/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 DFS --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -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 08:04:13,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 08:04:13,386 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 08:04:13,392 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 08:04:13,392 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 08:04:13,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 08:04:13,420 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 08:04:13,420 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 08:04:13,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 08:04:13,425 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 08:04:13,425 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 08:04:13,425 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 08:04:13,426 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 08:04:13,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 08:04:13,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 08:04:13,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 08:04:13,428 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 08:04:13,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 08:04:13,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 08:04:13,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 08:04:13,429 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 08:04:13,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 08:04:13,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 08:04:13,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 08:04:13,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 08:04:13,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 08:04:13,430 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 08:04:13,430 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 08:04:13,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 08:04:13,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:04:13,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 08:04:13,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 08:04:13,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 08:04:13,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 08:04:13,433 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 08:04:13,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 08:04:13,433 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 08:04:13,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 08:04:13,434 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 08:04:13,434 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-04-04 08:04:13,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 08:04:13,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 08:04:13,741 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 08:04:13,742 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 08:04:13,743 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 08:04:13,744 INFO L431 ainManager$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 08:04:14,915 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 08:04:15,183 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 08:04:15,183 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-04-04 08:04:15,195 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/946df62ed/740058a469304f769da011e0796bc70d/FLAG0f50fa2fa [2024-04-04 08:04:15,207 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/946df62ed/740058a469304f769da011e0796bc70d [2024-04-04 08:04:15,209 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 08:04:15,210 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 08:04:15,211 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 08:04:15,211 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 08:04:15,217 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 08:04:15,218 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57f80b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15, skipping insertion in model container [2024-04-04 08:04:15,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 08:04:15,511 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 08:04:15,518 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:04:15,529 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 08:04:15,590 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 08:04:15,591 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 08:04:15,632 INFO L206 MainTranslator]: Completed translation [2024-04-04 08:04:15,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15 WrapperNode [2024-04-04 08:04:15,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 08:04:15,634 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 08:04:15,634 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 08:04:15,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 08:04:15,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,675 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-04-04 08:04:15,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 08:04:15,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 08:04:15,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 08:04:15,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 08:04:15,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,686 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,691 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 08:04:15,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 08:04:15,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 08:04:15,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 08:04:15,703 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (1/1) ... [2024-04-04 08:04:15,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 08:04:15,729 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:15,740 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 08:04:15,742 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 08:04:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 08:04:15,775 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-04-04 08:04:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-04-04 08:04:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 08:04:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 08:04:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 08:04:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 08:04:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 08:04:15,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 08:04:15,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 08:04:15,777 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 08:04:15,885 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 08:04:15,887 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 08:04:16,043 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 08:04:16,105 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 08:04:16,105 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-04 08:04:16,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:04:16 BoogieIcfgContainer [2024-04-04 08:04:16,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 08:04:16,109 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 08:04:16,109 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 08:04:16,112 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 08:04:16,112 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 08:04:15" (1/3) ... [2024-04-04 08:04:16,113 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355368d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:04:16, skipping insertion in model container [2024-04-04 08:04:16,113 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 08:04:15" (2/3) ... [2024-04-04 08:04:16,114 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355368d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 08:04:16, skipping insertion in model container [2024-04-04 08:04:16,114 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 08:04:16" (3/3) ... [2024-04-04 08:04:16,115 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2024-04-04 08:04:16,122 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 08:04:16,131 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 08:04:16,131 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 08:04:16,131 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 08:04:16,190 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 08:04:16,235 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 08:04:16,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 08:04:16,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:16,242 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 08:04:16,248 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 08:04:16,295 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 08:04:16,305 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:16,306 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 08:04:16,311 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;@40100486, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 08:04:16,312 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 08:04:16,373 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 08:04:16,374 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:16,375 INFO L85 PathProgramCache]: Analyzing trace with hash -302081931, now seen corresponding path program 1 times [2024-04-04 08:04:16,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:16,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373706338] [2024-04-04 08:04:16,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:16,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:16,684 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 08:04:16,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:16,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373706338] [2024-04-04 08:04:16,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373706338] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:04:16,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:04:16,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 08:04:16,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823924918] [2024-04-04 08:04:16,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:04:16,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 08:04:16,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:16,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 08:04:16,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 08:04:16,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:16,715 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:16,716 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 08:04:16,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:16,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:16,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 08:04:16,739 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 08:04:16,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:16,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1981811242, now seen corresponding path program 1 times [2024-04-04 08:04:16,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:16,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190997706] [2024-04-04 08:04:16,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:16,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:16,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:17,038 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 08:04:17,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:17,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190997706] [2024-04-04 08:04:17,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190997706] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:04:17,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:04:17,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 08:04:17,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820775117] [2024-04-04 08:04:17,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:04:17,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 08:04:17,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:17,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 08:04:17,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 08:04:17,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:17,042 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 08:04:17,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:17,124 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 08:04:17,124 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 08:04:17,124 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:17,125 INFO L85 PathProgramCache]: Analyzing trace with hash 1048898989, now seen corresponding path program 1 times [2024-04-04 08:04:17,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:17,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963358490] [2024-04-04 08:04:17,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:17,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 08:04:17,151 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 08:04:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 08:04:17,207 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 08:04:17,208 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 08:04:17,209 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-04-04 08:04:17,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-04-04 08:04:17,211 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-04-04 08:04:17,211 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-04 08:04:17,222 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-04-04 08:04:17,224 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 08:04:17,224 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-04-04 08:04:17,267 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 08:04:17,275 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 08:04:17,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 08:04:17,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:17,318 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 08:04:17,322 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 08:04:17,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:17,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 08:04:17,323 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 08:04:17,324 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;@40100486, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 08:04:17,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-04 08:04:17,369 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 08:04:17,369 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:17,370 INFO L85 PathProgramCache]: Analyzing trace with hash 1266153497, now seen corresponding path program 1 times [2024-04-04 08:04:17,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:17,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707082946] [2024-04-04 08:04:17,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:17,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:17,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:17,404 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 08:04:17,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:17,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707082946] [2024-04-04 08:04:17,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707082946] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:04:17,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:04:17,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 08:04:17,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198997607] [2024-04-04 08:04:17,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:04:17,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 08:04:17,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:17,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 08:04:17,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 08:04:17,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,407 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:17,407 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 08:04:17,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-04 08:04:17,428 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 08:04:17,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:17,428 INFO L85 PathProgramCache]: Analyzing trace with hash -601908963, now seen corresponding path program 1 times [2024-04-04 08:04:17,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:17,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448513442] [2024-04-04 08:04:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:17,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:17,591 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 08:04:17,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:17,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448513442] [2024-04-04 08:04:17,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448513442] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:04:17,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:04:17,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 08:04:17,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260750788] [2024-04-04 08:04:17,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:04:17,593 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 08:04:17,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:17,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 08:04:17,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 08:04:17,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:17,594 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 08:04:17,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:17,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:17,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 08:04:17,674 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 08:04:17,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:17,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1367382447, now seen corresponding path program 1 times [2024-04-04 08:04:17,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:17,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542030843] [2024-04-04 08:04:17,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:17,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:17,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:18,513 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 08:04:18,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542030843] [2024-04-04 08:04:18,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542030843] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:04:18,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [317749696] [2024-04-04 08:04:18,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:18,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:04:18,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:18,517 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 08:04:18,538 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 08:04:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:18,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 08:04:18,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:04:18,759 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 08:04:18,893 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 08:04:18,894 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 08:04:18,963 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 08:04:19,100 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 08:04:19,328 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-04-04 08:04:19,329 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 08:04:19,475 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 08:04:19,475 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:04:19,941 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:19,942 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 08:04:19,955 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:19,955 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 08:04:20,119 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:20,121 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 08:04:20,277 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 08:04:20,327 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 08:04:20,376 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 08:04:20,832 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 08:04:21,103 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 08:04:21,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [317749696] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:04:21,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:04:21,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-04-04 08:04:21,104 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290133338] [2024-04-04 08:04:21,104 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:04:21,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 08:04:21,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:21,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 08:04:21,106 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=861, Unknown=14, NotChecked=0, Total=992 [2024-04-04 08:04:21,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:21,107 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:21,107 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 08:04:21,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:21,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:21,107 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:21,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:21,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:21,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:21,861 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 08:04:22,052 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 08:04:22,052 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 08:04:22,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:22,053 INFO L85 PathProgramCache]: Analyzing trace with hash 72255999, now seen corresponding path program 1 times [2024-04-04 08:04:22,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:22,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [291694051] [2024-04-04 08:04:22,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:22,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:22,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:22,236 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 08:04:22,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:22,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [291694051] [2024-04-04 08:04:22,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [291694051] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:04:22,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254481233] [2024-04-04 08:04:22,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:22,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:04:22,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:22,238 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 08:04:22,256 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 08:04:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:22,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-04 08:04:22,383 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:04:22,465 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 08:04:22,479 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 08:04:22,479 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:04:22,496 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:22,497 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 08:04:22,504 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:22,505 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 08:04:22,526 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 08:04:22,528 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 08:04:22,649 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:22,650 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 08:04:22,746 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 08:04:22,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254481233] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:04:22,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:04:22,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-04-04 08:04:22,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415067575] [2024-04-04 08:04:22,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:04:22,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 08:04:22,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:22,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 08:04:22,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-04-04 08:04:22,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:22,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:22,749 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 08:04:22,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:22,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:22,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:22,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 08:04:22,853 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 08:04:23,051 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 08:04:23,051 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 08:04:23,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:23,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1402942486, now seen corresponding path program 1 times [2024-04-04 08:04:23,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:23,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990263448] [2024-04-04 08:04:23,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:23,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 08:04:23,084 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 08:04:23,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 08:04:23,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 08:04:23,131 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 08:04:23,132 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-04-04 08:04:23,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-04-04 08:04:23,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-04-04 08:04:23,132 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-04-04 08:04:23,132 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-04 08:04:23,134 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-04-04 08:04:23,135 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 08:04:23,135 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-04-04 08:04:23,176 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 08:04:23,182 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 08:04:23,183 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 08:04:23,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:23,185 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 08:04:23,194 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 08:04:23,195 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:23,195 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 08:04:23,195 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;@40100486, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 08:04:23,195 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 08:04:23,215 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 08:04:23,219 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 08:04:23,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:23,220 INFO L85 PathProgramCache]: Analyzing trace with hash 1941718777, now seen corresponding path program 1 times [2024-04-04 08:04:23,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:23,220 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [157459019] [2024-04-04 08:04:23,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:23,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:23,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:23,241 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 08:04:23,241 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:23,241 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [157459019] [2024-04-04 08:04:23,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [157459019] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:04:23,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:04:23,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 08:04:23,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23178366] [2024-04-04 08:04:23,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:04:23,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 08:04:23,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:23,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 08:04:23,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 08:04:23,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:23,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:23,243 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 08:04:23,243 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:23,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:23,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-04-04 08:04:23,265 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 08:04:23,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:23,265 INFO L85 PathProgramCache]: Analyzing trace with hash 471769321, now seen corresponding path program 1 times [2024-04-04 08:04:23,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:23,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626288171] [2024-04-04 08:04:23,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:23,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:23,399 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 08:04:23,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:23,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626288171] [2024-04-04 08:04:23,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626288171] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:04:23,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:04:23,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 08:04:23,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607536300] [2024-04-04 08:04:23,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:04:23,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 08:04:23,400 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:23,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 08:04:23,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 08:04:23,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:23,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:23,402 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 08:04:23,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:23,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:23,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:23,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-04-04 08:04:23,443 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 08:04:23,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:23,443 INFO L85 PathProgramCache]: Analyzing trace with hash 995868334, now seen corresponding path program 1 times [2024-04-04 08:04:23,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:23,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008859628] [2024-04-04 08:04:23,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:23,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:23,961 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 08:04:23,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:23,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008859628] [2024-04-04 08:04:23,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008859628] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:04:23,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [870279055] [2024-04-04 08:04:23,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:23,962 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:04:23,962 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:23,964 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 08:04:23,982 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 08:04:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:24,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 08:04:24,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:04:24,109 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 08:04:24,179 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 08:04:24,179 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 08:04:24,222 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 08:04:24,303 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 08:04:24,511 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-04-04 08:04:24,512 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 08:04:24,643 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 08:04:24,643 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:04:24,928 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 08:04:24,980 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:24,980 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 08:04:24,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:24,996 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 08:04:25,089 INFO L349 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2024-04-04 08:04:25,089 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 08:04:25,112 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 08:04:25,185 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 08:04:25,213 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:25,213 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 08:04:25,232 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 08:04:25,301 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 08:04:25,546 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 08:04:25,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [870279055] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:04:25,547 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:04:25,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-04-04 08:04:25,547 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069886797] [2024-04-04 08:04:25,547 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:04:25,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 08:04:25,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:25,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 08:04:25,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=4, NotChecked=58, Total=992 [2024-04-04 08:04:25,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:25,550 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:25,551 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 08:04:25,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:25,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:25,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:26,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:26,296 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 08:04:26,489 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 08:04:26,489 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 08:04:26,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:26,490 INFO L85 PathProgramCache]: Analyzing trace with hash -3634373, now seen corresponding path program 1 times [2024-04-04 08:04:26,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:26,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211099] [2024-04-04 08:04:26,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:26,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:26,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:26,725 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 08:04:26,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:26,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211099] [2024-04-04 08:04:26,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211099] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:04:26,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1376541352] [2024-04-04 08:04:26,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:26,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:04:26,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:26,727 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 08:04:26,746 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 08:04:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:26,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-04 08:04:26,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:04:26,977 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 08:04:26,992 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 08:04:26,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:04:27,012 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:27,015 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 08:04:27,028 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:27,029 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 08:04:27,066 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 08:04:27,070 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 08:04:27,213 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:27,213 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 08:04:27,286 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 08:04:27,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1376541352] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:04:27,286 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:04:27,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-04-04 08:04:27,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511930579] [2024-04-04 08:04:27,286 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:04:27,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 08:04:27,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:27,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 08:04:27,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-04-04 08:04:27,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:27,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:27,288 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 08:04:27,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:27,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:27,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:27,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:27,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:04:27,460 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 08:04:27,659 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 08:04:27,659 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 08:04:27,659 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:27,660 INFO L85 PathProgramCache]: Analyzing trace with hash -730832999, now seen corresponding path program 1 times [2024-04-04 08:04:27,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:27,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414602105] [2024-04-04 08:04:27,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:27,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:27,891 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 08:04:27,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:27,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414602105] [2024-04-04 08:04:27,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414602105] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:04:27,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1908355570] [2024-04-04 08:04:27,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:27,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:04:27,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:27,893 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 08:04:27,918 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 08:04:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:28,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 08:04:28,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:04:28,154 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 08:04:28,162 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 08:04:28,171 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 08:04:28,171 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:04:28,202 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:28,202 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 08:04:28,208 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 08:04:28,224 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 08:04:28,227 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 08:04:28,230 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 08:04:28,313 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:28,314 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 08:04:28,440 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:28,441 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 08:04:28,508 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 08:04:28,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1908355570] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:04:28,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:04:28,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-04-04 08:04:28,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175972713] [2024-04-04 08:04:28,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:04:28,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 08:04:28,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:04:28,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 08:04:28,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-04-04 08:04:28,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:28,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:04:28,512 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 08:04:28,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:28,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:28,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:28,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:04:28,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:28,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:04:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:04:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:04:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:04:28,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:04:28,679 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 08:04:28,879 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 08:04:28,880 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 08:04:28,880 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:04:28,880 INFO L85 PathProgramCache]: Analyzing trace with hash -239207699, now seen corresponding path program 1 times [2024-04-04 08:04:28,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:04:28,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723081076] [2024-04-04 08:04:28,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:28,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:04:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:30,335 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 08:04:30,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:04:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723081076] [2024-04-04 08:04:30,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [723081076] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:04:30,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437771947] [2024-04-04 08:04:30,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:04:30,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:04:30,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:04:30,341 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 08:04:30,362 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 08:04:30,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:04:30,507 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-04 08:04:30,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:04:30,529 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 08:04:30,600 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 08:04:30,600 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 08:04:30,622 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 08:04:30,622 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 08:04:30,637 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 08:04:30,682 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 08:04:30,957 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 08:04:30,998 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 08:04:31,097 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 08:04:31,097 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 08:04:31,175 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 08:04:31,311 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 08:04:31,464 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-04-04 08:04:31,464 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 08:04:31,843 INFO L349 Elim1Store]: treesize reduction 42, result has 35.4 percent of original size [2024-04-04 08:04:31,844 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 08:04:32,003 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:32,004 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 08:04:32,008 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 08:04:32,008 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:04:33,108 WARN L854 $PredicateComparison]: unable to prove that (and (or (< c_~next_alloc_idx~0 65) (forall ((v_ArrVal_710 (Array Int Int)) (v_DerPreprocessor_7 (Array Int Int)) (|~#top~0.base| Int) (|thr1Thread2of3ForFork0_push_~#ret~0#1.base| Int) (|thr1Thread1of3ForFork0_push_~#newTop~0#1.base| Int)) (or (not (= (select (select (let ((.cse0 (let ((.cse1 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_710) |thr1Thread1of3ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_7))) (store .cse1 |~#top~0.base| (store (select .cse1 |~#top~0.base|) |c_~#top~0.offset| (select (select .cse1 |c_thr1Thread2of3ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#newTop~0#1.offset|)))))) (store .cse0 |thr1Thread2of3ForFork0_push_~#ret~0#1.base| (store (select .cse0 |thr1Thread2of3ForFork0_push_~#ret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#ret~0#1.offset| 1))) |~#top~0.base|) |c_~#top~0.offset|) 0)) (= (select v_DerPreprocessor_7 0) 0)))) (forall ((v_ArrVal_710 (Array Int Int)) (v_DerPreprocessor_8 Int) (|~#top~0.base| Int) (|thr1Thread2of3ForFork0_push_~#ret~0#1.base| Int) (|thr1Thread1of3ForFork0_push_~#newTop~0#1.base| Int)) (or (not (= (select (select (let ((.cse2 (let ((.cse3 (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_710))) (store .cse4 |thr1Thread1of3ForFork0_push_~#newTop~0#1.base| (store (select .cse4 |thr1Thread1of3ForFork0_push_~#newTop~0#1.base|) 0 v_DerPreprocessor_8))))) (store .cse3 |~#top~0.base| (store (select .cse3 |~#top~0.base|) |c_~#top~0.offset| (select (select .cse3 |c_thr1Thread2of3ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#newTop~0#1.offset|)))))) (store .cse2 |thr1Thread2of3ForFork0_push_~#ret~0#1.base| (store (select .cse2 |thr1Thread2of3ForFork0_push_~#ret~0#1.base|) |c_thr1Thread2of3ForFork0_push_~#ret~0#1.offset| 1))) |~#top~0.base|) |c_~#top~0.offset|) 0)) (= v_DerPreprocessor_8 0)))) is different from false [2024-04-04 08:04:33,272 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:33,272 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 08:04:33,279 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:33,279 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 08:04:38,035 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:38,040 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 6947309 treesize of output 6779709 [2024-04-04 08:04:43,069 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 43690 treesize of output 42666 [2024-04-04 08:04:44,559 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 41738 treesize of output 40714 [2024-04-04 08:04:46,364 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:46,366 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 36698 treesize of output 36193 [2024-04-04 08:04:47,267 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 36024 treesize of output 35768 [2024-04-04 08:04:48,046 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 08:04:48,835 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:04:48,836 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 35032 treesize of output 34911 [2024-04-04 08:04:49,614 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 34822 treesize of output 34758 [2024-04-04 08:04:50,434 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 35158 treesize of output 34902 [2024-04-04 08:05:05,819 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 08:05:06,621 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:06,622 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 08:05:06,628 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:06,629 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 08:05:06,679 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 08:05:06,685 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 08:05:06,697 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 08:05:06,700 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 08:05:07,507 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2024-04-04 08:05:07,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437771947] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:05:07,507 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:05:07,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 23] total 63 [2024-04-04 08:05:07,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971909940] [2024-04-04 08:05:07,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:05:07,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-04-04 08:05:07,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:07,512 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-04-04 08:05:07,513 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=3410, Unknown=9, NotChecked=120, Total=3906 [2024-04-04 08:05:07,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:07,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:07,514 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 08:05:07,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:07,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:07,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:07,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:07,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:05:07,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:09,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:05:09,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 08:05:10,002 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 08:05:10,200 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 08:05:10,200 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 08:05:10,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:10,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1616846464, now seen corresponding path program 1 times [2024-04-04 08:05:10,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:10,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563447867] [2024-04-04 08:05:10,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:10,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:10,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:10,576 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 08:05:10,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:10,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563447867] [2024-04-04 08:05:10,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563447867] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:05:10,577 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527380439] [2024-04-04 08:05:10,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:10,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:05:10,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:10,578 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 08:05:10,588 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 08:05:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:10,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 08:05:10,791 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:05:10,937 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 08:05:10,960 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 08:05:10,960 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:05:11,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:11,004 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 08:05:11,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:11,015 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 08:05:11,039 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 08:05:11,041 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 08:05:11,155 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:11,156 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 08:05:11,246 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:11,246 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 08:05:11,395 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:11,395 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 08:05:11,475 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 08:05:11,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527380439] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:05:11,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:05:11,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-04-04 08:05:11,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818650137] [2024-04-04 08:05:11,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:05:11,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-04 08:05:11,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:11,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-04 08:05:11,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-04-04 08:05:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:11,480 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:11,480 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 08:05:11,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:11,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:11,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:11,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:11,480 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:05:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 08:05:11,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:05:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 08:05:11,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:05:11,656 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-04 08:05:11,852 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 08:05:11,852 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 08:05:11,853 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:11,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1868410036, now seen corresponding path program 1 times [2024-04-04 08:05:11,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:11,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36160964] [2024-04-04 08:05:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:11,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:11,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 08:05:11,920 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 08:05:11,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 08:05:11,978 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 08:05:11,978 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 08:05:11,978 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-04-04 08:05:11,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-04-04 08:05:11,978 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-04-04 08:05:11,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-04-04 08:05:11,979 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-04 08:05:11,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-04-04 08:05:11,980 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 08:05:11,980 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 08:05:11,980 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-04-04 08:05:12,020 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-04-04 08:05:12,023 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 08:05:12,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 08:05:12,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:12,025 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 08:05:12,030 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 08:05:12,030 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:12,030 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 08:05:12,031 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;@40100486, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 08:05:12,031 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 08:05:12,044 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 08:05:12,049 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 08:05:12,049 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:12,049 INFO L85 PathProgramCache]: Analyzing trace with hash -1607898375, now seen corresponding path program 1 times [2024-04-04 08:05:12,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:12,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283379942] [2024-04-04 08:05:12,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:12,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:12,069 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 08:05:12,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:12,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283379942] [2024-04-04 08:05:12,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283379942] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:05:12,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:05:12,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 08:05:12,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891440033] [2024-04-04 08:05:12,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:05:12,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 08:05:12,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:12,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 08:05:12,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 08:05:12,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:12,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:12,071 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 08:05:12,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:12,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:12,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-04-04 08:05:12,096 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 08:05:12,098 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:12,098 INFO L85 PathProgramCache]: Analyzing trace with hash 2099292123, now seen corresponding path program 1 times [2024-04-04 08:05:12,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:12,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339958485] [2024-04-04 08:05:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:12,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:12,222 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 08:05:12,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:12,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339958485] [2024-04-04 08:05:12,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339958485] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 08:05:12,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 08:05:12,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 08:05:12,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977149308] [2024-04-04 08:05:12,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 08:05:12,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 08:05:12,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:12,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 08:05:12,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-04-04 08:05:12,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:12,224 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:12,225 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 08:05:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:12,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:12,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:12,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-04-04 08:05:12,267 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 08:05:12,267 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:12,267 INFO L85 PathProgramCache]: Analyzing trace with hash -4260850, now seen corresponding path program 1 times [2024-04-04 08:05:12,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:12,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321679632] [2024-04-04 08:05:12,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:12,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:12,723 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 08:05:12,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:12,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321679632] [2024-04-04 08:05:12,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321679632] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:05:12,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67739173] [2024-04-04 08:05:12,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:12,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:05:12,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:12,727 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 08:05:12,749 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 08:05:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:12,905 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 08:05:12,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:05:12,922 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 08:05:12,986 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 08:05:12,986 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 08:05:13,016 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 08:05:13,120 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 08:05:13,300 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-04-04 08:05:13,300 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 08:05:13,423 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 08:05:13,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:05:13,684 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 08:05:13,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:13,727 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 08:05:13,741 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:13,741 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 08:05:13,823 INFO L349 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2024-04-04 08:05:13,823 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 08:05:13,840 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 08:05:13,907 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 08:05:13,925 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:13,925 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 806 treesize of output 774 [2024-04-04 08:05:13,937 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 08:05:13,998 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 08:05:14,186 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 08:05:14,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67739173] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:05:14,187 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:05:14,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-04-04 08:05:14,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891013859] [2024-04-04 08:05:14,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:05:14,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 08:05:14,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:14,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 08:05:14,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=816, Unknown=3, NotChecked=58, Total=992 [2024-04-04 08:05:14,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:14,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:14,189 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 08:05:14,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:14,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:14,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:14,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:14,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:14,933 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 08:05:15,132 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 08:05:15,133 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 08:05:15,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:15,133 INFO L85 PathProgramCache]: Analyzing trace with hash 725840073, now seen corresponding path program 1 times [2024-04-04 08:05:15,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:15,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873777932] [2024-04-04 08:05:15,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:15,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:15,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:15,349 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 08:05:15,349 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:15,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873777932] [2024-04-04 08:05:15,349 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873777932] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:05:15,349 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474220565] [2024-04-04 08:05:15,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:15,349 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:05:15,350 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:15,351 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 08:05:15,368 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 08:05:15,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:15,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjunts are in the unsatisfiable core [2024-04-04 08:05:15,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:05:15,654 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 08:05:15,675 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 08:05:15,675 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:05:15,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:15,694 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 08:05:15,702 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:15,703 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 08:05:15,720 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 08:05:15,724 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 08:05:15,855 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:15,856 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 08:05:15,940 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 08:05:15,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474220565] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:05:15,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:05:15,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-04-04 08:05:15,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957766778] [2024-04-04 08:05:15,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:05:15,941 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 08:05:15,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:15,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 08:05:15,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-04-04 08:05:15,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:15,942 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:15,943 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 08:05:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:15,943 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:16,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:16,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:16,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 08:05:16,340 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 08:05:16,341 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 08:05:16,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:16,341 INFO L85 PathProgramCache]: Analyzing trace with hash -34802855, now seen corresponding path program 1 times [2024-04-04 08:05:16,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:16,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909568850] [2024-04-04 08:05:16,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:16,558 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 08:05:16,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:16,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909568850] [2024-04-04 08:05:16,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909568850] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:05:16,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113693016] [2024-04-04 08:05:16,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:16,559 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:05:16,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:16,560 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 08:05:16,563 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 08:05:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:16,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 08:05:16,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:05:16,885 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 08:05:16,904 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 08:05:16,905 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:05:16,938 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:16,939 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 08:05:16,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:16,948 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 08:05:16,969 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 08:05:16,971 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 08:05:17,048 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:17,048 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 08:05:17,198 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:17,198 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 08:05:17,277 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 08:05:17,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113693016] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:05:17,277 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:05:17,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-04-04 08:05:17,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873097979] [2024-04-04 08:05:17,277 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:05:17,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-04 08:05:17,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:17,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-04 08:05:17,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-04-04 08:05:17,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:17,279 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:17,279 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 08:05:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:17,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:17,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:05:17,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 08:05:17,653 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 08:05:17,653 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 08:05:17,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:17,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2000002189, now seen corresponding path program 1 times [2024-04-04 08:05:17,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:17,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32295674] [2024-04-04 08:05:17,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:17,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:18,899 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 08:05:18,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:18,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32295674] [2024-04-04 08:05:18,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32295674] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:05:18,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [819121905] [2024-04-04 08:05:18,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:18,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:05:18,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:18,901 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 08:05:18,903 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 08:05:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:19,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 53 conjunts are in the unsatisfiable core [2024-04-04 08:05:19,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:05:19,125 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 08:05:19,190 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 08:05:19,190 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 08:05:19,211 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 08:05:19,212 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 08:05:19,229 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 08:05:19,266 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 08:05:19,513 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 08:05:19,557 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 08:05:19,651 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-04 08:05:19,651 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 08:05:19,705 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-04-04 08:05:19,705 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 08:05:19,764 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 08:05:19,952 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 08:05:20,195 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-04-04 08:05:20,196 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 08:05:20,244 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 08:05:20,486 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-04 08:05:20,486 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 08:05:20,766 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:20,766 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 08:05:20,864 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 08:05:20,865 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:05:20,908 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| |c_thr1Thread2of4ForFork0_push_#t~mem8#1|)))) (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_14 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_thr1Thread2of4ForFork0_push_~#ret~0#1.base| v_DerPreprocessor_14) |c_~#top~0.base|) |c_~#top~0.offset|) 0))) .cse2)))) is different from false [2024-04-04 08:05:21,207 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_DerPreprocessor_15 (Array Int Int)) (|~#top~0.base| Int)) (not (= (select (select (let ((.cse0 (let ((.cse1 (store |c_#memory_int| |c_thr1Thread1of4ForFork0_push_~#newTop~0#1.base| v_DerPreprocessor_15))) (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 08:05:21,526 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:21,527 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 08:05:21,540 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:21,540 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 08:05:22,767 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:22,771 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 6583300 treesize of output 6536744 [2024-04-04 08:05:24,245 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 12629 treesize of output 12501 [2024-04-04 08:05:24,487 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 12421 treesize of output 12357 [2024-04-04 08:05:24,670 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 11717 treesize of output 11205 [2024-04-04 08:05:24,859 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 11045 treesize of output 10789 [2024-04-04 08:05:25,014 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 10469 treesize of output 10213 [2024-04-04 08:05:28,419 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 08:05:29,694 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:29,694 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 08:05:29,701 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:29,701 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 08:05:29,751 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 08:05:29,784 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 08:05:32,108 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 08:05:32,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [819121905] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:05:32,108 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:05:32,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 21] total 61 [2024-04-04 08:05:32,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641980314] [2024-04-04 08:05:32,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:05:32,109 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-04-04 08:05:32,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:32,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-04-04 08:05:32,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=3124, Unknown=9, NotChecked=230, Total=3660 [2024-04-04 08:05:32,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:32,111 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:32,112 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 08:05:32,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:32,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:32,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 08:05:32,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:32,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-04-04 08:05:32,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 08:05:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:35,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:05:35,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 08:05:35,279 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 08:05:35,474 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 08:05:35,474 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 08:05:35,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:35,475 INFO L85 PathProgramCache]: Analyzing trace with hash -166314938, now seen corresponding path program 1 times [2024-04-04 08:05:35,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:35,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903007009] [2024-04-04 08:05:35,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:35,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:35,805 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 08:05:35,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:35,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903007009] [2024-04-04 08:05:35,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903007009] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:05:35,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078995472] [2024-04-04 08:05:35,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:35,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:05:35,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:35,809 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 08:05:35,818 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 08:05:36,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:36,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 08:05:36,083 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:05:36,235 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 08:05:36,256 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 08:05:36,256 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 08:05:36,289 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:36,290 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 08:05:36,298 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:36,298 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 08:05:36,320 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 08:05:36,323 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 08:05:36,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:36,439 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 08:05:36,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:36,532 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 08:05:36,683 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 08:05:36,684 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 08:05:36,768 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 08:05:36,769 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078995472] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 08:05:36,769 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 08:05:36,769 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-04-04 08:05:36,769 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433143726] [2024-04-04 08:05:36,769 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 08:05:36,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-04 08:05:36,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 08:05:36,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-04 08:05:36,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-04-04 08:05:36,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:36,770 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 08:05:36,770 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 08:05:36,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:36,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:36,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-04 08:05:36,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:36,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:05:36,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-04-04 08:05:36,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 08:05:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 08:05:36,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-04 08:05:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 08:05:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 08:05:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-04-04 08:05:36,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 08:05:36,964 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 08:05:37,163 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 08:05:37,163 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 08:05:37,163 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 08:05:37,164 INFO L85 PathProgramCache]: Analyzing trace with hash 591386394, now seen corresponding path program 1 times [2024-04-04 08:05:37,164 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 08:05:37,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049395163] [2024-04-04 08:05:37,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:37,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 08:05:37,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:39,914 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 08:05:39,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 08:05:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049395163] [2024-04-04 08:05:39,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049395163] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 08:05:39,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677104263] [2024-04-04 08:05:39,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 08:05:39,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 08:05:39,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 08:05:39,915 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 08:05:39,917 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 08:05:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 08:05:40,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 73 conjunts are in the unsatisfiable core [2024-04-04 08:05:40,163 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 08:05:40,204 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 08:05:40,309 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 08:05:40,309 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 08:05:40,359 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-04 08:05:40,359 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 08:05:40,616 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 08:05:40,655 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 08:05:40,750 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-04-04 08:05:40,751 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 08:05:40,812 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-04 08:05:40,813 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 08:05:40,872 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 08:05:41,063 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 08:05:41,233 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-04-04 08:05:41,234 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 08:05:41,377 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 08:05:42,040 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-04-04 08:05:42,040 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 08:05:42,053 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-04-04 08:05:42,054 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 08:05:43,120 INFO L349 Elim1Store]: treesize reduction 56, result has 68.4 percent of original size [2024-04-04 08:05:43,120 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 08:17:44,466 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 08:17:44,468 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 08:17:44,488 WARN L235 SmtUtils]: Removed 605 from assertion stack [2024-04-04 08:17:44,490 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-04-04 08:17:44,500 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 08:17:44,500 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 08:17:44,501 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 08:17:44,501 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 08:17:44,501 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-04 08:17:44,697 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 08:17:44,698 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 16827 for 699394ms.. [2024-04-04 08:17:44,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-04 08:17:44,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-04 08:17:44,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-04 08:17:44,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 08:17:44,698 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 08:17:44,699 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 08:17:44,702 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2024-04-04 08:17:44,702 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 08:17:44,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 08:17:44 BasicIcfg [2024-04-04 08:17:44,706 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 08:17:44,706 INFO L158 Benchmark]: Toolchain (without parser) took 809496.16ms. Allocated memory was 289.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 214.6MB in the beginning and 880.7MB in the end (delta: -666.1MB). Peak memory consumption was 878.8MB. Max. memory is 8.0GB. [2024-04-04 08:17:44,707 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 289.4MB. Free memory is still 260.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 08:17:44,707 INFO L158 Benchmark]: CACSL2BoogieTranslator took 421.86ms. Allocated memory is still 289.4MB. Free memory was 214.3MB in the beginning and 194.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-04 08:17:44,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.03ms. Allocated memory is still 289.4MB. Free memory was 194.4MB in the beginning and 192.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 08:17:44,707 INFO L158 Benchmark]: Boogie Preprocessor took 25.31ms. Allocated memory is still 289.4MB. Free memory was 192.3MB in the beginning and 190.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 08:17:44,707 INFO L158 Benchmark]: RCFGBuilder took 404.96ms. Allocated memory is still 289.4MB. Free memory was 190.5MB in the beginning and 170.0MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-04 08:17:44,707 INFO L158 Benchmark]: TraceAbstraction took 808597.10ms. Allocated memory was 289.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 168.8MB in the beginning and 880.7MB in the end (delta: -711.9MB). Peak memory consumption was 833.7MB. Max. memory is 8.0GB. [2024-04-04 08:17:44,708 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 289.4MB. Free memory is still 260.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 421.86ms. Allocated memory is still 289.4MB. Free memory was 214.3MB in the beginning and 194.4MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.03ms. Allocated memory is still 289.4MB. Free memory was 194.4MB in the beginning and 192.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.31ms. Allocated memory is still 289.4MB. Free memory was 192.3MB in the beginning and 190.8MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 404.96ms. Allocated memory is still 289.4MB. Free memory was 190.5MB in the beginning and 170.0MB in the end (delta: 20.6MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 808597.10ms. Allocated memory was 289.4MB in the beginning and 1.4GB in the end (delta: 1.2GB). Free memory was 168.8MB in the beginning and 880.7MB in the end (delta: -711.9MB). Peak memory consumption was 833.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 749, independent: 459, independent conditional: 335, independent unconditional: 124, dependent: 290, dependent conditional: 193, dependent unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 459, independent: 459, independent conditional: 335, independent unconditional: 124, 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: 459, independent: 459, independent conditional: 335, independent unconditional: 124, 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: 459, independent: 459, independent conditional: 335, independent unconditional: 124, 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: 459, independent: 459, independent conditional: 21, independent unconditional: 438, 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: 459, independent: 459, independent conditional: 5, independent unconditional: 454, 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: 459, independent: 459, independent conditional: 5, independent unconditional: 454, 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: 0, independent unconditional: 172, 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: 459, independent: 287, independent conditional: 5, independent unconditional: 282, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 172, unknown conditional: 0, unknown unconditional: 172] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, 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: 16, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 459, independent: 459, independent conditional: 21, independent unconditional: 438, 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: 459, independent: 459, independent conditional: 5, independent unconditional: 454, 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: 459, independent: 459, independent conditional: 5, independent unconditional: 454, 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: 0, independent unconditional: 172, 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: 459, independent: 287, independent conditional: 5, independent unconditional: 282, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 172, unknown conditional: 0, unknown unconditional: 172] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 172, Positive conditional cache size: 0, Positive unconditional cache size: 172, 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: 16 ], Independence queries for same thread: 290 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 4398, independent: 3591, independent conditional: 2942, independent unconditional: 649, dependent: 807, dependent conditional: 544, dependent unconditional: 263, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3591, independent: 3591, independent conditional: 2942, independent unconditional: 649, 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: 3591, independent: 3591, independent conditional: 2942, independent unconditional: 649, 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: 3591, independent: 3591, independent conditional: 2942, independent unconditional: 649, 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: 3591, independent: 3591, independent conditional: 334, independent unconditional: 3257, 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: 3591, independent: 3591, independent conditional: 78, independent unconditional: 3513, 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: 3591, independent: 3591, independent conditional: 78, independent unconditional: 3513, 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: 606, independent: 606, independent conditional: 2, independent unconditional: 604, 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: 606, independent: 606, independent conditional: 0, independent unconditional: 606, 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: 3591, independent: 2985, independent conditional: 76, independent unconditional: 2909, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 606, unknown conditional: 2, unknown unconditional: 604] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 606, Positive conditional cache size: 2, Positive unconditional cache size: 604, 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: 256, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3591, independent: 3591, independent conditional: 334, independent unconditional: 3257, 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: 3591, independent: 3591, independent conditional: 78, independent unconditional: 3513, 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: 3591, independent: 3591, independent conditional: 78, independent unconditional: 3513, 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: 606, independent: 606, independent conditional: 2, independent unconditional: 604, 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: 606, independent: 606, independent conditional: 0, independent unconditional: 606, 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: 3591, independent: 2985, independent conditional: 76, independent unconditional: 2909, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 606, unknown conditional: 2, unknown unconditional: 604] , Statistics on independence cache: Total cache size (in pairs): 606, Positive cache size: 606, Positive conditional cache size: 2, Positive unconditional cache size: 604, 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: 256 ], Independence queries for same thread: 807 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13253, independent: 12359, independent conditional: 11615, independent unconditional: 744, dependent: 894, dependent conditional: 625, dependent unconditional: 269, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12359, independent: 12359, independent conditional: 11615, independent unconditional: 744, 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: 12359, independent: 12359, independent conditional: 11615, independent unconditional: 744, 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: 12359, independent: 12359, independent conditional: 11615, independent unconditional: 744, 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: 12359, independent: 12359, independent conditional: 1951, independent unconditional: 10408, 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: 12359, independent: 12359, independent conditional: 350, independent unconditional: 12009, 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: 12359, independent: 12359, independent conditional: 350, independent unconditional: 12009, 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: 1003, independent: 1003, independent conditional: 4, independent unconditional: 999, 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: 1003, independent: 1003, independent conditional: 0, independent unconditional: 1003, 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: 12359, independent: 11356, independent conditional: 346, independent unconditional: 11010, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1003, unknown conditional: 4, unknown unconditional: 999] , Statistics on independence cache: Total cache size (in pairs): 1003, Positive cache size: 1003, Positive conditional cache size: 4, Positive unconditional cache size: 999, 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: 1601, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12359, independent: 12359, independent conditional: 1951, independent unconditional: 10408, 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: 12359, independent: 12359, independent conditional: 350, independent unconditional: 12009, 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: 12359, independent: 12359, independent conditional: 350, independent unconditional: 12009, 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: 1003, independent: 1003, independent conditional: 4, independent unconditional: 999, 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: 1003, independent: 1003, independent conditional: 0, independent unconditional: 1003, 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: 12359, independent: 11356, independent conditional: 346, independent unconditional: 11010, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1003, unknown conditional: 4, unknown unconditional: 999] , Statistics on independence cache: Total cache size (in pairs): 1003, Positive cache size: 1003, Positive conditional cache size: 4, Positive unconditional cache size: 999, 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: 1601 ], Independence queries for same thread: 894 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16422, independent: 15504, independent conditional: 14720, independent unconditional: 784, dependent: 918, dependent conditional: 645, dependent unconditional: 273, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15504, independent: 15504, independent conditional: 14720, independent unconditional: 784, 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: 15504, independent: 15504, independent conditional: 14720, independent unconditional: 784, 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: 15504, independent: 15504, independent conditional: 14720, independent unconditional: 784, 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: 15504, independent: 15504, independent conditional: 2372, independent unconditional: 13132, 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: 15504, independent: 15504, independent conditional: 344, independent unconditional: 15160, 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: 15504, independent: 15504, independent conditional: 344, independent unconditional: 15160, 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: 1239, independent: 1239, independent conditional: 4, independent unconditional: 1235, 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: 1239, independent: 1239, independent conditional: 0, independent unconditional: 1239, 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: 15504, independent: 14265, independent conditional: 340, independent unconditional: 13925, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1239, unknown conditional: 4, unknown unconditional: 1235] , Statistics on independence cache: Total cache size (in pairs): 1239, Positive cache size: 1239, Positive conditional cache size: 4, Positive unconditional cache size: 1235, 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: 2028, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15504, independent: 15504, independent conditional: 2372, independent unconditional: 13132, 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: 15504, independent: 15504, independent conditional: 344, independent unconditional: 15160, 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: 15504, independent: 15504, independent conditional: 344, independent unconditional: 15160, 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: 1239, independent: 1239, independent conditional: 4, independent unconditional: 1235, 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: 1239, independent: 1239, independent conditional: 0, independent unconditional: 1239, 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: 15504, independent: 14265, independent conditional: 340, independent unconditional: 13925, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1239, unknown conditional: 4, unknown unconditional: 1235] , Statistics on independence cache: Total cache size (in pairs): 1239, Positive cache size: 1239, Positive conditional cache size: 4, Positive unconditional cache size: 1235, 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: 2028 ], Independence queries for same thread: 918 - 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 16827 for 699394ms.. - 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 16827 for 699394ms.. - 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: 0.2s, 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: 5.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.0s, 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, 3.9s 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: 48.8s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.8s, 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: 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 42.8s 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: 752.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 4.5s, 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: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.3s 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