/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 21:41:15,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 21:41:15,770 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 21:41:15,776 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 21:41:15,776 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 21:41:15,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 21:41:15,805 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 21:41:15,805 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 21:41:15,806 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 21:41:15,809 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 21:41:15,809 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 21:41:15,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 21:41:15,809 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 21:41:15,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 21:41:15,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 21:41:15,811 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 21:41:15,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 21:41:15,811 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 21:41:15,811 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 21:41:15,811 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 21:41:15,812 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 21:41:15,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 21:41:15,813 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 21:41:15,813 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 21:41:15,813 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 21:41:15,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 21:41:15,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 21:41:15,814 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 21:41:15,814 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 21:41:15,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 21:41:15,815 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 21:41:15,815 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 21:41:15,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 21:41:15,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 21:41:15,815 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 21:41:15,815 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 21:41:15,816 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 21:41:15,816 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 21:41:15,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 21:41:15,816 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-04 21:41:16,028 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 21:41:16,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 21:41:16,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 21:41:16,050 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 21:41:16,051 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 21:41:16,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-04-04 21:41:17,034 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 21:41:17,208 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 21:41:17,224 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-04-04 21:41:17,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b43f210e4/7a72deb1eb4d48cf827a8e18d260b840/FLAG1df15780e [2024-04-04 21:41:17,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b43f210e4/7a72deb1eb4d48cf827a8e18d260b840 [2024-04-04 21:41:17,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 21:41:17,254 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 21:41:17,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 21:41:17,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 21:41:17,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 21:41:17,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1af46b6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17, skipping insertion in model container [2024-04-04 21:41:17,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,312 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 21:41:17,613 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-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2024-04-04 21:41:17,619 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 21:41:17,627 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 21:41:17,662 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-ext/36_stack_cas_p0_vs_concur.i[30687,30700] [2024-04-04 21:41:17,663 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 21:41:17,702 INFO L206 MainTranslator]: Completed translation [2024-04-04 21:41:17,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17 WrapperNode [2024-04-04 21:41:17,703 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 21:41:17,703 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 21:41:17,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 21:41:17,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 21:41:17,708 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,716 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,730 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-04-04 21:41:17,730 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 21:41:17,731 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 21:41:17,731 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 21:41:17,731 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 21:41:17,736 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,736 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,738 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,741 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,743 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,744 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,745 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,746 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 21:41:17,747 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 21:41:17,747 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 21:41:17,747 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 21:41:17,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (1/1) ... [2024-04-04 21:41:17,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 21:41:17,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:17,779 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 21:41:17,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 21:41:17,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 21:41:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-04-04 21:41:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-04-04 21:41:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 21:41:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 21:41:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 21:41:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 21:41:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 21:41:17,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 21:41:17,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 21:41:17,814 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 21:41:17,922 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 21:41:17,924 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 21:41:18,131 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 21:41:18,195 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 21:41:18,196 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 21:41:18,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 09:41:18 BoogieIcfgContainer [2024-04-04 21:41:18,197 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 21:41:18,199 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 21:41:18,199 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 21:41:18,201 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 21:41:18,201 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 09:41:17" (1/3) ... [2024-04-04 21:41:18,202 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338fce0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 09:41:18, skipping insertion in model container [2024-04-04 21:41:18,202 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 09:41:17" (2/3) ... [2024-04-04 21:41:18,203 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338fce0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 09:41:18, skipping insertion in model container [2024-04-04 21:41:18,203 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 09:41:18" (3/3) ... [2024-04-04 21:41:18,204 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2024-04-04 21:41:18,210 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 21:41:18,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 21:41:18,217 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 21:41:18,217 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 21:41:18,272 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 21:41:18,306 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 21:41:18,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 21:41:18,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:18,310 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 21:41:18,324 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 21:41:18,348 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 21:41:18,355 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:18,356 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 21:41:18,362 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;@11ae0614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 21:41:18,362 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 21:41:18,415 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 21:41:18,418 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:18,418 INFO L85 PathProgramCache]: Analyzing trace with hash -302081931, now seen corresponding path program 1 times [2024-04-04 21:41:18,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:18,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274610388] [2024-04-04 21:41:18,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:18,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:18,671 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:18,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:18,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274610388] [2024-04-04 21:41:18,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274610388] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:41:18,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:41:18,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 21:41:18,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473290114] [2024-04-04 21:41:18,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:41:18,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 21:41:18,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:18,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 21:41:18,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 21:41:18,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:18,748 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:18,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.0) internal successors, (48), 2 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:18,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:18,772 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 21:41:18,773 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 21:41:18,773 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:18,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1981811242, now seen corresponding path program 1 times [2024-04-04 21:41:18,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:18,773 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724302916] [2024-04-04 21:41:18,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:18,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:19,065 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:19,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:19,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724302916] [2024-04-04 21:41:19,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724302916] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:41:19,066 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:41:19,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 21:41:19,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322556423] [2024-04-04 21:41:19,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:41:19,068 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 21:41:19,068 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:19,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 21:41:19,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 21:41:19,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:19,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:19,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:19,137 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 21:41:19,138 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-04-04 21:41:19,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:19,144 INFO L85 PathProgramCache]: Analyzing trace with hash 1048898989, now seen corresponding path program 1 times [2024-04-04 21:41:19,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:19,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954876540] [2024-04-04 21:41:19,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:19,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 21:41:19,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 21:41:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 21:41:19,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 21:41:19,217 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 21:41:19,218 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-04-04 21:41:19,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-04-04 21:41:19,219 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-04-04 21:41:19,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 21:41:19,226 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-04-04 21:41:19,227 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 21:41:19,227 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-04-04 21:41:19,256 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 21:41:19,263 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 21:41:19,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 21:41:19,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:19,297 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 21:41:19,298 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2024-04-04 21:41:19,300 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 21:41:19,300 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:19,300 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 21:41:19,300 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;@11ae0614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 21:41:19,301 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 21:41:19,328 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 21:41:19,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:19,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1266153497, now seen corresponding path program 1 times [2024-04-04 21:41:19,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:19,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542392007] [2024-04-04 21:41:19,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:19,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:19,356 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:19,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:19,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542392007] [2024-04-04 21:41:19,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542392007] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:41:19,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:41:19,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 21:41:19,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139326349] [2024-04-04 21:41:19,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:41:19,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 21:41:19,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:19,399 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 21:41:19,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 21:41:19,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,400 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:19,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:19,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 21:41:19,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 21:41:19,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:19,413 INFO L85 PathProgramCache]: Analyzing trace with hash -601908963, now seen corresponding path program 1 times [2024-04-04 21:41:19,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:19,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [454546655] [2024-04-04 21:41:19,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:19,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:19,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:19,527 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 21:41:19,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:19,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [454546655] [2024-04-04 21:41:19,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [454546655] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:41:19,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:41:19,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 21:41:19,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699396570] [2024-04-04 21:41:19,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:41:19,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 21:41:19,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:19,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 21:41:19,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 21:41:19,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,532 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:19,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 5 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:19,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:19,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:19,586 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 21:41:19,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 21:41:19,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:19,587 INFO L85 PathProgramCache]: Analyzing trace with hash 1367382447, now seen corresponding path program 1 times [2024-04-04 21:41:19,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:19,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439468262] [2024-04-04 21:41:19,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:19,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:19,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:20,215 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:20,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:20,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439468262] [2024-04-04 21:41:20,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439468262] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:41:20,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801059127] [2024-04-04 21:41:20,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:20,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:20,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:20,218 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:41:20,232 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 21:41:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:20,334 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 21:41:20,343 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:41:20,396 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-04 21:41:20,513 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 21:41:20,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-04-04 21:41:20,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:41:20,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 21:41:20,838 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-04-04 21:41:20,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 25 [2024-04-04 21:41:20,983 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:20,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:41:21,387 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:21,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:41:21,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:21,399 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:41:21,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:21,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 6278 treesize of output 6226 [2024-04-04 21:41:21,710 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1569 treesize of output 1553 [2024-04-04 21:41:21,746 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1473 treesize of output 1409 [2024-04-04 21:41:21,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1369 treesize of output 1305 [2024-04-04 21:41:22,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 17 [2024-04-04 21:41:22,384 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:22,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801059127] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:41:22,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:41:22,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-04-04 21:41:22,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027539206] [2024-04-04 21:41:22,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:41:22,387 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 21:41:22,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:22,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 21:41:22,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=861, Unknown=14, NotChecked=0, Total=992 [2024-04-04 21:41:22,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:22,404 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:22,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.6875) internal successors, (150), 32 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:22,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:22,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:22,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:23,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:23,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:23,022 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 21:41:23,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:23,204 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 21:41:23,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:23,204 INFO L85 PathProgramCache]: Analyzing trace with hash 72255999, now seen corresponding path program 1 times [2024-04-04 21:41:23,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:23,205 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306083529] [2024-04-04 21:41:23,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:23,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:23,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:23,373 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:23,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:23,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306083529] [2024-04-04 21:41:23,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306083529] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:41:23,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988328872] [2024-04-04 21:41:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:23,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:23,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:23,375 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:41:23,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 21:41:23,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:23,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-04 21:41:23,474 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:41:23,534 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 11 treesize of output 7 [2024-04-04 21:41:23,545 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:23,545 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:41:23,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:23,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:41:23,566 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:23,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:41:23,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-04-04 21:41:23,585 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 21 treesize of output 13 [2024-04-04 21:41:23,684 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:23,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:41:23,780 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:23,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988328872] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:41:23,780 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:41:23,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-04-04 21:41:23,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998397] [2024-04-04 21:41:23,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:41:23,782 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 21:41:23,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:23,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 21:41:23,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-04-04 21:41:23,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:23,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:23,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 18.181818181818183) internal successors, (200), 11 states have internal predecessors, (200), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:23,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:23,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 21:41:23,891 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 21:41:24,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:24,080 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-04-04 21:41:24,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:24,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1402942486, now seen corresponding path program 1 times [2024-04-04 21:41:24,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:24,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [293896832] [2024-04-04 21:41:24,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:24,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:24,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 21:41:24,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 