independent conditional: 22, independent unconditional: 0, dependent: 64, dependent conditional: 50, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 442, independent: 46, independent conditional: 46, independent unconditional: 0, dependent: 396, dependent conditional: 256, dependent unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 11520, independent: 10277, independent conditional: 959, independent unconditional: 9318, dependent: 614, dependent conditional: 70, dependent unconditional: 544, unknown: 629, unknown conditional: 126, unknown unconditional: 503] , Statistics on independence cache: Total cache size (in pairs): 629, Positive cache size: 565, Positive conditional cache size: 76, Positive unconditional cache size: 489, Negative cache size: 64, Negative conditional cache size: 50, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 278 ], Independence queries for same thread: 1219 - ExceptionOrErrorResult: AssertionError: clock still running: ConditionalCommutativityCheckTime de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: clock still running: ConditionalCommutativityCheckTime: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopStatisticsGenerator.getValue(CegarLoopStatisticsGenerator.java:172) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown