/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -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-17da818-m [2024-05-05 01:40:49,734 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 01:40:49,792 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 01:40:49,796 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 01:40:49,796 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 01:40:49,825 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 01:40:49,825 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 01:40:49,825 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 01:40:49,826 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 01:40:49,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 01:40:49,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 01:40:49,829 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 01:40:49,829 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 01:40:49,831 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 01:40:49,831 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 01:40:49,831 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 01:40:49,831 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 01:40:49,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 01:40:49,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 01:40:49,831 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 01:40:49,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 01:40:49,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 01:40:49,832 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 01:40:49,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 01:40:49,832 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 01:40:49,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 01:40:49,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 01:40:49,833 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 01:40:49,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 01:40:49,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 01:40:49,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 01:40:49,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 01:40:49,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 01:40:49,834 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 01:40:49,835 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 01:40:49,835 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 01:40:49,835 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 01:40:49,835 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 01:40:49,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 01:40:49,835 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-05-05 01:40:50,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 01:40:50,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 01:40:50,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 01:40:50,051 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 01:40:50,051 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 01:40:50,052 INFO L431 ainManager$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 [2024-05-05 01:40:51,099 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 01:40:51,289 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 01:40:51,289 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/36_stack_cas_p0_vs_concur.i [2024-05-05 01:40:51,301 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ef7632b0d/d6348b8d6c084e618e45f35e35fba93b/FLAG63a09bc22 [2024-05-05 01:40:51,321 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ef7632b0d/d6348b8d6c084e618e45f35e35fba93b [2024-05-05 01:40:51,323 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 01:40:51,325 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 01:40:51,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 01:40:51,328 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 01:40:51,332 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 01:40:51,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b415408 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51, skipping insertion in model container [2024-05-05 01:40:51,334 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 01:40:51,609 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] [2024-05-05 01:40:51,616 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 01:40:51,626 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 01:40:51,718 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] [2024-05-05 01:40:51,719 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 01:40:51,756 INFO L206 MainTranslator]: Completed translation [2024-05-05 01:40:51,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51 WrapperNode [2024-05-05 01:40:51,757 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 01:40:51,758 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 01:40:51,758 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 01:40:51,758 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 01:40:51,763 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,775 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,795 INFO L138 Inliner]: procedures = 170, calls = 35, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 101 [2024-05-05 01:40:51,796 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 01:40:51,796 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 01:40:51,797 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 01:40:51,797 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 01:40:51,803 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,803 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,817 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,817 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,824 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,825 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,826 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 01:40:51,827 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 01:40:51,827 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 01:40:51,827 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 01:40:51,828 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (1/1) ... [2024-05-05 01:40:51,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 01:40:51,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:40:51,874 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 01:40:51,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 01:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 01:40:51,928 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2024-05-05 01:40:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2024-05-05 01:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 01:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 01:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 01:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 01:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 01:40:51,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 01:40:51,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 01:40:51,930 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 01:40:52,033 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 01:40:52,035 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 01:40:52,196 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 01:40:52,254 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 01:40:52,254 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-05 01:40:52,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 01:40:52 BoogieIcfgContainer [2024-05-05 01:40:52,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 01:40:52,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 01:40:52,259 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 01:40:52,262 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 01:40:52,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 01:40:51" (1/3) ... [2024-05-05 01:40:52,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e549746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 01:40:52, skipping insertion in model container [2024-05-05 01:40:52,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 01:40:51" (2/3) ... [2024-05-05 01:40:52,263 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e549746 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 01:40:52, skipping insertion in model container [2024-05-05 01:40:52,263 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 01:40:52" (3/3) ... [2024-05-05 01:40:52,264 INFO L112 eAbstractionObserver]: Analyzing ICFG 36_stack_cas_p0_vs_concur.i [2024-05-05 01:40:52,270 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 01:40:52,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 01:40:52,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 01:40:52,278 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 01:40:52,330 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 01:40:52,360 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 01:40:52,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 01:40:52,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:40:52,364 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 01:40:52,375 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 01:40:52,398 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 01:40:52,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:52,408 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 01:40:52,412 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;@3f788be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 01:40:52,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-05 01:40:52,451 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-05 01:40:52,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:52,452 INFO L85 PathProgramCache]: Analyzing trace with hash -302081931, now seen corresponding path program 1 times [2024-05-05 01:40:52,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:52,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605559908] [2024-05-05 01:40:52,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:52,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:52,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:52,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:52,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:52,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605559908] [2024-05-05 01:40:52,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605559908] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:40:52,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:40:52,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 01:40:52,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379892757] [2024-05-05 01:40:52,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:40:52,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 01:40:52,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:52,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 01:40:52,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 01:40:52,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:52,702 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:52,703 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) [2024-05-05 01:40:52,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:52,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 01:40:52,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-05 01:40:52,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:52,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1981811242, now seen corresponding path program 1 times [2024-05-05 01:40:52,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:52,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233784290] [2024-05-05 01:40:52,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:52,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:52,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:53,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:53,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:53,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233784290] [2024-05-05 01:40:53,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233784290] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:40:53,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:40:53,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-05 01:40:53,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015913169] [2024-05-05 01:40:53,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:40:53,040 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-05 01:40:53,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:53,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-05 01:40:53,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-05 01:40:53,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:53,045 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) [2024-05-05 01:40:53,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:40:53,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 01:40:53,108 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-05-05 01:40:53,108 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:53,108 INFO L85 PathProgramCache]: Analyzing trace with hash 1048898989, now seen corresponding path program 1 times [2024-05-05 01:40:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:53,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225382234] [2024-05-05 01:40:53,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:53,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:53,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 01:40:53,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 01:40:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 01:40:53,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 01:40:53,190 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 01:40:53,191 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 3 remaining) [2024-05-05 01:40:53,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2024-05-05 01:40:53,193 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2024-05-05 01:40:53,193 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 01:40:53,201 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-05-05 01:40:53,203 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 01:40:53,203 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-05-05 01:40:53,243 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 01:40:53,248 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 01:40:53,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 01:40:53,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:40:53,250 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) [2024-05-05 01:40:53,251 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 [2024-05-05 01:40:53,254 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 01:40:53,254 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:53,254 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 01:40:53,255 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;@3f788be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 01:40:53,255 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 01:40:53,295 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-05-05 01:40:53,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:53,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1266153497, now seen corresponding path program 1 times [2024-05-05 01:40:53,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:53,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692633950] [2024-05-05 01:40:53,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:53,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:53,337 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:53,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:53,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692633950] [2024-05-05 01:40:53,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692633950] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:40:53,338 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:40:53,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 01:40:53,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105163243] [2024-05-05 01:40:53,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:40:53,340 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 01:40:53,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:53,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 01:40:53,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 01:40:53,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,372 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:53,372 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) [2024-05-05 01:40:53,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-05 01:40:53,401 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)] === [2024-05-05 01:40:53,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:53,401 INFO L85 PathProgramCache]: Analyzing trace with hash -601908963, now seen corresponding path program 1 times [2024-05-05 01:40:53,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:53,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465291772] [2024-05-05 01:40:53,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:53,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:53,564 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 01:40:53,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:53,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465291772] [2024-05-05 01:40:53,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465291772] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:40:53,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:40:53,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-05 01:40:53,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380399922] [2024-05-05 01:40:53,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:40:53,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-05 01:40:53,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:53,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-05 01:40:53,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-05 01:40:53,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:53,576 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) [2024-05-05 01:40:53,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:53,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:40:53,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-05 01:40:53,633 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 1 more)] === [2024-05-05 01:40:53,633 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:53,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1367382447, now seen corresponding path program 1 times [2024-05-05 01:40:53,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:53,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951298117] [2024-05-05 01:40:53,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:53,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:53,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:54,297 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:54,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:54,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951298117] [2024-05-05 01:40:54,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [951298117] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:40:54,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1003725192] [2024-05-05 01:40:54,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:54,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:40:54,298 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:40:54,302 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) [2024-05-05 01:40:54,332 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 01:40:54,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:54,404 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 33 conjunts are in the unsatisfiable core [2024-05-05 01:40:54,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:40:54,464 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 [2024-05-05 01:40:54,549 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 01:40:54,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-05-05 01:40:54,590 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 [2024-05-05 01:40:54,703 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 [2024-05-05 01:40:54,891 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-05-05 01:40:54,892 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 [2024-05-05 01:40:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:55,037 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:40:55,467 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:55,467 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 [2024-05-05 01:40:55,477 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:55,477 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 [2024-05-05 01:40:55,644 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:55,645 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 [2024-05-05 01:40:55,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1569 treesize of output 1553 [2024-05-05 01:40:55,821 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 [2024-05-05 01:40:55,857 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 [2024-05-05 01:40:56,247 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 [2024-05-05 01:40:56,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:56,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1003725192] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:40:56,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:40:56,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-05-05 01:40:56,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204440716] [2024-05-05 01:40:56,475 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:40:56,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-05 01:40:56,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:56,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-05 01:40:56,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=861, Unknown=14, NotChecked=0, Total=992 [2024-05-05 01:40:56,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:56,485 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:56,485 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) [2024-05-05 01:40:56,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:56,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:40:56,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:57,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:40:57,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:40:57,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-05 01:40:57,241 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 [2024-05-05 01:40:57,241 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)] === [2024-05-05 01:40:57,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:57,242 INFO L85 PathProgramCache]: Analyzing trace with hash 72255999, now seen corresponding path program 1 times [2024-05-05 01:40:57,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:57,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994853251] [2024-05-05 01:40:57,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:57,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:57,420 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:57,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:57,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994853251] [2024-05-05 01:40:57,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994853251] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:40:57,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342053733] [2024-05-05 01:40:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:57,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:40:57,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:40:57,421 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) [2024-05-05 01:40:57,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 01:40:57,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:57,541 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-05 01:40:57,546 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:40:57,608 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 [2024-05-05 01:40:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:57,619 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:40:57,633 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:57,634 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 [2024-05-05 01:40:57,640 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:57,640 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 [2024-05-05 01:40:57,658 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 [2024-05-05 01:40:57,660 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 [2024-05-05 01:40:57,758 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:57,758 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 [2024-05-05 01:40:57,823 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:57,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342053733] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:40:57,824 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:40:57,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-05-05 01:40:57,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188682931] [2024-05-05 01:40:57,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:40:57,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-05 01:40:57,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:57,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-05 01:40:57,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-05 01:40:57,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:57,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:57,834 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) [2024-05-05 01:40:57,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:57,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:40:57,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:40:57,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:40:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:40:57,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 01:40:57,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 01:40:58,117 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 [2024-05-05 01:40:58,117 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)] === [2024-05-05 01:40:58,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:58,118 INFO L85 PathProgramCache]: Analyzing trace with hash 1402942486, now seen corresponding path program 1 times [2024-05-05 01:40:58,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:58,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159545700] [2024-05-05 01:40:58,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:58,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 01:40:58,140 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 01:40:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 01:40:58,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 01:40:58,162 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 01:40:58,162 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 4 remaining) [2024-05-05 01:40:58,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2024-05-05 01:40:58,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 4 remaining) [2024-05-05 01:40:58,162 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2024-05-05 01:40:58,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-05 01:40:58,163 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-05-05 01:40:58,163 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 01:40:58,164 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-05-05 01:40:58,194 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 01:40:58,200 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 01:40:58,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 01:40:58,200 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:40:58,204 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) [2024-05-05 01:40:58,211 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 01:40:58,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:58,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 01:40:58,211 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;@3f788be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 01:40:58,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 01:40:58,222 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 01:40:58,223 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:58,223 INFO L85 PathProgramCache]: Analyzing trace with hash 1941718777, now seen corresponding path program 1 times [2024-05-05 01:40:58,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:58,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1591062956] [2024-05-05 01:40:58,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:58,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:58,226 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 [2024-05-05 01:40:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:58,242 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:58,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:58,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1591062956] [2024-05-05 01:40:58,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1591062956] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:40:58,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:40:58,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 01:40:58,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41434246] [2024-05-05 01:40:58,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:40:58,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 01:40:58,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:58,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 01:40:58,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 01:40:58,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:58,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:58,260 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) [2024-05-05 01:40:58,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:58,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:58,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-05 01:40:58,274 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)] === [2024-05-05 01:40:58,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:58,274 INFO L85 PathProgramCache]: Analyzing trace with hash 471769321, now seen corresponding path program 1 times [2024-05-05 01:40:58,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:58,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514745963] [2024-05-05 01:40:58,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:58,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:58,380 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-05 01:40:58,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:58,380 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514745963] [2024-05-05 01:40:58,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514745963] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:40:58,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:40:58,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-05 01:40:58,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740488476] [2024-05-05 01:40:58,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:40:58,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-05 01:40:58,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:40:58,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-05 01:40:58,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-05 01:40:58,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:58,386 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:40:58,386 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) [2024-05-05 01:40:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:58,386 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:40:58,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:40:58,415 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-05-05 01:40:58,415 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 01:40:58,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:40:58,416 INFO L85 PathProgramCache]: Analyzing trace with hash 995868334, now seen corresponding path program 1 times [2024-05-05 01:40:58,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:40:58,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274757251] [2024-05-05 01:40:58,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:58,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:40:58,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:58,908 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:58,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:40:58,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274757251] [2024-05-05 01:40:58,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274757251] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:40:58,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [946271675] [2024-05-05 01:40:58,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:40:58,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:40:58,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:40:58,912 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) [2024-05-05 01:40:58,935 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 01:40:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:40:59,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-05 01:40:59,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:40:59,044 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 [2024-05-05 01:40:59,096 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 01:40:59,097 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 [2024-05-05 01:40:59,125 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 [2024-05-05 01:40:59,191 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 [2024-05-05 01:40:59,350 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-05-05 01:40:59,350 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 [2024-05-05 01:40:59,460 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:40:59,460 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:40:59,719 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 [2024-05-05 01:40:59,756 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:59,756 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 [2024-05-05 01:40:59,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:59,765 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 [2024-05-05 01:40:59,830 INFO L349 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2024-05-05 01:40:59,831 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 [2024-05-05 01:40:59,847 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 357 treesize of output 341 [2024-05-05 01:40:59,901 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 [2024-05-05 01:40:59,921 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:40:59,921 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 [2024-05-05 01:40:59,935 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 [2024-05-05 01:40:59,986 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 [2024-05-05 01:41:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-05-05 01:41:00,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [946271675] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:00,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:00,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-05-05 01:41:00,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860981415] [2024-05-05 01:41:00,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:00,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-05 01:41:00,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:00,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-05 01:41:00,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=4, NotChecked=58, Total=992 [2024-05-05 01:41:00,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:00,168 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:00,168 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) [2024-05-05 01:41:00,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:00,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:00,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:00,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:00,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:00,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 01:41:00,976 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 [2024-05-05 01:41:00,976 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)] === [2024-05-05 01:41:00,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:00,977 INFO L85 PathProgramCache]: Analyzing trace with hash -3634373, now seen corresponding path program 1 times [2024-05-05 01:41:00,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:00,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278845876] [2024-05-05 01:41:00,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:00,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:01,150 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 01:41:01,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:01,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278845876] [2024-05-05 01:41:01,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278845876] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:01,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [893489591] [2024-05-05 01:41:01,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:01,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:01,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:01,152 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) [2024-05-05 01:41:01,157 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 01:41:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:01,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-05 01:41:01,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:01,369 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 [2024-05-05 01:41:01,379 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 01:41:01,379 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:01,393 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:01,393 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 [2024-05-05 01:41:01,401 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:01,401 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 [2024-05-05 01:41:01,417 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 [2024-05-05 01:41:01,420 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 [2024-05-05 01:41:01,539 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:01,540 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 [2024-05-05 01:41:01,601 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 34 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-05 01:41:01,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [893489591] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:01,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:01,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-05-05 01:41:01,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220803758] [2024-05-05 01:41:01,603 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:01,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-05 01:41:01,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:01,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-05 01:41:01,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-05 01:41:01,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:01,618 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:01,619 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) [2024-05-05 01:41:01,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:01,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:01,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:01,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:01,774 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-05 01:41:01,971 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 [2024-05-05 01:41:01,972 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 01:41:01,972 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:01,972 INFO L85 PathProgramCache]: Analyzing trace with hash -730832999, now seen corresponding path program 1 times [2024-05-05 01:41:01,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:01,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785342020] [2024-05-05 01:41:01,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:01,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:02,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:02,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785342020] [2024-05-05 01:41:02,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785342020] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:02,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930953569] [2024-05-05 01:41:02,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:02,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:02,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:02,167 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) [2024-05-05 01:41:02,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-05 01:41:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:02,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-05 01:41:02,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:02,391 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 [2024-05-05 01:41:02,399 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 [2024-05-05 01:41:02,407 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:02,407 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:02,431 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:02,432 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 [2024-05-05 01:41:02,436 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 [2024-05-05 01:41:02,450 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 [2024-05-05 01:41:02,453 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 [2024-05-05 01:41:02,455 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 [2024-05-05 01:41:02,511 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:02,512 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 [2024-05-05 01:41:02,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:02,662 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 [2024-05-05 01:41:02,725 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:02,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930953569] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:02,725 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:02,725 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2024-05-05 01:41:02,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420481767] [2024-05-05 01:41:02,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:02,726 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 01:41:02,726 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:02,751 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 01:41:02,751 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-05-05 01:41:02,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:02,752 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:02,752 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) [2024-05-05 01:41:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:02,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 01:41:02,892 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-05 01:41:03,092 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 [2024-05-05 01:41:03,094 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] === [2024-05-05 01:41:03,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:03,094 INFO L85 PathProgramCache]: Analyzing trace with hash -239207699, now seen corresponding path program 1 times [2024-05-05 01:41:03,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:03,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198024601] [2024-05-05 01:41:03,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:03,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:04,155 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:04,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198024601] [2024-05-05 01:41:04,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198024601] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:04,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [487223202] [2024-05-05 01:41:04,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:04,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:04,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:04,156 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) [2024-05-05 01:41:04,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-05 01:41:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:04,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-05 01:41:04,311 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:04,323 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 [2024-05-05 01:41:04,378 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-05 01:41:04,378 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 [2024-05-05 01:41:04,396 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-05 01:41:04,396 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 [2024-05-05 01:41:04,406 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 [2024-05-05 01:41:04,467 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 [2024-05-05 01:41:04,729 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 [2024-05-05 01:41:04,764 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 [2024-05-05 01:41:04,838 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 01:41:04,838 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 [2024-05-05 01:41:04,897 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 [2024-05-05 01:41:05,026 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 [2024-05-05 01:41:05,179 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-05-05 01:41:05,179 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 [2024-05-05 01:41:05,493 INFO L349 Elim1Store]: treesize reduction 42, result has 35.4 percent of original size [2024-05-05 01:41:05,493 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 [2024-05-05 01:41:05,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:05,600 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 [2024-05-05 01:41:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:05,604 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:06,494 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 [2024-05-05 01:41:06,610 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:06,610 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 [2024-05-05 01:41:06,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:06,615 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 [2024-05-05 01:41:10,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:10,880 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 [2024-05-05 01:41:15,539 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 [2024-05-05 01:41:16,905 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 [2024-05-05 01:41:18,754 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:18,755 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 [2024-05-05 01:41:19,520 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 [2024-05-05 01:41:20,274 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 [2024-05-05 01:41:21,081 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:21,083 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 [2024-05-05 01:41:21,876 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 [2024-05-05 01:41:22,705 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 [2024-05-05 01:41:37,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2024-05-05 01:41:37,887 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:37,887 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 [2024-05-05 01:41:37,894 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:37,894 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 [2024-05-05 01:41:37,937 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 [2024-05-05 01:41:37,943 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 [2024-05-05 01:41:37,952 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 [2024-05-05 01:41:37,955 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 [2024-05-05 01:41:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 8 not checked. [2024-05-05 01:41:38,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [487223202] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:38,701 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:38,701 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 23] total 63 [2024-05-05 01:41:38,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586214385] [2024-05-05 01:41:38,701 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:38,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-05 01:41:38,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:38,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-05 01:41:38,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=367, Invalid=3411, Unknown=8, NotChecked=120, Total=3906 [2024-05-05 01:41:38,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:38,726 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:38,727 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) [2024-05-05 01:41:38,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:38,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:38,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:38,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:38,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-05 01:41:38,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:40,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 01:41:40,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-05 01:41:40,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-05 01:41:41,104 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 [2024-05-05 01:41:41,104 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)] === [2024-05-05 01:41:41,104 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:41,105 INFO L85 PathProgramCache]: Analyzing trace with hash 1616846464, now seen corresponding path program 1 times [2024-05-05 01:41:41,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:41,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149959425] [2024-05-05 01:41:41,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:41,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:41,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:41,344 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:41,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:41,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149959425] [2024-05-05 01:41:41,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149959425] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:41,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [823798986] [2024-05-05 01:41:41,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:41,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:41,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:41,345 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) [2024-05-05 01:41:41,347 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-05 01:41:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:41,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-05 01:41:41,521 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:41,617 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 [2024-05-05 01:41:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:41,632 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:41,659 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:41,660 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 [2024-05-05 01:41:41,666 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:41,666 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 [2024-05-05 01:41:41,683 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 [2024-05-05 01:41:41,684 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 [2024-05-05 01:41:41,779 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:41,780 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 [2024-05-05 01:41:41,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:41,877 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 [2024-05-05 01:41:41,995 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:41,995 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 [2024-05-05 01:41:42,068 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:42,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [823798986] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:42,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:42,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-05-05 01:41:42,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383683854] [2024-05-05 01:41:42,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:42,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-05 01:41:42,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:42,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-05 01:41:42,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-05-05 01:41:42,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,090 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:42,090 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) [2024-05-05 01:41:42,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:42,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:42,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:42,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-05 01:41:42,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-05 01:41:42,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 01:41:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-05 01:41:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 01:41:42,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-05 01:41:42,399 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 [2024-05-05 01:41:42,400 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)] === [2024-05-05 01:41:42,400 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:42,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1868410036, now seen corresponding path program 1 times [2024-05-05 01:41:42,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:42,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721305322] [2024-05-05 01:41:42,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:42,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:42,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 01:41:42,439 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 01:41:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 01:41:42,492 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-05 01:41:42,492 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-05 01:41:42,492 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-05-05 01:41:42,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-05-05 01:41:42,492 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-05-05 01:41:42,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-05-05 01:41:42,493 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-05-05 01:41:42,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-05-05 01:41:42,495 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 01:41:42,495 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-05-05 01:41:42,495 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-05-05 01:41:42,525 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 01:41:42,527 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 01:41:42,527 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 01:41:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:42,528 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) [2024-05-05 01:41:42,531 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 [2024-05-05 01:41:42,534 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 01:41:42,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:42,535 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 01:41:42,535 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;@3f788be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 01:41:42,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-05 01:41:42,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 01:41:42,544 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:42,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1607898375, now seen corresponding path program 1 times [2024-05-05 01:41:42,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:42,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986754385] [2024-05-05 01:41:42,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:42,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:42,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:42,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:42,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986754385] [2024-05-05 01:41:42,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986754385] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:41:42,559 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:41:42,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 01:41:42,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390698290] [2024-05-05 01:41:42,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:41:42,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 01:41:42,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:42,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 01:41:42,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 01:41:42,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,568 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:42,568 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) [2024-05-05 01:41:42,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,583 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-05-05 01:41:42,583 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)] === [2024-05-05 01:41:42,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:42,583 INFO L85 PathProgramCache]: Analyzing trace with hash 2099292123, now seen corresponding path program 1 times [2024-05-05 01:41:42,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:42,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159930027] [2024-05-05 01:41:42,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:42,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-05 01:41:42,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:42,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159930027] [2024-05-05 01:41:42,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159930027] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 01:41:42,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 01:41:42,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-05 01:41:42,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214029234] [2024-05-05 01:41:42,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 01:41:42,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-05 01:41:42,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:42,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-05 01:41:42,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-05-05 01:41:42,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:42,668 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) [2024-05-05 01:41:42,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:42,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:42,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-05-05 01:41:42,698 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 01:41:42,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:42,698 INFO L85 PathProgramCache]: Analyzing trace with hash -4260850, now seen corresponding path program 1 times [2024-05-05 01:41:42,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:42,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173677266] [2024-05-05 01:41:42,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:42,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:43,028 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:43,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:43,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173677266] [2024-05-05 01:41:43,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173677266] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:43,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1903956119] [2024-05-05 01:41:43,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:43,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:43,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:43,031 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) [2024-05-05 01:41:43,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-05 01:41:43,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:43,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 29 conjunts are in the unsatisfiable core [2024-05-05 01:41:43,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:43,195 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 [2024-05-05 01:41:43,250 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-05-05 01:41:43,250 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 [2024-05-05 01:41:43,275 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 [2024-05-05 01:41:43,348 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 [2024-05-05 01:41:43,495 INFO L349 Elim1Store]: treesize reduction 70, result has 17.6 percent of original size [2024-05-05 01:41:43,495 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 [2024-05-05 01:41:43,596 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:43,596 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:43,828 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 [2024-05-05 01:41:43,859 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:43,860 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 [2024-05-05 01:41:43,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:43,868 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 [2024-05-05 01:41:43,927 INFO L349 Elim1Store]: treesize reduction 32, result has 54.9 percent of original size [2024-05-05 01:41:43,928 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 [2024-05-05 01:41:43,940 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 [2024-05-05 01:41:43,999 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 [2024-05-05 01:41:44,015 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:44,015 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 [2024-05-05 01:41:44,027 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 [2024-05-05 01:41:44,072 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 [2024-05-05 01:41:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 4 not checked. [2024-05-05 01:41:44,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1903956119] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:44,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:44,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 12] total 32 [2024-05-05 01:41:44,255 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577570125] [2024-05-05 01:41:44,255 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:44,255 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-05 01:41:44,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:44,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-05 01:41:44,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=815, Unknown=4, NotChecked=58, Total=992 [2024-05-05 01:41:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:44,260 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:44,260 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) [2024-05-05 01:41:44,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:44,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:44,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:44,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:44,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-05 01:41:45,104 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 [2024-05-05 01:41:45,104 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)] === [2024-05-05 01:41:45,105 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:45,105 INFO L85 PathProgramCache]: Analyzing trace with hash 725840073, now seen corresponding path program 1 times [2024-05-05 01:41:45,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:45,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418599047] [2024-05-05 01:41:45,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:45,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:45,259 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-05 01:41:45,260 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:45,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418599047] [2024-05-05 01:41:45,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418599047] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:45,260 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685645854] [2024-05-05 01:41:45,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:45,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:45,260 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:45,261 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) [2024-05-05 01:41:45,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-05 01:41:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:45,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-05 01:41:45,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:45,523 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 [2024-05-05 01:41:45,536 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-05 01:41:45,536 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:45,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:45,548 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 [2024-05-05 01:41:45,553 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:45,553 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 [2024-05-05 01:41:45,565 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 [2024-05-05 01:41:45,568 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 [2024-05-05 01:41:45,648 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:45,648 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 [2024-05-05 01:41:45,698 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-05-05 01:41:45,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685645854] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:45,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:45,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2024-05-05 01:41:45,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091371961] [2024-05-05 01:41:45,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:45,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-05 01:41:45,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:45,708 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-05 01:41:45,708 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-05-05 01:41:45,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:45,709 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:45,709 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) [2024-05-05 01:41:45,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:45,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:45,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:45,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:45,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:45,840 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-05 01:41:46,039 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 [2024-05-05 01:41:46,039 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 01:41:46,040 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:46,040 INFO L85 PathProgramCache]: Analyzing trace with hash -34802855, now seen corresponding path program 1 times [2024-05-05 01:41:46,040 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:46,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448954601] [2024-05-05 01:41:46,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:46,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:46,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:46,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448954601] [2024-05-05 01:41:46,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448954601] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:46,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333256399] [2024-05-05 01:41:46,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:46,181 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:46,181 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:46,185 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) [2024-05-05 01:41:46,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-05 01:41:46,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:46,380 INFO L262 TraceCheckSpWp]: Trace formula consists of 347 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-05 01:41:46,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:46,455 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 [2024-05-05 01:41:46,469 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:46,469 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:46,495 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:46,496 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 [2024-05-05 01:41:46,503 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:46,503 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 [2024-05-05 01:41:46,520 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 [2024-05-05 01:41:46,522 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 [2024-05-05 01:41:46,577 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:46,577 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 [2024-05-05 01:41:46,693 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:46,694 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 [2024-05-05 01:41:46,758 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:46,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333256399] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:41:46,758 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:41:46,758 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-05 01:41:46,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547844887] [2024-05-05 01:41:46,758 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:41:46,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-05 01:41:46,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:41:46,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-05 01:41:46,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-05-05 01:41:46,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:46,771 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:41:46,771 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) [2024-05-05 01:41:46,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:46,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:46,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:46,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:46,771 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:41:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:41:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:41:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:41:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 01:41:46,918 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-05-05 01:41:47,112 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 [2024-05-05 01:41:47,115 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 01:41:47,115 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:41:47,115 INFO L85 PathProgramCache]: Analyzing trace with hash 2000002189, now seen corresponding path program 1 times [2024-05-05 01:41:47,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:41:47,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1481321929] [2024-05-05 01:41:47,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:47,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:41:47,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:47,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:41:47,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1481321929] [2024-05-05 01:41:47,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1481321929] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:41:47,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400214276] [2024-05-05 01:41:47,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:41:47,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:41:47,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:41:47,956 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) [2024-05-05 01:41:47,958 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-05 01:41:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:41:48,145 INFO L262 TraceCheckSpWp]: Trace formula consists of 345 conjuncts, 53 conjunts are in the unsatisfiable core [2024-05-05 01:41:48,148 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:41:48,161 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 [2024-05-05 01:41:48,226 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-05 01:41:48,227 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 [2024-05-05 01:41:48,247 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-05 01:41:48,247 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 [2024-05-05 01:41:48,263 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 [2024-05-05 01:41:48,293 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 [2024-05-05 01:41:48,527 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 [2024-05-05 01:41:48,563 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 [2024-05-05 01:41:48,630 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-05-05 01:41:48,630 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 [2024-05-05 01:41:48,679 INFO L349 Elim1Store]: treesize reduction 40, result has 32.2 percent of original size [2024-05-05 01:41:48,679 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 [2024-05-05 01:41:48,725 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 [2024-05-05 01:41:48,890 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 [2024-05-05 01:41:49,080 INFO L349 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2024-05-05 01:41:49,080 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 [2024-05-05 01:41:49,127 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 [2024-05-05 01:41:49,336 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-05-05 01:41:49,336 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 [2024-05-05 01:41:49,559 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:49,559 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 [2024-05-05 01:41:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:41:49,640 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:41:49,822 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse2 (select |c_#memory_int| |c_~#top~0.base|))) (let ((.cse0 (= (select .cse2 |c_~#top~0.offset|) |c_thr1Thread2of4ForFork0_push_#t~mem6#1|))) (and (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))) .cse0) (or (not (= (select (select (let ((.cse1 (store |c_#memory_int| |c_~#top~0.base| (store .cse2 |c_~#top~0.offset| (select (select |c_#memory_int| |c_thr1Thread2of4ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread2of4ForFork0_push_~#newTop~0#1.offset|))))) (store .cse1 |c_thr1Thread2of4ForFork0_push_~#ret~0#1.base| (store (select .cse1 |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 .cse0))))) is different from false [2024-05-05 01:41:49,902 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 [2024-05-05 01:41:50,134 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:50,134 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 [2024-05-05 01:41:50,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:50,145 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 [2024-05-05 01:41:51,403 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:51,407 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 [2024-05-05 01:41:52,862 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 [2024-05-05 01:41:53,047 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 [2024-05-05 01:41:53,197 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 [2024-05-05 01:41:53,350 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 [2024-05-05 01:41:53,524 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 [2024-05-05 01:41:56,718 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 [2024-05-05 01:41:57,847 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:57,847 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 [2024-05-05 01:41:57,856 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:41:57,856 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 [2024-05-05 01:41:57,904 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 [2024-05-05 01:41:57,944 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 [2024-05-05 01:42:00,194 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 29 refuted. 4 times theorem prover too weak. 0 trivial. 2 not checked. [2024-05-05 01:42:00,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400214276] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:42:00,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:42:00,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 23, 21] total 61 [2024-05-05 01:42:00,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410584781] [2024-05-05 01:42:00,195 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:42:00,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-05 01:42:00,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:42:00,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-05 01:42:00,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=3109, Unknown=24, NotChecked=230, Total=3660 [2024-05-05 01:42:00,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:00,220 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:42:00,220 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) [2024-05-05 01:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-05 01:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:42:00,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-05 01:42:00,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:03,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:42:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 01:42:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:42:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 01:42:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-05 01:42:03,057 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-05 01:42:03,248 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 [2024-05-05 01:42:03,248 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 01:42:03,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:42:03,249 INFO L85 PathProgramCache]: Analyzing trace with hash -166314938, now seen corresponding path program 1 times [2024-05-05 01:42:03,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:42:03,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975170714] [2024-05-05 01:42:03,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:42:03,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:42:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:42:03,439 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:42:03,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:42:03,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975170714] [2024-05-05 01:42:03,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975170714] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:42:03,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195682265] [2024-05-05 01:42:03,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:42:03,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:42:03,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:42:03,441 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) [2024-05-05 01:42:03,444 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-05 01:42:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:42:03,658 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-05 01:42:03,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:42:03,775 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 [2024-05-05 01:42:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:42:03,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 01:42:03,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:42:03,814 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 [2024-05-05 01:42:03,819 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:42:03,819 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 [2024-05-05 01:42:03,834 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 [2024-05-05 01:42:03,837 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 [2024-05-05 01:42:03,914 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:42:03,914 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 [2024-05-05 01:42:03,975 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:42:03,976 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 [2024-05-05 01:42:04,078 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 01:42:04,078 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 [2024-05-05 01:42:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 42 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:42:04,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195682265] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 01:42:04,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 01:42:04,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2024-05-05 01:42:04,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155513247] [2024-05-05 01:42:04,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 01:42:04,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-05-05 01:42:04,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 01:42:04,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-05-05 01:42:04,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-05-05 01:42:04,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:04,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 01:42:04,184 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) [2024-05-05 01:42:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:42:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 01:42:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:42:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-05 01:42:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-05 01:42:04,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 01:42:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 01:42:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 01:42:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 01:42:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 01:42:04,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-05 01:42:04,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 01:42:04,331 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-05 01:42:04,529 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 [2024-05-05 01:42:04,529 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2024-05-05 01:42:04,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 01:42:04,530 INFO L85 PathProgramCache]: Analyzing trace with hash 591386394, now seen corresponding path program 1 times [2024-05-05 01:42:04,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 01:42:04,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089419813] [2024-05-05 01:42:04,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:42:04,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 01:42:04,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:42:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 01:42:06,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 01:42:06,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089419813] [2024-05-05 01:42:06,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089419813] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 01:42:06,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229192421] [2024-05-05 01:42:06,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 01:42:06,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 01:42:06,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 01:42:06,668 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) [2024-05-05 01:42:06,670 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-05 01:42:06,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 01:42:06,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 73 conjunts are in the unsatisfiable core [2024-05-05 01:42:06,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 01:42:06,941 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 [2024-05-05 01:42:07,026 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-05 01:42:07,026 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 [2024-05-05 01:42:07,071 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-05-05 01:42:07,071 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 [2024-05-05 01:42:07,322 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 [2024-05-05 01:42:07,358 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 [2024-05-05 01:42:07,448 INFO L349 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2024-05-05 01:42:07,449 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 [2024-05-05 01:42:07,513 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-05-05 01:42:07,513 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 [2024-05-05 01:42:07,568 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 [2024-05-05 01:42:07,749 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 [2024-05-05 01:42:07,900 INFO L349 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2024-05-05 01:42:07,900 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 [2024-05-05 01:42:08,025 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 [2024-05-05 01:42:08,649 INFO L349 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2024-05-05 01:42:08,649 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 [2024-05-05 01:42:08,661 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2024-05-05 01:42:08,661 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 [2024-05-05 01:42:09,677 INFO L349 Elim1Store]: treesize reduction 56, result has 68.4 percent of original size [2024-05-05 01:42:09,678 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... [2024-05-05 01:54:40,384 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 [2024-05-05 01:54:40,389 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 [2024-05-05 01:54:40,390 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 [2024-05-05 01:54:40,390 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 01:54:40,390 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 01:54:40,397 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 [2024-05-05 01:54:40,426 WARN L235 SmtUtils]: Removed 372 from assertion stack [2024-05-05 01:54:40,428 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-05-05 01:54:40,434 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-05 01:54:40,634 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 [2024-05-05 01:54:40,634 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 729545ms.. [2024-05-05 01:54:40,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-05-05 01:54:40,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-05-05 01:54:40,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-05-05 01:54:40,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-05-05 01:54:40,634 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-05-05 01:54:40,635 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-05-05 01:54:40,638 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 4 thread instances [2024-05-05 01:54:40,638 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 01:54:40,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 01:54:40 BasicIcfg [2024-05-05 01:54:40,640 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 01:54:40,641 INFO L158 Benchmark]: Toolchain (without parser) took 829315.72ms. Allocated memory was 180.4MB in the beginning and 1.3GB in the end (delta: 1.2GB). Free memory was 109.5MB in the beginning and 661.3MB in the end (delta: -551.7MB). Peak memory consumption was 820.2MB. Max. memory is 8.0GB. [2024-05-05 01:54:40,641 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 01:54:40,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.40ms. Allocated memory was 180.4MB in the beginning and 278.9MB in the end (delta: 98.6MB). Free memory was 109.3MB in the beginning and 240.7MB in the end (delta: -131.4MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. [2024-05-05 01:54:40,641 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.73ms. Allocated memory is still 278.9MB. Free memory was 240.7MB in the beginning and 238.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 01:54:40,641 INFO L158 Benchmark]: Boogie Preprocessor took 29.97ms. Allocated memory is still 278.9MB. Free memory was 238.6MB in the beginning and 237.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 01:54:40,641 INFO L158 Benchmark]: RCFGBuilder took 430.23ms. Allocated memory is still 278.9MB. Free memory was 236.5MB in the beginning and 216.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-05 01:54:40,641 INFO L158 Benchmark]: TraceAbstraction took 828381.10ms. Allocated memory was 278.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 215.0MB in the beginning and 661.3MB in the end (delta: -446.2MB). Peak memory consumption was 827.3MB. Max. memory is 8.0GB. [2024-05-05 01:54:40,642 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 180.4MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 429.40ms. Allocated memory was 180.4MB in the beginning and 278.9MB in the end (delta: 98.6MB). Free memory was 109.3MB in the beginning and 240.7MB in the end (delta: -131.4MB). Peak memory consumption was 19.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.73ms. Allocated memory is still 278.9MB. Free memory was 240.7MB in the beginning and 238.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.97ms. Allocated memory is still 278.9MB. Free memory was 238.6MB in the beginning and 237.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 430.23ms. Allocated memory is still 278.9MB. Free memory was 236.5MB in the beginning and 216.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 828381.10ms. Allocated memory was 278.9MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 215.0MB in the beginning and 661.3MB in the end (delta: -446.2MB). Peak memory consumption was 827.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 375, independent: 280, independent conditional: 213, independent unconditional: 67, dependent: 95, dependent conditional: 95, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 213, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 213, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 213, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 56, independent unconditional: 224, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 280, independent: 280, independent conditional: 46, independent unconditional: 234, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 46, independent unconditional: 234, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 170, independent: 170, independent conditional: 21, independent unconditional: 149, 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: 170, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 280, independent: 110, independent conditional: 25, independent unconditional: 85, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 170, unknown conditional: 21, unknown unconditional: 149] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 170, Positive conditional cache size: 21, Positive unconditional cache size: 149, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 56, independent unconditional: 224, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 280, independent: 280, independent conditional: 46, independent unconditional: 234, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 280, independent: 280, independent conditional: 46, independent unconditional: 234, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 170, independent: 170, independent conditional: 21, independent unconditional: 149, 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: 170, independent: 170, independent conditional: 0, independent unconditional: 170, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 280, independent: 110, independent conditional: 25, independent unconditional: 85, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 170, unknown conditional: 21, unknown unconditional: 149] , Statistics on independence cache: Total cache size (in pairs): 170, Positive cache size: 170, Positive conditional cache size: 21, Positive unconditional cache size: 149, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10 ], Independence queries for same thread: 95 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2387, independent: 2120, independent conditional: 2053, independent unconditional: 67, dependent: 267, dependent conditional: 267, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 2053, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 2053, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 2053, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 755, independent unconditional: 1365, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 641, independent: 641, independent conditional: 165, independent unconditional: 476, 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: 641, independent: 641, independent conditional: 0, independent unconditional: 641, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2120, independent: 1479, independent conditional: 386, independent unconditional: 1093, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 641, unknown conditional: 165, unknown unconditional: 476] , Statistics on independence cache: Total cache size (in pairs): 641, Positive cache size: 641, Positive conditional cache size: 165, Positive unconditional cache size: 476, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 204, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 755, independent unconditional: 1365, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2120, independent: 2120, independent conditional: 551, independent unconditional: 1569, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 641, independent: 641, independent conditional: 165, independent unconditional: 476, 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: 641, independent: 641, independent conditional: 0, independent unconditional: 641, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2120, independent: 1479, independent conditional: 386, independent unconditional: 1093, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 641, unknown conditional: 165, unknown unconditional: 476] , Statistics on independence cache: Total cache size (in pairs): 641, Positive cache size: 641, Positive conditional cache size: 165, Positive unconditional cache size: 476, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 204 ], Independence queries for same thread: 267 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7291, independent: 6990, independent conditional: 6923, independent unconditional: 67, dependent: 301, dependent conditional: 301, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 6923, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 6923, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 6923, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 2104, independent unconditional: 4886, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1065, independent: 1065, independent conditional: 213, independent unconditional: 852, 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: 1065, independent: 1065, independent conditional: 0, independent unconditional: 1065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6990, independent: 5925, independent conditional: 714, independent unconditional: 5211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1065, unknown conditional: 213, unknown unconditional: 852] , Statistics on independence cache: Total cache size (in pairs): 1065, Positive cache size: 1065, Positive conditional cache size: 213, Positive unconditional cache size: 852, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1177, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 2104, independent unconditional: 4886, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6990, independent: 6990, independent conditional: 927, independent unconditional: 6063, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1065, independent: 1065, independent conditional: 213, independent unconditional: 852, 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: 1065, independent: 1065, independent conditional: 0, independent unconditional: 1065, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6990, independent: 5925, independent conditional: 714, independent unconditional: 5211, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1065, unknown conditional: 213, unknown unconditional: 852] , Statistics on independence cache: Total cache size (in pairs): 1065, Positive cache size: 1065, Positive conditional cache size: 213, Positive unconditional cache size: 852, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1177 ], Independence queries for same thread: 301 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8830, independent: 8521, independent conditional: 8454, independent unconditional: 67, dependent: 309, dependent conditional: 309, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 8454, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 8454, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 8454, independent unconditional: 67, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 2308, independent unconditional: 6213, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1273, independent: 1273, independent conditional: 243, independent unconditional: 1030, 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: 1273, independent: 1273, independent conditional: 0, independent unconditional: 1273, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8521, independent: 7248, independent conditional: 893, independent unconditional: 6355, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1273, unknown conditional: 243, unknown unconditional: 1030] , Statistics on independence cache: Total cache size (in pairs): 1273, Positive cache size: 1273, Positive conditional cache size: 243, Positive unconditional cache size: 1030, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1172, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 2308, independent unconditional: 6213, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 8521, independent: 8521, independent conditional: 1136, independent unconditional: 7385, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1273, independent: 1273, independent conditional: 243, independent unconditional: 1030, 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: 1273, independent: 1273, independent conditional: 0, independent unconditional: 1273, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 8521, independent: 7248, independent conditional: 893, independent unconditional: 6355, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1273, unknown conditional: 243, unknown unconditional: 1030] , Statistics on independence cache: Total cache size (in pairs): 1273, Positive cache size: 1273, Positive conditional cache size: 243, Positive unconditional cache size: 1030, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1172 ], Independence queries for same thread: 309 - 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 729545ms.. - 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 729545ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 142 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 199 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 3.3s 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 256 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 44.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.2s, 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: 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, 38.9s 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 313 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 778.1s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 3.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.9s 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, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown