/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 01:45:36,360 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 01:45:36,427 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 01:45:36,432 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 01:45:36,432 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 01:45:36,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 01:45:36,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 01:45:36,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 01:45:36,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 01:45:36,459 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 01:45:36,459 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 01:45:36,459 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 01:45:36,460 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 01:45:36,461 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 01:45:36,461 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 01:45:36,461 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 01:45:36,461 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 01:45:36,462 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 01:45:36,462 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 01:45:36,462 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 01:45:36,462 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 01:45:36,462 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 01:45:36,462 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 01:45:36,463 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 01:45:36,463 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 01:45:36,463 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 01:45:36,463 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 01:45:36,463 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 01:45:36,463 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 01:45:36,464 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 01:45:36,465 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 01:45:36,465 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 01:45:36,465 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 01:45:36,465 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 01:45:36,465 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 01:45:36,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 01:45:36,465 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 01:45:36,465 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 01:45:36,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 01:45:36,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 01:45:36,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 01:45:36,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 01:45:36,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 01:45:36,894 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 01:45:36,894 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 01:45:36,895 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2024-05-08 01:45:38,001 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 01:45:38,294 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 01:45:38,294 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i [2024-05-08 01:45:38,306 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2e727eec1/ebf0f6ea75e2460baafa19dff1dc8e41/FLAG09afd2502 [2024-05-08 01:45:38,322 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2e727eec1/ebf0f6ea75e2460baafa19dff1dc8e41 [2024-05-08 01:45:38,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 01:45:38,326 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 01:45:38,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 01:45:38,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 01:45:38,333 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 01:45:38,334 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,334 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e0365de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38, skipping insertion in model container [2024-05-08 01:45:38,335 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,379 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 01:45:38,523 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i[995,1008] [2024-05-08 01:45:38,727 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 01:45:38,736 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 01:45:38,745 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe000_power.oepc.i[995,1008] [2024-05-08 01:45:38,774 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 01:45:38,793 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 01:45:38,794 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-08 01:45:38,800 INFO L206 MainTranslator]: Completed translation [2024-05-08 01:45:38,800 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38 WrapperNode [2024-05-08 01:45:38,801 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 01:45:38,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 01:45:38,802 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 01:45:38,802 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 01:45:38,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,848 INFO L138 Inliner]: procedures = 176, calls = 84, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 169 [2024-05-08 01:45:38,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 01:45:38,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 01:45:38,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 01:45:38,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 01:45:38,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,855 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,859 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,884 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,886 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 01:45:38,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 01:45:38,891 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 01:45:38,891 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 01:45:38,892 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (1/1) ... [2024-05-08 01:45:38,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 01:45:38,923 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 01:45:38,946 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) [2024-05-08 01:45:38,949 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 [2024-05-08 01:45:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-08 01:45:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 01:45:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-08 01:45:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 01:45:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 01:45:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 01:45:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-08 01:45:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-08 01:45:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-08 01:45:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-08 01:45:39,039 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-08 01:45:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-08 01:45:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 01:45:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-08 01:45:39,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 01:45:39,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 01:45:39,041 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 01:45:39,167 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 01:45:39,169 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 01:45:39,578 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 01:45:39,773 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 01:45:39,773 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-08 01:45:39,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 01:45:39 BoogieIcfgContainer [2024-05-08 01:45:39,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 01:45:39,776 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 01:45:39,777 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 01:45:39,779 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 01:45:39,779 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 01:45:38" (1/3) ... [2024-05-08 01:45:39,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109603ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 01:45:39, skipping insertion in model container [2024-05-08 01:45:39,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 01:45:38" (2/3) ... [2024-05-08 01:45:39,780 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@109603ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 01:45:39, skipping insertion in model container [2024-05-08 01:45:39,780 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 01:45:39" (3/3) ... [2024-05-08 01:45:39,781 INFO L112 eAbstractionObserver]: Analyzing ICFG safe000_power.oepc.i [2024-05-08 01:45:39,789 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 01:45:39,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 01:45:39,797 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 01:45:39,797 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 01:45:39,849 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-08 01:45:39,881 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 01:45:39,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 01:45:39,882 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 01:45:39,884 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) [2024-05-08 01:45:39,885 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 [2024-05-08 01:45:39,910 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 01:45:39,920 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 01:45:39,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 01:45:39,927 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;@73618fbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 01:45:39,927 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-08 01:45:39,975 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)] === [2024-05-08 01:45:39,976 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 01:45:39,976 INFO L85 PathProgramCache]: Analyzing trace with hash 1011156731, now seen corresponding path program 1 times [2024-05-08 01:45:39,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 01:45:39,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324323962] [2024-05-08 01:45:39,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 01:45:39,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 01:45:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 01:45:40,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 01:45:40,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 01:45:40,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324323962] [2024-05-08 01:45:40,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324323962] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 01:45:40,348 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 01:45:40,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-08 01:45:40,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492051970] [2024-05-08 01:45:40,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 01:45:40,354 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-08 01:45:40,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 01:45:40,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-08 01:45:40,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-08 01:45:40,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 01:45:40,396 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 01:45:40,397 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 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) [2024-05-08 01:45:40,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 01:45:40,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 01:45:40,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-08 01:45:40,471 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)] === [2024-05-08 01:45:40,472 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 01:45:40,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1217659175, now seen corresponding path program 1 times [2024-05-08 01:45:40,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 01:45:40,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076587432] [2024-05-08 01:45:40,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 01:45:40,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 01:45:40,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 01:45:41,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 01:45:41,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 01:45:41,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076587432] [2024-05-08 01:45:41,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076587432] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 01:45:41,153 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 01:45:41,153 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-08 01:45:41,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712558873] [2024-05-08 01:45:41,154 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 01:45:41,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-08 01:45:41,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 01:45:41,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-08 01:45:41,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-05-08 01:45:41,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 01:45:41,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 01:45:41,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 14.571428571428571) internal successors, (102), 7 states have internal predecessors, (102), 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) [2024-05-08 01:45:41,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 01:45:41,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 01:57:25,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-05-08 01:57:25,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-05-08 01:57:25,533 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-05-08 01:57:25,540 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-05-08 01:57:26,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1933977153, now seen corresponding path program 1 times [2024-05-08 01:57:26,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 01:57:26,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 01:57:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 01:57:27,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 01:57:27,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 01:57:27,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 01:57:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 01:57:27,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 01:57:27,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-08 01:57:27,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-05-08 01:58:56,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-05-08 01:58:56,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1323087046, now seen corresponding path program 1 times [2024-05-08 01:58:56,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 01:58:56,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 01:58:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 01:58:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 01:58:56,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 01:58:56,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 01:58:56,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 01:58:56,439 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 01:58:56,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-08 01:58:56,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=208, Unknown=0, NotChecked=0, Total=272 Received shutdown request... [2024-05-08 01:59:44,683 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 [2024-05-08 01:59:44,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable5 [2024-05-08 01:59:44,683 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 [2024-05-08 01:59:44,692 WARN L619 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∨-4-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-23-7-4-9-4-9-4-8-4-7-4-5-4-3-2-2-2-2-2-1 context. [2024-05-08 01:59:44,694 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-08 01:59:44,694 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-08 01:59:44,695 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-08 01:59:44,695 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-08 01:59:44,698 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-08 01:59:44,699 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) [2024-05-08 01:59:44,723 INFO L158 Benchmark]: Toolchain (without parser) took 846397.42ms. Allocated memory was 222.3MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 190.6MB in the beginning and 1.1GB in the end (delta: -919.5MB). Peak memory consumption was 789.9MB. Max. memory is 8.0GB. [2024-05-08 01:59:44,723 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 01:59:44,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.51ms. Allocated memory is still 222.3MB. Free memory was 190.6MB in the beginning and 163.8MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2024-05-08 01:59:44,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.52ms. Allocated memory is still 222.3MB. Free memory was 163.8MB in the beginning and 160.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-08 01:59:44,727 INFO L158 Benchmark]: Boogie Preprocessor took 42.40ms. Allocated memory is still 222.3MB. Free memory was 160.7MB in the beginning and 158.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-08 01:59:44,727 INFO L158 Benchmark]: RCFGBuilder took 883.51ms. Allocated memory is still 222.3MB. Free memory was 158.0MB in the beginning and 93.5MB in the end (delta: 64.5MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. [2024-05-08 01:59:44,728 INFO L158 Benchmark]: TraceAbstraction took 844946.05ms. Allocated memory was 222.3MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 91.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 692.9MB. Max. memory is 8.0GB. [2024-05-08 01:59:44,729 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 162.5MB. Free memory is still 130.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 472.51ms. Allocated memory is still 222.3MB. Free memory was 190.6MB in the beginning and 163.8MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.52ms. Allocated memory is still 222.3MB. Free memory was 163.8MB in the beginning and 160.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.40ms. Allocated memory is still 222.3MB. Free memory was 160.7MB in the beginning and 158.0MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 883.51ms. Allocated memory is still 222.3MB. Free memory was 158.0MB in the beginning and 93.5MB in the end (delta: 64.5MB). Peak memory consumption was 64.0MB. Max. memory is 8.0GB. * TraceAbstraction took 844946.05ms. Allocated memory was 222.3MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 91.9MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 692.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1044, independent: 1035, independent conditional: 823, independent unconditional: 212, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1039, independent: 1035, independent conditional: 823, independent unconditional: 212, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1039, independent: 1035, independent conditional: 823, independent unconditional: 212, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1039, independent: 1035, independent conditional: 823, independent unconditional: 212, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1044, independent: 1035, independent conditional: 355, independent unconditional: 680, dependent: 9, dependent conditional: 8, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1044, independent: 1035, independent conditional: 85, independent unconditional: 950, dependent: 9, dependent conditional: 8, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1044, independent: 1035, independent conditional: 85, independent unconditional: 950, dependent: 9, dependent conditional: 8, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 160, independent: 157, independent conditional: 18, independent unconditional: 139, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 160, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 43, independent conditional: 43, independent unconditional: 0, dependent: 155, dependent conditional: 137, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1044, independent: 878, independent conditional: 67, independent unconditional: 811, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 160, unknown conditional: 20, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 157, Positive conditional cache size: 18, Positive unconditional cache size: 139, Negative cache size: 3, Negative conditional cache size: 2, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 270, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1044, independent: 1035, independent conditional: 355, independent unconditional: 680, dependent: 9, dependent conditional: 8, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1044, independent: 1035, independent conditional: 85, independent unconditional: 950, dependent: 9, dependent conditional: 8, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1044, independent: 1035, independent conditional: 85, independent unconditional: 950, dependent: 9, dependent conditional: 8, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 160, independent: 157, independent conditional: 18, independent unconditional: 139, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 160, independent: 156, independent conditional: 0, independent unconditional: 156, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 198, independent: 43, independent conditional: 43, independent unconditional: 0, dependent: 155, dependent conditional: 137, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1044, independent: 878, independent conditional: 67, independent unconditional: 811, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 160, unknown conditional: 20, unknown unconditional: 140] , Statistics on independence cache: Total cache size (in pairs): 160, Positive cache size: 157, Positive conditional cache size: 18, Positive unconditional cache size: 139, Negative cache size: 3, Negative conditional cache size: 2, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 270 ], Independence queries for same thread: 5 - 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