21:41:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 21:41:24,140 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 21:41:24,140 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 21:41:24,140 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-04-04 21:41:24,140 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-04-04 21:41:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-04-04 21:41:24,141 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-04-04 21:41:24,141 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-04 21:41:24,141 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-04-04 21:41:24,142 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 21:41:24,142 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-04-04 21:41:24,165 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 21:41:24,167 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 21:41:24,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 21:41:24,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:24,168 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 21:41:24,172 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 21:41:24,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:24,172 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 21:41:24,172 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;@11ae0614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 21:41:24,172 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 21:41:24,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:41:24,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:24,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1941718777, now seen corresponding path program 1 times [2024-04-04 21:41:24,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:24,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443851326] [2024-04-04 21:41:24,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:24,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:24,183 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-04-04 21:41:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:24,198 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:24,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:24,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443851326] [2024-04-04 21:41:24,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [443851326] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:41:24,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:41:24,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 21:41:24,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722128212] [2024-04-04 21:41:24,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:41:24,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 21:41:24,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:24,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 21:41:24,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 21:41:24,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:24,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:24,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:24,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:24,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:24,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-04-04 21:41:24,234 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:41:24,234 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:24,234 INFO L85 PathProgramCache]: Analyzing trace with hash 471769321, now seen corresponding path program 1 times [2024-04-04 21:41:24,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:24,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199461961] [2024-04-04 21:41:24,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:24,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-04 21:41:24,325 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:24,325 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199461961] [2024-04-04 21:41:24,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199461961] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:41:24,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:41:24,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 21:41:24,325 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29255547] [2024-04-04 21:41:24,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:41:24,325 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 21:41:24,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:24,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 21:41:24,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 21:41:24,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:24,330 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:24,330 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:24,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:24,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:24,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:24,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:24,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-04 21:41:24,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:41:24,359 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:24,359 INFO L85 PathProgramCache]: Analyzing trace with hash 995868334, now seen corresponding path program 1 times [2024-04-04 21:41:24,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:24,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811981135] [2024-04-04 21:41:24,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:24,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:24,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:24,829 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:24,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:24,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811981135] [2024-04-04 21:41:24,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811981135] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:41:24,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1891499423] [2024-04-04 21:41:24,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:24,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:24,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:24,879 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:41:24,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 21:41:24,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:24,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 21:41:24,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:41:25,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-04 21:41:25,068 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 21:41:25,068 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-04-04 21:41:25,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:41:25,163 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 21:41:25,311 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-04-04 21:41:25,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 25 [2024-04-04 21:41:25,403 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:25,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:41:25,621 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_369 (Array Int Int)) (|thr1Thread1of3ForFork0_push_~#ret~0#1.base| Int) (|~#top~0.base| Int)) (not (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_369))) (store .cse1 |~#top~0.base| (store (select .cse1 |~#top~0.base|) |c_~#top~0.offset| (select (select .cse1 |c_thr1Thread1of3ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of3ForFork0_push_~#newTop~0#1.offset|)))))) (store .cse0 |thr1Thread1of3ForFork0_push_~#ret~0#1.base| (store (select .cse0 |thr1Thread1of3ForFork0_push_~#ret~0#1.base|) |c_thr1Thread1of3ForFork0_push_~#ret~0#1.offset| 1))) |~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-04-04 21:41:25,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:25,659 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:41:25,669 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:25,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:41:25,736 INFO L349 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2024-04-04 21:41:25,737 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1015 treesize of output 996 [2024-04-04 21:41:25,756 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 357 treesize of output 341 [2024-04-04 21:41:25,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-04-04 21:41:25,885 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:25,886 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 950 treesize of output 924 [2024-04-04 21:41:25,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 293 treesize of output 277 [2024-04-04 21:41:25,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 17 [2024-04-04 21:41:26,155 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-04-04 21:41:26,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1891499423] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:41:26,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:41:26,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-04-04 21:41:26,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1327394668] [2024-04-04 21:41:26,156 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:41:26,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 21:41:26,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:26,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 21:41:26,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=816, Unknown=3, NotChecked=58, Total=992 [2024-04-04 21:41:26,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:26,164 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:26,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.6875) internal successors, (150), 32 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:26,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:26,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:26,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:26,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:26,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 21:41:26,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:26,936 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:41:26,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:26,936 INFO L85 PathProgramCache]: Analyzing trace with hash -3634373, now seen corresponding path program 1 times [2024-04-04 21:41:26,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:26,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [42130385] [2024-04-04 21:41:26,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:26,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:26,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 21:41:27,146 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:27,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [42130385] [2024-04-04 21:41:27,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [42130385] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:41:27,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287758769] [2024-04-04 21:41:27,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:27,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:27,147 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:27,148 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:41:27,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 21:41:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:27,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-04 21:41:27,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:41:27,365 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 11 treesize of output 7 [2024-04-04 21:41:27,378 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 21:41:27,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:41:27,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:27,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:41:27,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:27,404 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:41:27,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-04-04 21:41:27,421 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 21 treesize of output 13 [2024-04-04 21:41:27,506 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:27,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:41:27,565 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 21:41:27,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287758769] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:41:27,565 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:41:27,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-04-04 21:41:27,566 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080908865] [2024-04-04 21:41:27,566 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:41:27,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 21:41:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:27,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 21:41:27,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-04-04 21:41:27,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:27,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:27,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 21.272727272727273) internal successors, (234), 11 states have internal predecessors, (234), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:27,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:27,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:27,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:27,581 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:27,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:41:27,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 21:41:27,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-04 21:41:27,932 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:41:27,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:27,933 INFO L85 PathProgramCache]: Analyzing trace with hash -730832999, now seen corresponding path program 1 times [2024-04-04 21:41:27,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:27,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675970653] [2024-04-04 21:41:27,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:27,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:28,109 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:28,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:28,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675970653] [2024-04-04 21:41:28,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1675970653] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:41:28,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1697790562] [2024-04-04 21:41:28,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:28,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:28,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:28,111 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:41:28,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 21:41:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:28,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 21:41:28,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:41:28,335 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 [2024-04-04 21:41:28,342 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 [2024-04-04 21:41:28,349 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:28,350 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:41:28,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:28,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:41:28,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 13 treesize of output 1 [2024-04-04 21:41:28,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 17 [2024-04-04 21:41:28,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-04-04 21:41:28,425 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 19 treesize of output 11 [2024-04-04 21:41:28,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:28,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:41:28,584 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:28,585 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:41:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:28,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1697790562] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:41:28,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:41:28,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-04-04 21:41:28,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418057538] [2024-04-04 21:41:28,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:41:28,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 21:41:28,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:41:28,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 21:41:28,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-04-04 21:41:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:28,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:41:28,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 15.714285714285714) internal successors, (220), 14 states have internal predecessors, (220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:41:28,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:28,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:28,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:28,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:41:28,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:41:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:41:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:41:28,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:41:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 21:41:28,795 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 21:41:28,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:28,993 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:41:28,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:41:28,994 INFO L85 PathProgramCache]: Analyzing trace with hash -239207699, now seen corresponding path program 1 times [2024-04-04 21:41:28,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:41:28,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [378927104] [2024-04-04 21:41:28,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:28,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:41:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:30,084 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:30,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:41:30,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [378927104] [2024-04-04 21:41:30,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [378927104] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:41:30,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953419484] [2024-04-04 21:41:30,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:41:30,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:41:30,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:41:30,086 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:41:30,104 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 21:41:30,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:41:30,242 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-04 21:41:30,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:41:30,259 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-04 21:41:30,314 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 21:41:30,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-04 21:41:30,333 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 21:41:30,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-04 21:41:30,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:41:30,403 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2024-04-04 21:41:30,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-04-04 21:41:30,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-04-04 21:41:30,761 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 21:41:30,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-04-04 21:41:30,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:41:30,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 21:41:31,035 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-04-04 21:41:31,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 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 23 treesize of output 15 [2024-04-04 21:41:31,360 INFO L349 Elim1Store]: treesize reduction 42, result has 35.4 percent of original size [2024-04-04 21:41:31,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 34 [2024-04-04 21:41:31,481 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:31,481 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 32 treesize of output 24 [2024-04-04 21:41:31,485 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:41:31,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:41:32,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:32,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:41:32,676 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:32,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:41:38,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:38,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 30987447 treesize of output 30337827 [2024-04-04 21:41:44,169 WARN L293 SmtUtils]: Spent 5.74s on a formula simplification. DAG size of input: 7360 DAG size of output: 1654 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-04-04 21:41:44,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 42970 treesize of output 41946 [2024-04-04 21:41:45,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 41274 treesize of output 40250 [2024-04-04 21:41:48,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 37018 treesize of output 36762 [2024-04-04 21:41:48,848 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:48,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 36122 treesize of output 35617 [2024-04-04 21:41:49,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35448 treesize of output 35192 [2024-04-04 21:41:50,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 35616 treesize of output 35360 [2024-04-04 21:41:51,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34592 treesize of output 34528 [2024-04-04 21:41:52,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:41:52,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 34368 treesize of output 34247 [2024-04-04 21:42:07,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 24 [2024-04-04 21:42:08,599 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:08,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:08,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:08,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:08,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 98 treesize of output 84 [2024-04-04 21:42:08,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-04-04 21:42:08,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-04-04 21:42:08,676 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 69 treesize of output 61 [2024-04-04 21:42:09,354 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:09,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953419484] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:42:09,354 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:42:09,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 23] total 63 [2024-04-04 21:42:09,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626808162] [2024-04-04 21:42:09,355 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:42:09,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-04 21:42:09,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:09,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-04 21:42:09,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=369, Invalid=3520, Unknown=17, NotChecked=0, Total=3906 [2024-04-04 21:42:09,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:09,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:09,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 5.111111111111111) internal successors, (322), 63 states have internal predecessors, (322), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:09,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:09,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:09,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:09,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:09,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 21:42:09,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 21:42:11,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 21:42:11,758 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 21:42:11,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-04 21:42:11,958 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:42:11,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:11,959 INFO L85 PathProgramCache]: Analyzing trace with hash 1616846464, now seen corresponding path program 1 times [2024-04-04 21:42:11,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:11,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456339079] [2024-04-04 21:42:11,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:11,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:12,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:12,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456339079] [2024-04-04 21:42:12,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456339079] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:42:12,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349533034] [2024-04-04 21:42:12,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:12,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:12,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:12,224 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:42:12,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 21:42:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:12,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 21:42:12,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:42:12,550 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 11 treesize of output 7 [2024-04-04 21:42:12,569 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:12,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:42:12,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:12,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:12,609 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:12,609 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:12,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 29 treesize of output 17 [2024-04-04 21:42:12,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-04-04 21:42:12,634 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 20 treesize of output 12 [2024-04-04 21:42:12,739 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:12,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:12,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:12,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:12,950 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:12,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:13,013 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:13,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349533034] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:42:13,014 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:42:13,014 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-04-04 21:42:13,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616924074] [2024-04-04 21:42:13,014 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:42:13,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-04 21:42:13,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:13,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-04 21:42:13,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-04-04 21:42:13,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,037 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:13,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 18.235294117647058) internal successors, (310), 17 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:13,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:13,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:13,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:13,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 21:42:13,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 21:42:13,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 21:42:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 21:42:13,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 21:42:13,174 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 21:42:13,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-04-04 21:42:13,374 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-04-04 21:42:13,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:13,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1868410036, now seen corresponding path program 1 times [2024-04-04 21:42:13,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:13,375 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431723030] [2024-04-04 21:42:13,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:13,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 21:42:13,407 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 21:42:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 21:42:13,446 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 21:42:13,446 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 21:42:13,446 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-04-04 21:42:13,447 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-04-04 21:42:13,447 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-04-04 21:42:13,447 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-04-04 21:42:13,447 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-04 21:42:13,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-04-04 21:42:13,448 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 21:42:13,448 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 21:42:13,448 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-04-04 21:42:13,470 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 21:42:13,472 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 21:42:13,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 21:42:13,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:13,473 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 21:42:13,479 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Waiting until timeout for monitored process [2024-04-04 21:42:13,480 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 21:42:13,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:13,480 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 21:42:13,480 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;@11ae0614, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-04 21:42:13,480 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 21:42:13,495 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:13,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:13,495 INFO L85 PathProgramCache]: Analyzing trace with hash -1607898375, now seen corresponding path program 1 times [2024-04-04 21:42:13,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:13,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015110732] [2024-04-04 21:42:13,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:13,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:13,511 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:13,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:13,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015110732] [2024-04-04 21:42:13,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015110732] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:42:13,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:42:13,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 21:42:13,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [97961146] [2024-04-04 21:42:13,512 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:42:13,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 21:42:13,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:13,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 21:42:13,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 21:42:13,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:13,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:13,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-04-04 21:42:13,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:13,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:13,557 INFO L85 PathProgramCache]: Analyzing trace with hash 2099292123, now seen corresponding path program 1 times [2024-04-04 21:42:13,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:13,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084924658] [2024-04-04 21:42:13,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:13,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:13,644 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-04-04 21:42:13,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:13,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084924658] [2024-04-04 21:42:13,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084924658] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 21:42:13,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 21:42:13,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 21:42:13,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789619074] [2024-04-04 21:42:13,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 21:42:13,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 21:42:13,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:13,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 21:42:13,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 21:42:13,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:13,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 19.0) internal successors, (95), 5 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:13,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:13,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:13,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-04-04 21:42:13,680 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:13,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:13,680 INFO L85 PathProgramCache]: Analyzing trace with hash -4260850, now seen corresponding path program 1 times [2024-04-04 21:42:13,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:13,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714956566] [2024-04-04 21:42:13,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:13,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:14,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:14,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [714956566] [2024-04-04 21:42:14,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [714956566] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:42:14,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119349697] [2024-04-04 21:42:14,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:14,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:14,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:14,032 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:42:14,062 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 21:42:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:14,183 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 21:42:14,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:42:14,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-04 21:42:14,243 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 21:42:14,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11 treesize of output 11 [2024-04-04 21:42:14,265 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:42:14,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 21:42:14,516 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-04-04 21:42:14,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 25 [2024-04-04 21:42:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:14,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:42:14,841 WARN L854 $PredicateComparison]: unable to prove that (forall ((|thr1Thread1of4ForFork0_push_~#ret~0#1.base| Int) (v_ArrVal_1034 (Array Int Int)) (|~#top~0.base| Int)) (not (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_1034))) (store .cse1 |~#top~0.base| (store (select .cse1 |~#top~0.base|) |c_~#top~0.offset| (select (select .cse1 |c_thr1Thread1of4ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of4ForFork0_push_~#newTop~0#1.offset|)))))) (store .cse0 |thr1Thread1of4ForFork0_push_~#ret~0#1.base| (store (select .cse0 |thr1Thread1of4ForFork0_push_~#ret~0#1.base|) |c_thr1Thread1of4ForFork0_push_~#ret~0#1.offset| 1))) |~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-04-04 21:42:14,873 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:14,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:14,883 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:14,883 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:14,955 INFO L349 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2024-04-04 21:42:14,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 859 treesize of output 846 [2024-04-04 21:42:14,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 357 treesize of output 341 [2024-04-04 21:42:15,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-04-04 21:42:15,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 12 [2024-04-04 21:42:15,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-04-04 21:42:15,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:15,081 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 1130 treesize of output 1074 [2024-04-04 21:42:15,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 293 treesize of output 277 [2024-04-04 21:42:15,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 21 treesize of output 17 [2024-04-04 21:42:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-04-04 21:42:15,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119349697] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:42:15,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:42:15,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-04-04 21:42:15,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [682946143] [2024-04-04 21:42:15,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:42:15,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 21:42:15,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:15,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 21:42:15,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=4, NotChecked=58, Total=992 [2024-04-04 21:42:15,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:15,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:15,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 4.6875) internal successors, (150), 32 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:15,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:15,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:15,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:15,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:15,919 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 21:42:16,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:16,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:16,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:16,120 INFO L85 PathProgramCache]: Analyzing trace with hash 725840073, now seen corresponding path program 1 times [2024-04-04 21:42:16,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:16,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127790060] [2024-04-04 21:42:16,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:16,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:16,264 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-04 21:42:16,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:16,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127790060] [2024-04-04 21:42:16,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127790060] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:42:16,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031994327] [2024-04-04 21:42:16,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:16,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:16,265 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:16,266 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:42:16,268 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 21:42:16,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:16,456 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-04 21:42:16,458 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:42:16,509 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 11 treesize of output 7 [2024-04-04 21:42:16,524 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-04 21:42:16,524 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:42:16,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:16,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:16,542 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:16,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:16,557 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 4 [2024-04-04 21:42:16,559 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 21 treesize of output 13 [2024-04-04 21:42:16,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:16,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:16,714 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-04-04 21:42:16,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031994327] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:42:16,714 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:42:16,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-04-04 21:42:16,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150564607] [2024-04-04 21:42:16,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:42:16,716 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 21:42:16,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:16,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 21:42:16,724 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-04-04 21:42:16,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:16,724 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:16,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.7) internal successors, (207), 10 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:16,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:16,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:16,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:16,860 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-04-04 21:42:17,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:17,061 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:17,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:17,061 INFO L85 PathProgramCache]: Analyzing trace with hash -34802855, now seen corresponding path program 1 times [2024-04-04 21:42:17,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:17,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466916156] [2024-04-04 21:42:17,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:17,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:17,242 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:17,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466916156] [2024-04-04 21:42:17,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466916156] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:42:17,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1273159220] [2024-04-04 21:42:17,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:17,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:17,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:17,244 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:42:17,264 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 21:42:17,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:17,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 21:42:17,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:42:17,518 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 11 treesize of output 7 [2024-04-04 21:42:17,535 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:17,535 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:42:17,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:17,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:17,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:17,570 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:17,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-04-04 21:42:17,589 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 20 treesize of output 12 [2024-04-04 21:42:17,646 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:17,646 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:17,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:17,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:17,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1273159220] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:42:17,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:42:17,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-04-04 21:42:17,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104678162] [2024-04-04 21:42:17,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:42:17,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-04 21:42:17,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:17,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-04 21:42:17,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-04-04 21:42:17,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:17,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:17,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 16.133333333333333) internal successors, (242), 15 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:17,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:17,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:17,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:17,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:17,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:17,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 21:42:17,971 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-04-04 21:42:18,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:18,172 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:18,173 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:18,173 INFO L85 PathProgramCache]: Analyzing trace with hash 2000002189, now seen corresponding path program 1 times [2024-04-04 21:42:18,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:18,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512618479] [2024-04-04 21:42:18,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:18,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:18,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:19,207 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:19,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:19,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512618479] [2024-04-04 21:42:19,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512618479] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:42:19,208 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1495489877] [2024-04-04 21:42:19,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:19,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:19,208 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:19,209 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:42:19,211 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 21:42:19,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:19,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-04 21:42:19,394 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:42:19,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-04 21:42:19,458 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 21:42:19,458 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-04 21:42:19,473 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 21:42:19,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-04 21:42:19,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:42:19,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 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 [2024-04-04 21:42:19,736 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-04-04 21:42:19,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-04-04 21:42:19,856 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-04 21:42:19,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-04-04 21:42:19,906 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-04-04 21:42:19,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 24 treesize of output 28 [2024-04-04 21:42:19,953 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:42:20,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 21:42:20,397 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-04-04 21:42:20,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 18 [2024-04-04 21:42:20,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 21:42:20,670 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-04 21:42:20,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 29 [2024-04-04 21:42:20,915 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:20,916 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 54 treesize of output 98 [2024-04-04 21:42:20,965 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:20,965 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:42:21,082 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse2 (= (select .cse1 |c_~#top~0.offset|) |c_thr1Thread2of4ForFork0_push_~oldTop~0#1|))) (and (or (not (= (select (select (let ((.cse0 (store |c_#memory_int| |c_~#top~0.base| (store .cse1 |c_~#top~0.offset| (select (select |c_#memory_int| |c_thr1Thread2of4ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread2of4ForFork0_push_~#newTop~0#1.offset|))))) (store .cse0 |c_thr1Thread2of4ForFork0_push_~#ret~0#1.base| (store (select .cse0 |c_thr1Thread2of4ForFork0_push_~#ret~0#1.base|) |c_thr1Thread2of4ForFork0_push_~#ret~0#1.offset| 1))) |c_~#top~0.base|) |c_~#top~0.offset|) 0)) (not .cse2)) (or (forall ((v_DerPreprocessor_13 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_thr1Thread2of4ForFork0_push_~#ret~0#1.base| v_DerPreprocessor_13) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse2)))) is different from false [2024-04-04 21:42:21,282 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#top~0.base| Int) (v_DerPreprocessor_14 (Array Int Int))) (not (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |c_thr1Thread1of4ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_14))) (store .cse1 |~#top~0.base| (store (select .cse1 |~#top~0.base|) |c_~#top~0.offset| (select (select .cse1 |c_thr1Thread2of4ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread2of4ForFork0_push_~#newTop~0#1.offset|)))))) (store .cse0 |c_thr1Thread2of4ForFork0_push_~#ret~0#1.base| (store (select .cse0 |c_thr1Thread2of4ForFork0_push_~#ret~0#1.base|) |c_thr1Thread2of4ForFork0_push_~#ret~0#1.offset| 1))) |~#top~0.base|) |c_~#top~0.offset|) 0))) is different from false [2024-04-04 21:42:21,592 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:21,592 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:21,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:21,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:22,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:22,039 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 391318 treesize of output 388844 [2024-04-04 21:42:23,144 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12149 treesize of output 11637 [2024-04-04 21:42:23,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11477 treesize of output 11349 [2024-04-04 21:42:23,495 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 11029 treesize of output 10773 [2024-04-04 21:42:23,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10613 treesize of output 10357 [2024-04-04 21:42:23,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 10277 treesize of output 10213 [2024-04-04 21:42:27,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 25 treesize of output 21 [2024-04-04 21:42:28,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:28,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:28,239 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:28,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:28,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-04-04 21:42:28,309 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 176 treesize of output 168 [2024-04-04 21:42:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 29 refuted. 4 times theorem prover too weak. 0 trivial. 2 not checked. [2024-04-04 21:42:31,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1495489877] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:42:31,464 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:42:31,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 21] total 61 [2024-04-04 21:42:31,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487295657] [2024-04-04 21:42:31,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:42:31,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-04 21:42:31,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:31,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-04 21:42:31,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=3110, Unknown=23, NotChecked=230, Total=3660 [2024-04-04 21:42:31,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:31,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:31,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 5.295081967213115) internal successors, (323), 61 states have internal predecessors, (323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:31,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:31,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:31,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 21:42:31,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:31,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 21:42:31,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:34,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:34,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 21:42:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 21:42:34,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 21:42:34,728 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 21:42:34,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:34,919 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:34,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:34,919 INFO L85 PathProgramCache]: Analyzing trace with hash -166314938, now seen corresponding path program 1 times [2024-04-04 21:42:34,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:34,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734925877] [2024-04-04 21:42:34,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:34,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:35,114 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:35,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:35,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [734925877] [2024-04-04 21:42:35,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [734925877] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:42:35,114 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59221211] [2024-04-04 21:42:35,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:35,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:35,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:35,116 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:42:35,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 21:42:35,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:35,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 21:42:35,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:42:35,451 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 11 treesize of output 7 [2024-04-04 21:42:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:35,467 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 21:42:35,493 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:35,494 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2024-04-04 21:42:35,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:35,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 1 case distinctions, treesize of input 9 treesize of output 8 [2024-04-04 21:42:35,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2024-04-04 21:42:35,520 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 20 treesize of output 12 [2024-04-04 21:42:35,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:35,601 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:35,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:35,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:35,776 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 21:42:35,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2024-04-04 21:42:35,839 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:35,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59221211] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 21:42:35,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 21:42:35,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-04-04 21:42:35,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660032986] [2024-04-04 21:42:35,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 21:42:35,840 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-04 21:42:35,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 21:42:35,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-04 21:42:35,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-04-04 21:42:35,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:35,872 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 21:42:35,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 19.764705882352942) internal successors, (336), 17 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 21:42:35,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:35,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:35,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 21:42:35,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:35,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 21:42:35,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 21:42:35,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 21:42:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 21:42:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 21:42:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 21:42:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 21:42:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 21:42:36,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 21:42:36,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 21:42:36,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-04-04 21:42:36,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-04-04 21:42:36,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 21:42:36,249 INFO L85 PathProgramCache]: Analyzing trace with hash 591386394, now seen corresponding path program 1 times [2024-04-04 21:42:36,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 21:42:36,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1787862659] [2024-04-04 21:42:36,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:36,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 21:42:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:38,340 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 21:42:38,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 21:42:38,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1787862659] [2024-04-04 21:42:38,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1787862659] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 21:42:38,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3665168] [2024-04-04 21:42:38,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 21:42:38,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 21:42:38,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 21:42:38,342 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 21:42:38,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 21:42:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 21:42:38,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 73 conjunts are in the unsatisfiable core [2024-04-04 21:42:38,565 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 21:42:38,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-04 21:42:38,677 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 21:42:38,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-04 21:42:38,719 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 21:42:38,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-04 21:42:38,992 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-04-04 21:42:39,030 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 9 [2024-04-04 21:42:39,108 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-04 21:42:39,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2024-04-04 21:42:39,164 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-04 21:42:39,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2024-04-04 21:42:39,224 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-04-04 21:42:39,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 21:42:39,563 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-04-04 21:42:39,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2024-04-04 21:42:39,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-04-04 21:42:40,316 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-04 21:42:40,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 40 [2024-04-04 21:42:40,330 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-04-04 21:42:40,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 39 [2024-04-04 21:42:41,426 INFO L349 Elim1Store]: treesize reduction 56, result has 68.4 percent of original size [2024-04-04 21:42:41,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 75 treesize of output 175 Received shutdown request... [2024-04-04 21:55:11,217 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 [2024-04-04 21:55:11,217 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 21:55:11,247 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 [2024-04-04 21:55:11,247 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 21:55:11,247 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (12)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 21:55:11,247 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 21:55:11,253 WARN L235 SmtUtils]: Removed 3392 from assertion stack [2024-04-04 21:55:11,254 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-04-04 21:55:11,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-04 21:55:11,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-04-04 21:55:11,455 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 170 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26787 for 723169ms.. [2024-04-04 21:55:11,455 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-04 21:55:11,455 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-04 21:55:11,455 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-04 21:55:11,455 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 21:55:11,455 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 21:55:11,456 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 21:55:11,459 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2024-04-04 21:55:11,459 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 21:55:11,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 09:55:11 BasicIcfg [2024-04-04 21:55:11,461 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 21:55:11,461 INFO L158 Benchmark]: Toolchain (without parser) took 834207.46ms. Allocated memory was 185.6MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 117.7MB in the beginning and 1.1GB in the end (delta: -974.6MB). Peak memory consumption was 831.0MB. Max. memory is 8.0GB. [2024-04-04 21:55:11,461 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 185.6MB. Free memory was 118.4MB in the beginning and 118.2MB in the end (delta: 164.3kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 21:55:11,461 INFO L158 Benchmark]: CACSL2BoogieTranslator took 446.67ms. Allocated memory was 185.6MB in the beginning and 300.9MB in the end (delta: 115.3MB). Free memory was 117.6MB in the beginning and 268.0MB in the end (delta: -150.4MB). Peak memory consumption was 24.0MB. Max. memory is 8.0GB. [2024-04-04 21:55:11,462 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.98ms. Allocated memory is still 300.9MB. Free memory was 268.0MB in the beginning and 265.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 21:55:11,462 INFO L158 Benchmark]: Boogie Preprocessor took 15.69ms. Allocated memory is still 300.9MB. Free memory was 265.9MB in the beginning and 264.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 21:55:11,462 INFO L158 Benchmark]: RCFGBuilder took 450.32ms. Allocated memory is still 300.9MB. Free memory was 264.3MB in the beginning and 243.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-04-04 21:55:11,462 INFO L158 Benchmark]: TraceAbstraction took 833262.04ms. Allocated memory was 300.9MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 242.3MB in the beginning and 1.1GB in the end (delta: -850.0MB). Peak memory consumption was 839.6MB. Max. memory is 8.0GB. [2024-04-04 21:55:11,463 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 185.6MB. Free memory was 118.4MB in the beginning and 118.2MB in the end (delta: 164.3kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 446.67ms. Allocated memory was 185.6MB in the beginning and 300.9MB in the end (delta: 115.3MB). Free memory was 117.6MB in the beginning and 268.0MB in the end (delta: -150.4MB). Peak memory consumption was 24.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 26.98ms. Allocated memory is still 300.9MB. Free memory was 268.0MB in the beginning and 265.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.69ms. Allocated memory is still 300.9MB. Free memory was 265.9MB in the beginning and 264.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 450.32ms. Allocated memory is still 300.9MB. Free memory was 264.3MB in the beginning and 243.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 833262.04ms. Allocated memory was 300.9MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 242.3MB in the beginning and 1.1GB in the end (delta: -850.0MB). Peak memory consumption was 839.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 472, independent: 280, independent conditional: 213, independent unconditional: 67, dependent: 192, dependent conditional: 133, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 213, independent unconditional: 67, 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: 280, independent: 280, independent conditional: 213, independent unconditional: 67, 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: 280, independent: 280, independent conditional: 213, independent unconditional: 67, 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: 280, independent: 280, independent conditional: 56, independent unconditional: 224, 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: 280, independent: 280, independent conditional: 46, independent unconditional: 234, 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: 280, independent: 280, independent conditional: 46, independent unconditional: 234, 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: 172, independent: 172, independent conditional: 19, independent unconditional: 153, 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: 172, independent: 172, independent conditional: 0, independent unconditional: 172, 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: 280, independent: 108, independent conditional: 27, independent unconditional: 81, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 172, unknown conditional: 19, unknown unconditional: 153] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 172, Positive conditional cache size: 19, Positive unconditional cache size: 153, 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: 10, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 56, independent unconditional: 224, 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: 280, independent: 280, independent conditional: 46, independent unconditional: 234, 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: 280, independent: 280, independent conditional: 46, independent unconditional: 234, 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: 172, independent: 172, independent conditional: 19, independent unconditional: 153, 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: 172, independent: 172, independent conditional: 0, independent unconditional: 172, 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: 280, independent: 108, independent conditional: 27, independent unconditional: 81, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 172, unknown conditional: 19, unknown unconditional: 153] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 172, Positive conditional cache size: 19, Positive unconditional cache size: 153, 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: 10 ], Independence queries for same thread: 192 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2653, independent: 2120, independent conditional: 2053, independent unconditional: 67, dependent: 533, dependent conditional: 474, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 2053, independent unconditional: 67, 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: 2120, independent: 2120, independent conditional: 2053, independent unconditional: 67, 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: 2120, independent: 2120, independent conditional: 2053, independent unconditional: 67, 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: 2120, independent: 2120, independent conditional: 755, independent unconditional: 1365, 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: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, 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: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, 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: 640, independent: 640, independent conditional: 162, independent unconditional: 478, 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: 640, independent: 640, independent conditional: 0, independent unconditional: 640, 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: 2120, independent: 1480, independent conditional: 389, independent unconditional: 1091, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 640, unknown conditional: 162, unknown unconditional: 478] , Statistics on independence cache: Total cache size (in pairs): 640, Positive cache size: 640, Positive conditional cache size: 162, Positive unconditional cache size: 478, 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: 204, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 755, independent unconditional: 1365, 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: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, 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: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, 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: 640, independent: 640, independent conditional: 162, independent unconditional: 478, 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: 640, independent: 640, independent conditional: 0, independent unconditional: 640, 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: 2120, independent: 1480, independent conditional: 389, independent unconditional: 1091, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 640, unknown conditional: 162, unknown unconditional: 478] , Statistics on independence cache: Total cache size (in pairs): 640, Positive cache size: 640, Positive conditional cache size: 162, Positive unconditional cache size: 478, 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: 204 ], Independence queries for same thread: 533 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7575, independent: 6990, independent conditional: 6923, independent unconditional: 67, dependent: 585, dependent conditional: 526, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 6923, independent unconditional: 67, 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: 6990, independent: 6990, independent conditional: 6923, independent unconditional: 67, 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: 6990, independent: 6990, independent conditional: 6923, independent unconditional: 67, 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: 6990, independent: 6990, independent conditional: 2104, independent unconditional: 4886, 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: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, 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: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, 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: 1073, independent: 1073, independent conditional: 218, independent unconditional: 855, 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: 1073, independent: 1073, independent conditional: 0, independent unconditional: 1073, 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: 6990, independent: 5917, independent conditional: 709, independent unconditional: 5208, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1073, unknown conditional: 218, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 1073, Positive cache size: 1073, Positive conditional cache size: 218, Positive unconditional cache size: 855, 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: 1177, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 2104, independent unconditional: 4886, 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: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, 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: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, 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: 1073, independent: 1073, independent conditional: 218, independent unconditional: 855, 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: 1073, independent: 1073, independent conditional: 0, independent unconditional: 1073, 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: 6990, independent: 5917, independent conditional: 709, independent unconditional: 5208, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1073, unknown conditional: 218, unknown unconditional: 855] , Statistics on independence cache: Total cache size (in pairs): 1073, Positive cache size: 1073, Positive conditional cache size: 218, Positive unconditional cache size: 855, 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: 1177 ], Independence queries for same thread: 585 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9120, independent: 8521, independent conditional: 8454, independent unconditional: 67, dependent: 599, dependent conditional: 540, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 8454, independent unconditional: 67, 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: 8521, independent: 8521, independent conditional: 8454, independent unconditional: 67, 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: 8521, independent: 8521, independent conditional: 8454, independent unconditional: 67, 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: 8521, independent: 8521, independent conditional: 2308, independent unconditional: 6213, 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: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, 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: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, 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: 1284, independent: 1284, independent conditional: 251, independent unconditional: 1033, 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: 1284, independent: 1284, independent conditional: 0, independent unconditional: 1284, 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: 8521, independent: 7237, independent conditional: 885, independent unconditional: 6352, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1284, unknown conditional: 251, unknown unconditional: 1033] , Statistics on independence cache: Total cache size (in pairs): 1284, Positive cache size: 1284, Positive conditional cache size: 251, Positive unconditional cache size: 1033, 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: 1172, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 2308, independent unconditional: 6213, 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: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, 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: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, 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: 1284, independent: 1284, independent conditional: 251, independent unconditional: 1033, 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: 1284, independent: 1284, independent conditional: 0, independent unconditional: 1284, 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: 8521, independent: 7237, independent conditional: 885, independent unconditional: 6352, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1284, unknown conditional: 251, unknown unconditional: 1033] , Statistics on independence cache: Total cache size (in pairs): 1284, Positive cache size: 1284, Positive conditional cache size: 251, Positive unconditional cache size: 1033, 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: 1172 ], Independence queries for same thread: 599 - TimeoutResultAtElement [Line: 725]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 170 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26787 for 723169ms.. - TimeoutResultAtElement [Line: 731]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 170 with TraceHistMax 4,while TraceCheckSpWp was constructing forward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 26787 for 723169ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, 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: 7, 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, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 199 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, 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: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 530 NumberOfCodeBlocks, 530 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 590 ConstructedInterpolants, 49 QuantifiedInterpolants, 5160 SizeOfPredicates, 28 NumberOfNonLiveVariables, 424 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 54/96 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 256 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 49.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.4s, 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: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 43.8s InterpolantComputationTime, 1477 NumberOfCodeBlocks, 1477 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1903 ConstructedInterpolants, 157 QuantifiedInterpolants, 21548 SizeOfPredicates, 89 NumberOfNonLiveVariables, 1642 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 205/550 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 - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 313 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 778.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 16.2s InterpolantComputationTime, 1455 NumberOfCodeBlocks, 1455 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2073 ConstructedInterpolants, 168 QuantifiedInterpolants, 24010 SizeOfPredicates, 86 NumberOfNonLiveVariables, 1773 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 17 InterpolantComputations, 2 PerfectInterpolantSequences, 390/735 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