/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 20:56:26,498 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 20:56:26,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 20:56:26,537 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 20:56:26,537 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 20:56:26,551 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 20:56:26,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 20:56:26,551 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 20:56:26,552 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 20:56:26,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 20:56:26,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 20:56:26,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 20:56:26,553 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 20:56:26,553 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 20:56:26,553 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 20:56:26,554 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 20:56:26,554 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 20:56:26,554 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 20:56:26,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 20:56:26,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 20:56:26,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 20:56:26,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 20:56:26,555 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 20:56:26,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 20:56:26,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 20:56:26,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 20:56:26,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 20:56:26,557 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 20:56:26,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 20:56:26,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 20:56:26,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 20:56:26,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 20:56:26,558 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 20:56:26,558 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 20:56:26,558 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 20:56:26,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 20:56:26,559 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 20:56:26,559 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 20:56:26,559 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 20:56:26,559 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-04-03 20:56:26,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 20:56:26,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 20:56:26,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 20:56:26,748 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 20:56:26,748 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 20:56:26,749 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c [2024-04-03 20:56:27,786 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 20:56:27,928 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 20:56:27,928 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c [2024-04-03 20:56:27,934 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6b9e9bb84/d7995b7348ef492b96346e6726e2cf74/FLAGbc2720cbf [2024-04-03 20:56:27,947 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6b9e9bb84/d7995b7348ef492b96346e6726e2cf74 [2024-04-03 20:56:27,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 20:56:27,950 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 20:56:27,951 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 20:56:27,951 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 20:56:27,955 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 20:56:27,955 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:56:27" (1/1) ... [2024-04-03 20:56:27,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376c7261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:27, skipping insertion in model container [2024-04-03 20:56:27,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 08:56:27" (1/1) ... [2024-04-03 20:56:27,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 20:56:28,116 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/unroll-5.wvr.c[2644,2657] [2024-04-03 20:56:28,122 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 20:56:28,129 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 20:56:28,151 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/unroll-5.wvr.c[2644,2657] [2024-04-03 20:56:28,154 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 20:56:28,166 INFO L206 MainTranslator]: Completed translation [2024-04-03 20:56:28,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28 WrapperNode [2024-04-03 20:56:28,167 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 20:56:28,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 20:56:28,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 20:56:28,168 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 20:56:28,173 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,180 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,202 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 167 [2024-04-03 20:56:28,202 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 20:56:28,203 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 20:56:28,203 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 20:56:28,203 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 20:56:28,210 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,210 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,213 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,213 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,220 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,224 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 20:56:28,225 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 20:56:28,225 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 20:56:28,225 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 20:56:28,226 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (1/1) ... [2024-04-03 20:56:28,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 20:56:28,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:56:28,269 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-03 20:56:28,277 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-03 20:56:28,309 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 20:56:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-03 20:56:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-03 20:56:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-03 20:56:28,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-03 20:56:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 20:56:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 20:56:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 20:56:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-03 20:56:28,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 20:56:28,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 20:56:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-03 20:56:28,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 20:56:28,312 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 20:56:28,381 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 20:56:28,382 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 20:56:28,595 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 20:56:28,605 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 20:56:28,605 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-03 20:56:28,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:56:28 BoogieIcfgContainer [2024-04-03 20:56:28,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 20:56:28,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 20:56:28,608 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 20:56:28,611 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 20:56:28,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 08:56:27" (1/3) ... [2024-04-03 20:56:28,611 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45131b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:56:28, skipping insertion in model container [2024-04-03 20:56:28,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 08:56:28" (2/3) ... [2024-04-03 20:56:28,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45131b5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 08:56:28, skipping insertion in model container [2024-04-03 20:56:28,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 08:56:28" (3/3) ... [2024-04-03 20:56:28,613 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2024-04-03 20:56:28,619 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 20:56:28,626 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 20:56:28,626 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-03 20:56:28,627 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 20:56:28,743 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-03 20:56:28,787 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 20:56:28,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 20:56:28,787 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:56:28,804 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 20:56:28,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-03 20:56:28,842 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 20:56:28,848 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 20:56:28,853 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;@7dc3531c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 20:56:28,854 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-03 20:56:29,037 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:56:29,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:56:29,042 INFO L85 PathProgramCache]: Analyzing trace with hash -4097251, now seen corresponding path program 1 times [2024-04-03 20:56:29,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:56:29,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233927243] [2024-04-03 20:56:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:56:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:56:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:56:29,250 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-03 20:56:29,251 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:56:29,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233927243] [2024-04-03 20:56:29,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233927243] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 20:56:29,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 20:56:29,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 20:56:29,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685588451] [2024-04-03 20:56:29,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 20:56:29,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 20:56:29,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:56:29,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 20:56:29,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 20:56:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:29,343 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:56:29,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 20:56:29,344 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:29,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:29,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 20:56:29,403 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:56:29,403 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:56:29,403 INFO L85 PathProgramCache]: Analyzing trace with hash 685175136, now seen corresponding path program 1 times [2024-04-03 20:56:29,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:56:29,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990535862] [2024-04-03 20:56:29,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:56:29,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:56:29,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:56:29,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:56:29,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:56:29,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990535862] [2024-04-03 20:56:29,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990535862] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 20:56:29,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 20:56:29,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-03 20:56:29,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10725502] [2024-04-03 20:56:29,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 20:56:29,723 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-03 20:56:29,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:56:29,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-03 20:56:29,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-03 20:56:29,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:29,725 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:56:29,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 18.0) internal successors, (108), 6 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 20:56:29,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:29,726 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:29,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-03 20:56:29,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-03 20:56:29,834 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:56:29,834 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:56:29,834 INFO L85 PathProgramCache]: Analyzing trace with hash -742138288, now seen corresponding path program 1 times [2024-04-03 20:56:29,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:56:29,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526857496] [2024-04-03 20:56:29,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:56:29,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:56:29,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:56:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-03 20:56:30,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:56:30,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526857496] [2024-04-03 20:56:30,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526857496] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 20:56:30,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 20:56:30,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-03 20:56:30,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398016157] [2024-04-03 20:56:30,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 20:56:30,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-03 20:56:30,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:56:30,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-03 20:56:30,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-04-03 20:56:30,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:30,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:56:30,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 21.125) internal successors, (169), 8 states have internal predecessors, (169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 20:56:30,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:30,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-03 20:56:30,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:30,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:30,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-03 20:56:30,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 20:56:30,347 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-03 20:56:30,347 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:56:30,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:56:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash 394769326, now seen corresponding path program 1 times [2024-04-03 20:56:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:56:30,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540932645] [2024-04-03 20:56:30,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:56:30,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:56:30,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:56:35,749 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-03 20:56:35,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:56:35,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540932645] [2024-04-03 20:56:35,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540932645] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:56:35,749 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955199801] [2024-04-03 20:56:35,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:56:35,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:56:35,750 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:56:35,789 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:56:35,789 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-03 20:56:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:56:35,881 INFO L262 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 42 conjunts are in the unsatisfiable core [2024-04-03 20:56:35,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:56:37,290 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 15 treesize of output 7 [2024-04-03 20:56:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:56:37,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 20:56:37,854 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-04-03 20:56:37,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-04-03 20:56:38,729 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 20:56:38,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955199801] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 20:56:38,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 20:56:38,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 20] total 60 [2024-04-03 20:56:38,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371339410] [2024-04-03 20:56:38,730 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 20:56:38,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2024-04-03 20:56:38,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 20:56:38,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2024-04-03 20:56:38,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=3286, Unknown=0, NotChecked=0, Total=3540 [2024-04-03 20:56:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:38,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 20:56:38,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 8.133333333333333) internal successors, (488), 60 states have internal predecessors, (488), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 20:56:38,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:38,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-03 20:56:38,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-03 20:56:38,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:56:42,741 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-03 20:56:45,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-03 20:56:47,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-03 20:57:32,785 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-03 20:57:37,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-03 20:57:54,704 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-03 20:58:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 20:58:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-03 20:58:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 20:58:35,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2024-04-03 20:58:35,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-03 20:58:35,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:58:35,594 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-03 20:58:35,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 20:58:35,595 INFO L85 PathProgramCache]: Analyzing trace with hash -448661127, now seen corresponding path program 2 times [2024-04-03 20:58:35,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 20:58:35,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545947273] [2024-04-03 20:58:35,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 20:58:35,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 20:58:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 20:58:36,448 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 3 proven. 225 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 20:58:36,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 20:58:36,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545947273] [2024-04-03 20:58:36,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545947273] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 20:58:36,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184798904] [2024-04-03 20:58:36,449 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 20:58:36,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 20:58:36,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 20:58:36,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 20:58:36,454 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-03 20:58:36,636 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 20:58:36,636 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 20:58:36,643 INFO L262 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 190 conjunts are in the unsatisfiable core [2024-04-03 20:58:36,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 20:58:37,374 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-03 20:58:37,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-03 20:58:37,911 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-03 20:58:43,740 INFO L349 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2024-04-03 20:58:43,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 67 treesize of output 40 [2024-04-03 20:58:43,972 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 21 proven. 196 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-03 20:58:43,972 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 21:00:25,385 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 21:00:25,385 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 5472 treesize of output 3012 [2024-04-03 21:00:30,242 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 21:00:30,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 13634 treesize of output 11818 [2024-04-03 21:00:35,907 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-03 21:00:35,908 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 34 new quantified variables, introduced 153 case distinctions, treesize of input 3109 treesize of output 2117 [2024-04-03 21:01:18,583 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-03 21:01:19,525 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-03 21:01:28,667 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-03 21:01:29,554 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-03 21:01:32,437 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-04-03 21:01:33,321 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-04-03 21:02:13,942 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-03 21:02:28,994 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-04-03 21:02:33,117 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. [2024-04-03 21:07:34,649 WARN L293 SmtUtils]: Spent 5.02m on a formula simplification. DAG size of input: 4281 DAG size of output: 2231 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-04-03 21:08:40,464 WARN L667 sPolynomialRelations]: Constructing 4096(two to the power of 12 dual juncts. Received shutdown request... [2024-04-03 21:10:58,503 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 21:10:58,503 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 21:10:58,503 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-03 21:10:58,590 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-03 21:10:58,596 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-03 21:10:58,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 21:10:58,797 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 45 xjuncts wrt. a ∧-3475-49-32-6-3-2-2-1 context. [2024-04-03 21:10:58,799 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-03 21:10:58,799 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-03 21:10:58,802 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-04-03 21:10:58,804 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-03 21:10:58,804 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-03 21:10:58,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 09:10:58 BasicIcfg [2024-04-03 21:10:58,806 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-03 21:10:58,806 INFO L158 Benchmark]: Toolchain (without parser) took 870856.54ms. Allocated memory was 274.7MB in the beginning and 1.2GB in the end (delta: 929.0MB). Free memory was 202.2MB in the beginning and 931.2MB in the end (delta: -728.9MB). Peak memory consumption was 851.8MB. Max. memory is 8.0GB. [2024-04-03 21:10:58,806 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 173.0MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-03 21:10:58,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 216.22ms. Allocated memory is still 274.7MB. Free memory was 202.2MB in the beginning and 190.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-03 21:10:58,807 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.94ms. Allocated memory is still 274.7MB. Free memory was 190.1MB in the beginning and 188.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 21:10:58,807 INFO L158 Benchmark]: Boogie Preprocessor took 21.78ms. Allocated memory is still 274.7MB. Free memory was 188.1MB in the beginning and 186.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 21:10:58,807 INFO L158 Benchmark]: RCFGBuilder took 381.44ms. Allocated memory is still 274.7MB. Free memory was 186.5MB in the beginning and 167.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2024-04-03 21:10:58,808 INFO L158 Benchmark]: TraceAbstraction took 870197.86ms. Allocated memory was 274.7MB in the beginning and 1.2GB in the end (delta: 929.0MB). Free memory was 165.5MB in the beginning and 931.2MB in the end (delta: -765.6MB). Peak memory consumption was 815.1MB. Max. memory is 8.0GB. [2024-04-03 21:10:58,808 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 173.0MB. Free memory is still 139.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 216.22ms. Allocated memory is still 274.7MB. Free memory was 202.2MB in the beginning and 190.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.94ms. Allocated memory is still 274.7MB. Free memory was 190.1MB in the beginning and 188.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 21.78ms. Allocated memory is still 274.7MB. Free memory was 188.1MB in the beginning and 186.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 381.44ms. Allocated memory is still 274.7MB. Free memory was 186.5MB in the beginning and 167.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 870197.86ms. Allocated memory was 274.7MB in the beginning and 1.2GB in the end (delta: 929.0MB). Free memory was 165.5MB in the beginning and 931.2MB in the end (delta: -765.6MB). Peak memory consumption was 815.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7332, independent: 5985, independent conditional: 5985, independent unconditional: 0, dependent: 1347, dependent conditional: 1347, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 5985, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 5985, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 5985, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 0, independent unconditional: 5985, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 0, independent unconditional: 5985, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 0, independent unconditional: 5985, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1724, independent: 1724, independent conditional: 0, independent unconditional: 1724, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1724, independent: 1724, independent conditional: 0, independent unconditional: 1724, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5985, independent: 4261, independent conditional: 0, independent unconditional: 4261, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1724, unknown conditional: 0, unknown unconditional: 1724] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 1724, Positive conditional cache size: 0, Positive unconditional cache size: 1724, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 0, independent unconditional: 5985, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 0, independent unconditional: 5985, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5985, independent: 5985, independent conditional: 0, independent unconditional: 5985, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1724, independent: 1724, independent conditional: 0, independent unconditional: 1724, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1724, independent: 1724, independent conditional: 0, independent unconditional: 1724, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5985, independent: 4261, independent conditional: 0, independent unconditional: 4261, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1724, unknown conditional: 0, unknown unconditional: 1724] , Statistics on independence cache: Total cache size (in pairs): 1724, Positive cache size: 1724, Positive conditional cache size: 0, Positive unconditional cache size: 1724, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0 ], Independence queries for same thread: 1347 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 45 xjuncts wrt. a ∧-3475-49-32-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 45 xjuncts wrt. a ∧-3475-49-32-6-3-2-2-1 context. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 334 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-4096-49-1 term,while PolyPacSimplificationTermWalker was simplifying 45 xjuncts wrt. a ∧-3475-49-32-6-3-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 287 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 870.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 117.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 784 NumberOfCodeBlocks, 784 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 968 ConstructedInterpolants, 14 QuantifiedInterpolants, 10573 SizeOfPredicates, 29 NumberOfNonLiveVariables, 353 ConjunctsInSsa, 42 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 21/69 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown