/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/queue_ok_longest.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 22:32:24,335 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 22:32:24,393 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 22:32:24,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 22:32:24,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 22:32:24,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 22:32:24,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 22:32:24,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 22:32:24,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 22:32:24,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 22:32:24,427 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 22:32:24,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 22:32:24,428 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 22:32:24,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 22:32:24,429 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 22:32:24,429 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 22:32:24,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 22:32:24,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 22:32:24,429 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 22:32:24,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 22:32:24,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 22:32:24,430 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 22:32:24,430 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 22:32:24,430 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 22:32:24,430 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 22:32:24,431 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 22:32:24,431 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 22:32:24,431 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 22:32:24,431 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 22:32:24,431 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 22:32:24,432 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 22:32:24,432 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 22:32:24,433 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-05 22:32:24,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 22:32:24,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 22:32:24,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 22:32:24,681 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 22:32:24,683 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 22:32:24,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/queue_ok_longest.i [2024-05-05 22:32:25,798 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 22:32:26,045 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 22:32:26,046 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/queue_ok_longest.i [2024-05-05 22:32:26,062 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2b40254b/9d06657be7fc44ee84a1e5e65d3b7d9b/FLAG62ed4801f [2024-05-05 22:32:26,074 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a2b40254b/9d06657be7fc44ee84a1e5e65d3b7d9b [2024-05-05 22:32:26,076 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 22:32:26,078 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 22:32:26,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 22:32:26,082 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 22:32:26,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 22:32:26,086 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,087 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@260e0a52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26, skipping insertion in model container [2024-05-05 22:32:26,087 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,127 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 22:32:26,481 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/queue_ok_longest.i[43280,43293] [2024-05-05 22:32:26,489 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/queue_ok_longest.i[43553,43566] [2024-05-05 22:32:26,497 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 22:32:26,505 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 22:32:26,549 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/queue_ok_longest.i[43280,43293] [2024-05-05 22:32:26,551 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/queue_ok_longest.i[43553,43566] [2024-05-05 22:32:26,561 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 22:32:26,612 INFO L206 MainTranslator]: Completed translation [2024-05-05 22:32:26,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26 WrapperNode [2024-05-05 22:32:26,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 22:32:26,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 22:32:26,613 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 22:32:26,613 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 22:32:26,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,646 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,675 INFO L138 Inliner]: procedures = 275, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 208 [2024-05-05 22:32:26,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 22:32:26,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 22:32:26,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 22:32:26,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 22:32:26,683 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,683 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,696 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,697 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,702 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,704 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,714 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,716 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,718 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 22:32:26,718 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 22:32:26,718 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 22:32:26,719 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 22:32:26,719 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (1/1) ... [2024-05-05 22:32:26,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 22:32:26,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:26,766 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 22:32:26,802 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 22:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-05 22:32:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-05 22:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-05 22:32:26,833 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-05 22:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 22:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 22:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-05 22:32:26,833 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 22:32:26,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 22:32:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-05 22:32:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 22:32:26,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 22:32:26,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 22:32:26,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 22:32:26,837 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 22:32:26,992 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 22:32:26,994 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 22:32:27,215 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 22:32:27,239 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 22:32:27,239 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-05 22:32:27,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:32:27 BoogieIcfgContainer [2024-05-05 22:32:27,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 22:32:27,242 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 22:32:27,243 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 22:32:27,245 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 22:32:27,245 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 10:32:26" (1/3) ... [2024-05-05 22:32:27,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb6513f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:32:27, skipping insertion in model container [2024-05-05 22:32:27,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:32:26" (2/3) ... [2024-05-05 22:32:27,246 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb6513f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:32:27, skipping insertion in model container [2024-05-05 22:32:27,246 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:32:27" (3/3) ... [2024-05-05 22:32:27,248 INFO L112 eAbstractionObserver]: Analyzing ICFG queue_ok_longest.i [2024-05-05 22:32:27,254 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 22:32:27,262 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 22:32:27,262 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-05 22:32:27,262 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 22:32:27,328 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-05 22:32:27,375 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 22:32:27,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 22:32:27,375 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:27,420 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 22:32:27,452 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 22:32:27,493 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 22:32:27,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:27,506 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 22:32:27,513 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;@5c18e4b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 22:32:27,513 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 22:32:27,544 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:27,548 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:27,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1100909939, now seen corresponding path program 1 times [2024-05-05 22:32:27,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:27,556 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148968725] [2024-05-05 22:32:27,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:27,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:27,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:27,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:27,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:27,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148968725] [2024-05-05 22:32:27,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148968725] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:32:27,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:32:27,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 22:32:27,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600129377] [2024-05-05 22:32:27,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:32:27,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 22:32:27,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:27,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 22:32:27,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 22:32:27,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:27,836 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:27,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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 22:32:27,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,001 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 22:32:28,001 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:28,002 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:28,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1323198379, now seen corresponding path program 1 times [2024-05-05 22:32:28,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:28,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [805269690] [2024-05-05 22:32:28,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:28,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:28,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:28,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:28,373 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:28,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [805269690] [2024-05-05 22:32:28,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [805269690] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:32:28,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:32:28,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-05 22:32:28,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284102104] [2024-05-05 22:32:28,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:32:28,374 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 22:32:28,374 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:28,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 22:32:28,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-05 22:32:28,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,375 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:28,376 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 52.666666666666664) internal successors, (158), 3 states have internal predecessors, (158), 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 22:32:28,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:28,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 22:32:28,505 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:28,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:28,505 INFO L85 PathProgramCache]: Analyzing trace with hash -2002901627, now seen corresponding path program 1 times [2024-05-05 22:32:28,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:28,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944622086] [2024-05-05 22:32:28,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:28,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:28,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:28,639 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:28,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944622086] [2024-05-05 22:32:28,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944622086] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:32:28,639 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 22:32:28,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-05 22:32:28,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515446036] [2024-05-05 22:32:28,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:32:28,640 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 22:32:28,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:28,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-05 22:32:28,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-05 22:32:28,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,641 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:28,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 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 22:32:28,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:28,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:28,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:28,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-05 22:32:28,795 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:28,795 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:28,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1898140429, now seen corresponding path program 1 times [2024-05-05 22:32:28,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:28,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255704022] [2024-05-05 22:32:28,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:28,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:28,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:28,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255704022] [2024-05-05 22:32:28,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255704022] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:32:28,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1531363087] [2024-05-05 22:32:28,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:28,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:28,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:29,010 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:32:29,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 22:32:29,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:29,196 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 4 conjunts are in the unsatisfiable core [2024-05-05 22:32:29,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:32:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:29,303 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:32:29,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:29,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1531363087] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:32:29,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:32:29,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-05-05 22:32:29,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959382790] [2024-05-05 22:32:29,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:32:29,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-05 22:32:29,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:29,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-05 22:32:29,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-05-05 22:32:29,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:29,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:29,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 25.6) internal successors, (256), 10 states have internal predecessors, (256), 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 22:32:29,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:29,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:29,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:29,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:29,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:29,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-05 22:32:29,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:29,687 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:29,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:29,687 INFO L85 PathProgramCache]: Analyzing trace with hash 44387869, now seen corresponding path program 2 times [2024-05-05 22:32:29,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:29,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1273412665] [2024-05-05 22:32:29,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:29,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:29,967 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:29,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:29,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1273412665] [2024-05-05 22:32:29,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1273412665] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:32:29,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752257263] [2024-05-05 22:32:29,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:32:29,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:29,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:29,969 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 22:32:29,987 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 22:32:30,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-05-05 22:32:30,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:32:30,141 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 5 conjunts are in the unsatisfiable core [2024-05-05 22:32:30,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:32:30,185 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2024-05-05 22:32:30,185 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 22:32:30,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752257263] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:32:30,186 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 22:32:30,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 11 [2024-05-05 22:32:30,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227592542] [2024-05-05 22:32:30,186 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:32:30,187 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-05 22:32:30,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:30,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-05 22:32:30,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-05-05 22:32:30,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:30,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:30,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 42.0) internal successors, (168), 4 states have internal predecessors, (168), 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 22:32:30,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:30,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:30,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:30,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:30,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:30,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:30,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:30,237 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 22:32:30,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:30,437 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:30,437 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:30,438 INFO L85 PathProgramCache]: Analyzing trace with hash 26985882, now seen corresponding path program 1 times [2024-05-05 22:32:30,438 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:30,438 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129531806] [2024-05-05 22:32:30,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:30,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:30,631 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:30,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:30,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129531806] [2024-05-05 22:32:30,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129531806] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:32:30,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743946465] [2024-05-05 22:32:30,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:30,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:30,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:30,633 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 22:32:30,660 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 22:32:30,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:30,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-05 22:32:30,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:32:30,897 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:30,897 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:32:31,054 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:31,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743946465] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:32:31,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:32:31,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-05-05 22:32:31,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49766376] [2024-05-05 22:32:31,055 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:32:31,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-05 22:32:31,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:31,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-05 22:32:31,056 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-05-05 22:32:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:31,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:31,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 21.27777777777778) internal successors, (383), 18 states have internal predecessors, (383), 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 22:32:31,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:31,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:31,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:31,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:31,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:31,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:31,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:31,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:31,234 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-05 22:32:31,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:31,432 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:31,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:31,433 INFO L85 PathProgramCache]: Analyzing trace with hash -1417540742, now seen corresponding path program 2 times [2024-05-05 22:32:31,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:31,433 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614458420] [2024-05-05 22:32:31,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:31,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:31,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:31,901 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:31,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:31,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614458420] [2024-05-05 22:32:31,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614458420] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:32:31,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029656215] [2024-05-05 22:32:31,905 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:32:31,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:31,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:31,922 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 22:32:31,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 22:32:32,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:32:32,145 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:32:32,148 INFO L262 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-05 22:32:32,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:32:32,372 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:32,372 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:32:32,702 INFO L134 CoverageAnalysis]: Checked inductivity of 679 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:32,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029656215] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:32:32,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:32:32,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-05-05 22:32:32,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827721224] [2024-05-05 22:32:32,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:32:32,707 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-05 22:32:32,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:32,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-05 22:32:32,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-05-05 22:32:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:32,709 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:32,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 18.794117647058822) internal successors, (639), 34 states have internal predecessors, (639), 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 22:32:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:32,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:33,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:32:33,183 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 22:32:33,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-05 22:32:33,376 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:33,377 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:33,377 INFO L85 PathProgramCache]: Analyzing trace with hash -124479686, now seen corresponding path program 3 times [2024-05-05 22:32:33,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:33,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1172537483] [2024-05-05 22:32:33,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:33,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:34,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 0 proven. 3375 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:34,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:34,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1172537483] [2024-05-05 22:32:34,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1172537483] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:32:34,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955364163] [2024-05-05 22:32:34,798 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 22:32:34,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:34,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:34,813 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 22:32:34,859 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 22:32:35,125 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-05 22:32:35,126 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:32:35,129 INFO L262 TraceCheckSpWp]: Trace formula consists of 455 conjuncts, 73 conjunts are in the unsatisfiable core [2024-05-05 22:32:35,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:32:37,130 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 22:32:37,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-05 22:32:37,191 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 22:32:37,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-05 22:32:37,382 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 27 treesize of output 11 [2024-05-05 22:32:37,423 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 23 treesize of output 11 [2024-05-05 22:32:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 3375 backedges. 801 proven. 0 refuted. 0 times theorem prover too weak. 2574 trivial. 0 not checked. [2024-05-05 22:32:37,495 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 22:32:37,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955364163] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 22:32:37,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 22:32:37,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [33] total 44 [2024-05-05 22:32:37,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788321355] [2024-05-05 22:32:37,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 22:32:37,496 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-05 22:32:37,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:37,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-05 22:32:37,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=1553, Unknown=0, NotChecked=0, Total=1892 [2024-05-05 22:32:37,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:37,497 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:37,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 17.384615384615383) internal successors, (226), 13 states have internal predecessors, (226), 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 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:32:37,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:37,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:32:37,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:32:37,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-05 22:32:38,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:38,046 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:38,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:38,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1675942950, now seen corresponding path program 1 times [2024-05-05 22:32:38,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:38,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831516653] [2024-05-05 22:32:38,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:38,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:38,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:39,427 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 0 proven. 3840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:39,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:39,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831516653] [2024-05-05 22:32:39,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831516653] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:32:39,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1848035640] [2024-05-05 22:32:39,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:39,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:39,428 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:39,429 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 22:32:39,455 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 22:32:39,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:39,728 INFO L262 TraceCheckSpWp]: Trace formula consists of 1405 conjuncts, 34 conjunts are in the unsatisfiable core [2024-05-05 22:32:39,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:32:40,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 0 proven. 3840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:40,286 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:32:41,632 INFO L134 CoverageAnalysis]: Checked inductivity of 3840 backedges. 0 proven. 3840 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:41,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1848035640] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:32:41,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:32:41,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 70 [2024-05-05 22:32:41,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302820842] [2024-05-05 22:32:41,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:32:41,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-05-05 22:32:41,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:41,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-05-05 22:32:41,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1260, Invalid=3570, Unknown=0, NotChecked=0, Total=4830 [2024-05-05 22:32:41,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:41,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:41,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 18.271428571428572) internal successors, (1279), 70 states have internal predecessors, (1279), 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 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:32:41,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:32:43,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 22:32:43,638 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-05 22:32:43,826 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,SelfDestructingSolverStorable8 [2024-05-05 22:32:43,827 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:32:43,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:32:43,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1118731369, now seen corresponding path program 2 times [2024-05-05 22:32:43,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:32:43,828 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974631979] [2024-05-05 22:32:43,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:32:43,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:32:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:32:48,910 INFO L134 CoverageAnalysis]: Checked inductivity of 17952 backedges. 0 proven. 17952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:48,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:32:48,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974631979] [2024-05-05 22:32:48,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974631979] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:32:48,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [78634953] [2024-05-05 22:32:48,910 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 22:32:48,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:32:48,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:32:48,912 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 22:32:48,937 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 22:32:49,425 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 22:32:49,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:32:49,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 2620 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-05 22:32:49,447 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:32:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 17952 backedges. 0 proven. 17952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:50,618 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:32:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 17952 backedges. 0 proven. 17952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:32:54,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [78634953] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:32:54,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:32:54,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 71, 71] total 142 [2024-05-05 22:32:54,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241327833] [2024-05-05 22:32:54,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:32:54,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2024-05-05 22:32:54,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:32:54,011 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2024-05-05 22:32:54,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5112, Invalid=14910, Unknown=0, NotChecked=0, Total=20022 [2024-05-05 22:32:54,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:54,015 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:32:54,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 17.62676056338028) internal successors, (2503), 142 states have internal predecessors, (2503), 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 22:32:54,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:32:54,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 22:32:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 22:33:00,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-05-05 22:33:00,811 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 22:33:01,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:33:01,010 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:33:01,010 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:33:01,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1919515537, now seen corresponding path program 3 times [2024-05-05 22:33:01,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:33:01,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597383612] [2024-05-05 22:33:01,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:33:01,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:33:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:33:24,261 INFO L134 CoverageAnalysis]: Checked inductivity of 77280 backedges. 0 proven. 77280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:33:24,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:33:24,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597383612] [2024-05-05 22:33:24,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597383612] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:33:24,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040500836] [2024-05-05 22:33:24,262 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 22:33:24,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:33:24,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:33:24,263 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 22:33:24,278 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 22:33:25,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-05-05 22:33:25,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 22:33:25,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 71 conjunts are in the unsatisfiable core [2024-05-05 22:33:25,154 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 22:33:29,585 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 13 treesize of output 9 [2024-05-05 22:33:29,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-05 22:33:29,648 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 18 treesize of output 13 [2024-05-05 22:33:29,871 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-05 22:33:29,885 INFO L349 Elim1Store]: treesize reduction 31, result has 22.5 percent of original size [2024-05-05 22:33:29,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 45 treesize of output 35 [2024-05-05 22:33:30,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-05 22:33:30,018 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 29 treesize of output 13 [2024-05-05 22:33:30,257 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 3 [2024-05-05 22:33:30,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-05 22:33:30,362 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 18 treesize of output 13 [2024-05-05 22:33:30,696 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-05 22:33:30,704 INFO L349 Elim1Store]: treesize reduction 27, result has 25.0 percent of original size [2024-05-05 22:33:30,704 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 16 [2024-05-05 22:33:30,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-05-05 22:33:30,814 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 29 treesize of output 13 [2024-05-05 22:33:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 77280 backedges. 8269 proven. 30 refuted. 0 times theorem prover too weak. 68981 trivial. 0 not checked. [2024-05-05 22:33:30,937 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 22:33:31,651 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| Int) (|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_2919 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_~#stored_elements~0.base| v_ArrVal_2919) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 3204))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263|) (not (= (select (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| 4)) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1) 800))))) is different from false [2024-05-05 22:33:31,727 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| Int) (|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_2919 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |c_t1Thread1of1ForFork1_enqueue_#t~post41#1| 1))) |c_~#stored_elements~0.base| v_ArrVal_2919) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 3204))) (or (not (= 800 (select (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| 4)) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1))) (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263|)))) is different from false [2024-05-05 22:33:31,742 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| Int)) (or (< |c_t1Thread1of1ForFork1_enqueue_#t~mem40#1| |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193|) (forall ((|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| Int) (|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_2919 (Array Int Int))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|) (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| 1))) |c_~#stored_elements~0.base| v_ArrVal_2919) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 3204))) (or (not (= 800 (select (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| 4)) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1))) (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263|)))))) is different from false [2024-05-05 22:33:31,756 WARN L854 $PredicateComparison]: unable to prove that (forall ((|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| Int) (|t1Thread1of1ForFork1_enqueue_~x#1| Int) (v_ArrVal_2919 (Array Int Int)) (|v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| Int)) (let ((.cse2 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|)) (.cse3 (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store .cse2 .cse3 (+ |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| 1))) |c_~#stored_elements~0.base| v_ArrVal_2919) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 3204))) (or (not (= 800 (select (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| 4)) |t1Thread1of1ForFork1_enqueue_~x#1|) .cse1))) (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263|) (< (select .cse2 .cse3) |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193|))))) is different from false [2024-05-05 22:33:32,449 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| Int) (v_ArrVal_2919 (Array Int Int)) (|v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| Int) (|t1Thread1of1ForFork1_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork1_enqueue_~x#1_201| Int)) (let ((.cse1 (+ 3204 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|))) (let ((.cse0 (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base|))) (store .cse4 (+ (* (select .cse4 .cse1) 4) |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) |t1Thread1of1ForFork1_enqueue_~x#1|)))) (let ((.cse2 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_~q#1.base| (store (store .cse0 (+ 3208 |c_t1Thread1of1ForFork1_enqueue_~q#1.offset|) (+ |t1Thread1of1ForFork1_enqueue_#t~post38#1| 1)) .cse1 (+ |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| 1))) |c_~#stored_elements~0.base| v_ArrVal_2919) |c_~#queue~0.base|)) (.cse3 (+ |c_~#queue~0.offset| 3204))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193|) (< (select .cse2 .cse3) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263|) (not (= (select (store .cse2 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| 4)) |v_t1Thread1of1ForFork1_enqueue_~x#1_201|) .cse3) 800))))))) is different from false [2024-05-05 22:33:32,475 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t1Thread1of1ForFork1_enqueue_~x#1| Int) (|v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| Int) (v_ArrVal_2919 (Array Int Int)) (|v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| Int) (|t1Thread1of1ForFork1_enqueue_#t~post38#1| Int) (|v_t1Thread1of1ForFork1_enqueue_~x#1_201| Int)) (let ((.cse3 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| 3204))) (let ((.cse2 (let ((.cse4 (select |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base|))) (store .cse4 (+ |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset| (* (select .cse4 .cse3) 4)) |t1Thread1of1ForFork1_enqueue_~x#1|)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_t1Thread1of1ForFork1_enqueue_#in~q#1.base| (store (store .cse2 (+ 3208 |c_t1Thread1of1ForFork1_enqueue_#in~q#1.offset|) (+ |t1Thread1of1ForFork1_enqueue_#t~post38#1| 1)) .cse3 (+ |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193| 1))) |c_~#stored_elements~0.base| v_ArrVal_2919) |c_~#queue~0.base|)) (.cse1 (+ |c_~#queue~0.offset| 3204))) (or (< (select .cse0 .cse1) |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263|) (not (= 800 (select (store .cse0 (+ |c_~#queue~0.offset| (* |v_t1Thread1of1ForFork1_enqueue_#t~mem36#1_263| 4)) |v_t1Thread1of1ForFork1_enqueue_~x#1_201|) .cse1))) (< (select .cse2 .cse3) |v_t1Thread1of1ForFork1_enqueue_#t~post41#1_193|)))))) is different from false [2024-05-05 22:33:33,228 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 22:33:33,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 217 treesize of output 147 [2024-05-05 22:33:33,292 INFO L349 Elim1Store]: treesize reduction 35, result has 59.3 percent of original size [2024-05-05 22:33:33,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 262 treesize of output 242 [2024-05-05 22:33:33,330 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 22:33:33,330 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 250 treesize of output 236 [2024-05-05 22:33:33,341 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 61 treesize of output 53 [2024-05-05 22:33:33,354 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 54 treesize of output 42 [2024-05-05 22:33:33,380 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 8 treesize of output 4 [2024-05-05 22:33:33,459 INFO L349 Elim1Store]: treesize reduction 131, result has 20.6 percent of original size [2024-05-05 22:33:33,459 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 3 new quantified variables, introduced 3 case distinctions, treesize of input 125 treesize of output 95 [2024-05-05 22:33:33,563 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-05 22:33:33,564 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 146 treesize of output 126 [2024-05-05 22:33:33,610 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-05 22:33:33,611 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-05-05 22:33:33,618 INFO L173 IndexEqualityManager]: detected equality via solver [2024-05-05 22:33:33,619 WARN L214 Elim1Store]: Array PQE input equivalent to true [2024-05-05 22:33:36,099 INFO L134 CoverageAnalysis]: Checked inductivity of 77280 backedges. 5463 proven. 1557 refuted. 0 times theorem prover too weak. 68981 trivial. 1279 not checked. [2024-05-05 22:33:36,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040500836] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 22:33:36,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 22:33:36,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [143, 17, 22] total 178 [2024-05-05 22:33:36,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785947896] [2024-05-05 22:33:36,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 22:33:36,103 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 178 states [2024-05-05 22:33:36,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:33:36,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2024-05-05 22:33:36,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5426, Invalid=23978, Unknown=32, NotChecked=2070, Total=31506 [2024-05-05 22:33:36,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:33:36,110 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:33:36,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 178 states, 178 states have (on average 16.40449438202247) internal successors, (2920), 178 states have internal predecessors, (2920), 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 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-05-05 22:33:36,112 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:35:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2024-05-05 22:35:51,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 788 states. [2024-05-05 22:35:51,994 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 22:35:52,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:35:52,187 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 22:35:52,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 22:35:52,187 INFO L85 PathProgramCache]: Analyzing trace with hash 1972812629, now seen corresponding path program 4 times [2024-05-05 22:35:52,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 22:35:52,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970147669] [2024-05-05 22:35:52,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 22:35:52,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 22:35:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 22:36:20,576 INFO L134 CoverageAnalysis]: Checked inductivity of 90356 backedges. 0 proven. 90356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 22:36:20,576 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 22:36:20,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970147669] [2024-05-05 22:36:20,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970147669] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 22:36:20,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404688550] [2024-05-05 22:36:20,577 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 22:36:20,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 22:36:20,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 22:36:20,591 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 22:36:20,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process Received shutdown request... [2024-05-05 22:46:43,252 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 22:46:43,253 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 22:46:43,269 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 22:46:44,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 22:46:44,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2024-05-05 22:46:44,468 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forcibly destroying the process [2024-05-05 22:46:44,487 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-05-05 22:46:44,487 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-05-05 22:46:44,487 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2024-05-05 22:46:44,487 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1867692198] [2024-05-05 22:46:44,487 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-05-05 22:46:44,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2024-05-05 22:46:44,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 22:46:44,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2024-05-05 22:46:44,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5775, Invalid=16875, Unknown=0, NotChecked=0, Total=22650 [2024-05-05 22:46:44,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:44,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 22:46:44,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 18.033112582781456) internal successors, (2723), 151 states have internal predecessors, (2723), 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 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 788 states. [2024-05-05 22:46:44,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 22:46:44,501 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forcibly destroying the process [2024-05-05 22:46:44,501 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,SelfDestructingSolverStorable11 [2024-05-05 22:46:44,501 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-05-05 22:46:44,502 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 137 [2024-05-05 22:46:44,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-05-05 22:46:44,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-05-05 22:46:44,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-05-05 22:46:44,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-05-05 22:46:44,504 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-05-05 22:46:44,507 INFO L448 BasicCegarLoop]: Path program histogram: [4, 3, 2, 1, 1, 1] [2024-05-05 22:46:44,510 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 22:46:44,510 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 22:46:44,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 10:46:44 BasicIcfg [2024-05-05 22:46:44,511 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 22:46:44,528 INFO L158 Benchmark]: Toolchain (without parser) took 858433.51ms. Allocated memory was 156.2MB in the beginning and 2.4GB in the end (delta: 2.3GB). Free memory was 86.0MB in the beginning and 1.0GB in the end (delta: -923.6MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-05-05 22:46:44,528 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 156.2MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 22:46:44,528 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.25ms. Allocated memory was 156.2MB in the beginning and 254.8MB in the end (delta: 98.6MB). Free memory was 85.8MB in the beginning and 209.5MB in the end (delta: -123.7MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. [2024-05-05 22:46:44,528 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.57ms. Allocated memory is still 254.8MB. Free memory was 209.5MB in the beginning and 206.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-05 22:46:44,529 INFO L158 Benchmark]: Boogie Preprocessor took 41.96ms. Allocated memory is still 254.8MB. Free memory was 206.4MB in the beginning and 204.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 22:46:44,529 INFO L158 Benchmark]: RCFGBuilder took 522.38ms. Allocated memory is still 254.8MB. Free memory was 204.3MB in the beginning and 181.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2024-05-05 22:46:44,529 INFO L158 Benchmark]: TraceAbstraction took 857269.01ms. Allocated memory was 254.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 180.2MB in the beginning and 1.0GB in the end (delta: -829.4MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2024-05-05 22:46:44,532 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 156.2MB. Free memory is still 119.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 531.25ms. Allocated memory was 156.2MB in the beginning and 254.8MB in the end (delta: 98.6MB). Free memory was 85.8MB in the beginning and 209.5MB in the end (delta: -123.7MB). Peak memory consumption was 19.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 62.57ms. Allocated memory is still 254.8MB. Free memory was 209.5MB in the beginning and 206.4MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.96ms. Allocated memory is still 254.8MB. Free memory was 206.4MB in the beginning and 204.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 522.38ms. Allocated memory is still 254.8MB. Free memory was 204.3MB in the beginning and 181.3MB in the end (delta: 23.1MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 857269.01ms. Allocated memory was 254.8MB in the beginning and 2.4GB in the end (delta: 2.2GB). Free memory was 180.2MB in the beginning and 1.0GB in the end (delta: -829.4MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9430, independent: 9016, independent conditional: 8785, independent unconditional: 231, dependent: 414, dependent conditional: 414, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9026, independent: 9016, independent conditional: 8785, independent unconditional: 231, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9026, independent: 9016, independent conditional: 8785, independent unconditional: 231, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9026, independent: 9016, independent conditional: 8785, independent unconditional: 231, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9051, independent: 9016, independent conditional: 313, independent unconditional: 8703, dependent: 35, dependent conditional: 15, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9051, independent: 9016, independent conditional: 118, independent unconditional: 8898, dependent: 35, dependent conditional: 10, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9051, independent: 9016, independent conditional: 118, independent unconditional: 8898, dependent: 35, dependent conditional: 10, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 36, dependent conditional: 5, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9051, independent: 8642, independent conditional: 118, independent unconditional: 8524, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 376, unknown conditional: 1, unknown unconditional: 375] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 200, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9051, independent: 9016, independent conditional: 313, independent unconditional: 8703, dependent: 35, dependent conditional: 15, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9051, independent: 9016, independent conditional: 118, independent unconditional: 8898, dependent: 35, dependent conditional: 10, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9051, independent: 9016, independent conditional: 118, independent unconditional: 8898, dependent: 35, dependent conditional: 10, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 376, independent: 374, independent conditional: 0, independent unconditional: 374, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 36, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 36, dependent conditional: 5, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9051, independent: 8642, independent conditional: 118, independent unconditional: 8524, dependent: 33, dependent conditional: 9, dependent unconditional: 24, unknown: 376, unknown conditional: 1, unknown unconditional: 375] , Statistics on independence cache: Total cache size (in pairs): 376, Positive cache size: 374, Positive conditional cache size: 0, Positive unconditional cache size: 374, Negative cache size: 2, Negative conditional cache size: 1, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 200 ], Independence queries for same thread: 404 - TimeoutResultAtElement [Line: 1049]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1052]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1053]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 1033]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 347 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 857.0s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 146.2s, 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: 1197, 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: 0.8s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 80.7s InterpolantComputationTime, 15250 NumberOfCodeBlocks, 12494 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 20467 ConstructedInterpolants, 58 QuantifiedInterpolants, 76237 SizeOfPredicates, 159 NumberOfNonLiveVariables, 7094 ConjunctsInSsa, 281 ConjunctsInUnsatCore, 26 InterpolantComputations, 5 PerfectInterpolantSequences, 155168/396857 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: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown