/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stack-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 00:40:20,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 00:40:21,042 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 00:40:21,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 00:40:21,048 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 00:40:21,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 00:40:21,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 00:40:21,074 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 00:40:21,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 00:40:21,074 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 00:40:21,075 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 00:40:21,075 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 00:40:21,075 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 00:40:21,076 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 00:40:21,077 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 00:40:21,077 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 00:40:21,078 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 00:40:21,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 00:40:21,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 00:40:21,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 00:40:21,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 00:40:21,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 00:40:21,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 00:40:21,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 00:40:21,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 00:40:21,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 00:40:21,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 00:40:21,083 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 00:40:21,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 00:40:21,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 00:40:21,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 00:40:21,085 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 00:40:21,086 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 00:40:21,322 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 00:40:21,346 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 00:40:21,349 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 00:40:21,350 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 00:40:21,350 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 00:40:21,351 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/stack-2.i [2024-04-06 00:40:22,481 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 00:40:22,722 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 00:40:22,722 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack-2.i [2024-04-06 00:40:22,737 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9cd53d6e4/0c784fc1011b4d428088d65b8ef54389/FLAG384dabe9e [2024-04-06 00:40:22,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9cd53d6e4/0c784fc1011b4d428088d65b8ef54389 [2024-04-06 00:40:22,754 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 00:40:22,755 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 00:40:22,757 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 00:40:22,757 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 00:40:22,761 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 00:40:22,761 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 12:40:22" (1/1) ... [2024-04-06 00:40:22,762 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fce7836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:22, skipping insertion in model container [2024-04-06 00:40:22,762 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 12:40:22" (1/1) ... [2024-04-06 00:40:22,800 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 00:40:23,135 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/stack-2.i[41520,41533] [2024-04-06 00:40:23,163 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 00:40:23,173 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 00:40:23,208 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/stack-2.i[41520,41533] [2024-04-06 00:40:23,231 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 00:40:23,267 INFO L206 MainTranslator]: Completed translation [2024-04-06 00:40:23,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23 WrapperNode [2024-04-06 00:40:23,268 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 00:40:23,269 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 00:40:23,269 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 00:40:23,269 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 00:40:23,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,302 INFO L138 Inliner]: procedures = 278, calls = 46, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 165 [2024-04-06 00:40:23,303 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 00:40:23,303 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 00:40:23,303 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 00:40:23,303 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 00:40:23,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,312 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,312 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,320 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,321 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,323 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 00:40:23,323 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 00:40:23,323 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 00:40:23,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 00:40:23,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (1/1) ... [2024-04-06 00:40:23,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 00:40:23,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:40:23,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-06 00:40:23,371 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-06 00:40:23,400 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-04-06 00:40:23,400 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-04-06 00:40:23,401 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-06 00:40:23,401 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 00:40:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 00:40:23,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 00:40:23,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 00:40:23,404 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 00:40:23,565 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 00:40:23,567 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 00:40:23,807 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 00:40:23,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 00:40:23,821 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-06 00:40:23,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 12:40:23 BoogieIcfgContainer [2024-04-06 00:40:23,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 00:40:23,826 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 00:40:23,826 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 00:40:23,829 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 00:40:23,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 12:40:22" (1/3) ... [2024-04-06 00:40:23,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717b7b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 12:40:23, skipping insertion in model container [2024-04-06 00:40:23,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 12:40:23" (2/3) ... [2024-04-06 00:40:23,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@717b7b9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 12:40:23, skipping insertion in model container [2024-04-06 00:40:23,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 12:40:23" (3/3) ... [2024-04-06 00:40:23,832 INFO L112 eAbstractionObserver]: Analyzing ICFG stack-2.i [2024-04-06 00:40:23,837 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 00:40:23,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 00:40:23,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-04-06 00:40:23,845 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 00:40:23,917 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 00:40:23,945 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 00:40:23,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 00:40:23,945 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:40:23,947 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-06 00:40:23,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-06 00:40:23,992 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 00:40:24,001 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:24,003 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 00:40:24,008 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;@318d61d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 00:40:24,008 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-06 00:40:24,142 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:24,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:24,144 INFO L85 PathProgramCache]: Analyzing trace with hash -1427696152, now seen corresponding path program 1 times [2024-04-06 00:40:24,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:24,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296747096] [2024-04-06 00:40:24,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:24,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:24,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:40:24,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:24,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296747096] [2024-04-06 00:40:24,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296747096] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:40:24,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:40:24,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 00:40:24,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705215441] [2024-04-06 00:40:24,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:24,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 00:40:24,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:24,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 00:40:24,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 00:40:24,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:24,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:24,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,498 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 00:40:24,498 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:24,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:24,499 INFO L85 PathProgramCache]: Analyzing trace with hash 679318485, now seen corresponding path program 1 times [2024-04-06 00:40:24,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:24,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127371931] [2024-04-06 00:40:24,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:24,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:24,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:40:24,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:24,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127371931] [2024-04-06 00:40:24,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127371931] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:40:24,744 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:40:24,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 00:40:24,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341341495] [2024-04-06 00:40:24,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:24,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 00:40:24,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:24,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 00:40:24,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 00:40:24,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:24,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:24,786 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 00:40:24,787 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:24,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:24,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1734215841, now seen corresponding path program 1 times [2024-04-06 00:40:24,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:24,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501241266] [2024-04-06 00:40:24,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:24,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:24,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:40:24,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:24,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501241266] [2024-04-06 00:40:24,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501241266] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:40:24,873 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:40:24,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 00:40:24,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585771711] [2024-04-06 00:40:24,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:24,874 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 00:40:24,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:24,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 00:40:24,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 00:40:24,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,875 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:24,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:24,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:24,875 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:24,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:24,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-06 00:40:24,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:24,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:24,911 INFO L85 PathProgramCache]: Analyzing trace with hash -1218905132, now seen corresponding path program 1 times [2024-04-06 00:40:24,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:24,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434160501] [2024-04-06 00:40:24,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:24,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:25,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:40:25,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:25,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434160501] [2024-04-06 00:40:25,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434160501] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:40:25,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:40:25,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-04-06 00:40:25,062 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128522773] [2024-04-06 00:40:25,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:25,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-06 00:40:25,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:25,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-06 00:40:25,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-04-06 00:40:25,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,065 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:25,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 21.0) internal successors, (84), 4 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:25,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,067 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:25,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-06 00:40:25,179 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:25,179 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:25,179 INFO L85 PathProgramCache]: Analyzing trace with hash 562183636, now seen corresponding path program 1 times [2024-04-06 00:40:25,180 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:25,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [662141855] [2024-04-06 00:40:25,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:25,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:25,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:40:25,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:25,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [662141855] [2024-04-06 00:40:25,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [662141855] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:40:25,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:40:25,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 00:40:25,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121442315] [2024-04-06 00:40:25,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:25,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 00:40:25,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:25,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 00:40:25,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-04-06 00:40:25,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,395 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:25,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 16.0) internal successors, (112), 7 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:25,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:25,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:25,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-06 00:40:25,499 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:25,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:25,499 INFO L85 PathProgramCache]: Analyzing trace with hash 1028062181, now seen corresponding path program 1 times [2024-04-06 00:40:25,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:25,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1763566680] [2024-04-06 00:40:25,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:25,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:40:26,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:26,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1763566680] [2024-04-06 00:40:26,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1763566680] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:40:26,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:40:26,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2024-04-06 00:40:26,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255852669] [2024-04-06 00:40:26,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:26,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-06 00:40:26,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:26,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-06 00:40:26,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2024-04-06 00:40:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:26,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:26,850 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 5.125) internal successors, (123), 24 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:26,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:26,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:26,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:26,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:26,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:26,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-06 00:40:28,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-06 00:40:28,442 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:28,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:28,443 INFO L85 PathProgramCache]: Analyzing trace with hash 82825630, now seen corresponding path program 1 times [2024-04-06 00:40:28,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:28,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657653105] [2024-04-06 00:40:28,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:28,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:28,642 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 30 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-04-06 00:40:28,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:28,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657653105] [2024-04-06 00:40:28,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657653105] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:40:28,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [911695375] [2024-04-06 00:40:28,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:28,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:40:28,643 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:40:28,694 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 00:40:28,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 00:40:28,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:28,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 416 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 00:40:28,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:40:28,997 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-06 00:40:28,997 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:40:29,183 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-04-06 00:40:29,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [911695375] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:40:29,183 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:40:29,183 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 10 [2024-04-06 00:40:29,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833064496] [2024-04-06 00:40:29,184 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:40:29,184 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-06 00:40:29,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:29,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-06 00:40:29,185 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-04-06 00:40:29,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,185 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:29,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.9) internal successors, (209), 10 states have internal predecessors, (209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:29,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:29,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-06 00:40:29,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:29,567 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 00:40:29,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-06 00:40:29,768 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:29,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:29,768 INFO L85 PathProgramCache]: Analyzing trace with hash -1585621019, now seen corresponding path program 1 times [2024-04-06 00:40:29,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:29,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356344857] [2024-04-06 00:40:29,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:29,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:29,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-04-06 00:40:29,885 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:29,885 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356344857] [2024-04-06 00:40:29,886 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356344857] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:40:29,886 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 00:40:29,886 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-06 00:40:29,886 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881871923] [2024-04-06 00:40:29,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:29,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-06 00:40:29,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:29,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-06 00:40:29,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-06 00:40:29,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:29,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 72.66666666666667) internal successors, (218), 3 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:29,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:29,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:29,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:29,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:29,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:29,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:29,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-04-06 00:40:29,961 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:29,961 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:29,961 INFO L85 PathProgramCache]: Analyzing trace with hash -1310656459, now seen corresponding path program 1 times [2024-04-06 00:40:29,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:29,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617967222] [2024-04-06 00:40:29,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:29,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-04-06 00:40:31,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:31,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617967222] [2024-04-06 00:40:31,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617967222] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:40:31,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1174346729] [2024-04-06 00:40:31,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:31,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:40:31,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:40:31,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 00:40:31,434 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 00:40:31,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:31,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-06 00:40:31,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:40:32,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-06 00:40:33,372 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2024-04-06 00:40:33,511 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2024-04-06 00:40:33,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:40:34,035 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2024-04-06 00:40:34,458 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-04-06 00:40:34,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1174346729] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-06 00:40:34,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-06 00:40:34,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [27, 27] total 70 [2024-04-06 00:40:34,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483755476] [2024-04-06 00:40:34,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:40:34,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-06 00:40:34,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:34,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-06 00:40:34,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=248, Invalid=4582, Unknown=0, NotChecked=0, Total=4830 [2024-04-06 00:40:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:34,461 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:34,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 8.727272727272727) internal successors, (192), 22 states have internal predecessors, (192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:34,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:37,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:37,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:40:37,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 00:40:37,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:40:37,442 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:37,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:37,443 INFO L85 PathProgramCache]: Analyzing trace with hash 417711860, now seen corresponding path program 2 times [2024-04-06 00:40:37,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:37,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663633157] [2024-04-06 00:40:37,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:37,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:37,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:37,825 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 96 proven. 69 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-04-06 00:40:37,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:37,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1663633157] [2024-04-06 00:40:37,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1663633157] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:40:37,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793561486] [2024-04-06 00:40:37,826 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 00:40:37,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:40:37,826 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:40:37,827 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 00:40:37,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 00:40:37,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 00:40:37,972 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:40:37,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 566 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-06 00:40:37,979 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:40:38,177 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 123 proven. 15 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-04-06 00:40:38,177 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:40:38,415 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 123 proven. 15 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2024-04-06 00:40:38,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793561486] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:40:38,415 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:40:38,416 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 13 [2024-04-06 00:40:38,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873263910] [2024-04-06 00:40:38,416 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:40:38,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 00:40:38,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:38,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 00:40:38,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-04-06 00:40:38,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:38,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:38,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 21.846153846153847) internal successors, (284), 13 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:40:38,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:38,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:40:38,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-06 00:40:38,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 00:40:38,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:40:38,866 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:38,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:38,866 INFO L85 PathProgramCache]: Analyzing trace with hash -508002619, now seen corresponding path program 2 times [2024-04-06 00:40:38,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:38,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194000879] [2024-04-06 00:40:38,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:38,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:38,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:40:40,824 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 42 proven. 174 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 00:40:40,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:40:40,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194000879] [2024-04-06 00:40:40,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194000879] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:40:40,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986638600] [2024-04-06 00:40:40,825 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 00:40:40,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:40:40,825 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:40:40,826 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) [2024-04-06 00:40:40,828 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 00:40:41,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 00:40:41,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 00:40:41,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 71 conjunts are in the unsatisfiable core [2024-04-06 00:40:41,019 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:40:41,517 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 23 treesize of output 1 [2024-04-06 00:40:42,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-06 00:40:42,014 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 48 treesize of output 19 [2024-04-06 00:40:42,758 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 10 [2024-04-06 00:40:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 127 proven. 89 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 00:40:42,909 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 00:40:44,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2024-04-06 00:40:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 154 proven. 62 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-06 00:40:45,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986638600] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 00:40:45,068 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 00:40:45,068 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 30, 29] total 88 [2024-04-06 00:40:45,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417945383] [2024-04-06 00:40:45,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 00:40:45,069 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-04-06 00:40:45,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:40:45,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-04-06 00:40:45,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=7349, Unknown=0, NotChecked=0, Total=7656 [2024-04-06 00:40:45,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:45,072 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:40:45,073 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 9.068181818181818) internal successors, (798), 88 states have internal predecessors, (798), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-06 00:40:45,073 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:59,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 00:40:59,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-04-06 00:40:59,304 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 00:40:59,499 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,SelfDestructingSolverStorable10 [2024-04-06 00:40:59,499 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:40:59,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:40:59,500 INFO L85 PathProgramCache]: Analyzing trace with hash 201329716, now seen corresponding path program 1 times [2024-04-06 00:40:59,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:40:59,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524780335] [2024-04-06 00:40:59,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:40:59,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:40:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:41:00,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2158 backedges. 245 proven. 1297 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2024-04-06 00:41:00,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:41:00,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524780335] [2024-04-06 00:41:00,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524780335] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:41:00,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [484445521] [2024-04-06 00:41:00,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:41:00,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:41:00,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:41:00,746 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 00:41:00,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 00:41:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:41:01,015 INFO L262 TraceCheckSpWp]: Trace formula consists of 1323 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 00:41:01,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:41:01,465 INFO L134 CoverageAnalysis]: Checked inductivity of 2158 backedges. 1854 proven. 0 refuted. 0 times theorem prover too weak. 304 trivial. 0 not checked. [2024-04-06 00:41:01,465 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 00:41:01,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [484445521] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:41:01,466 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 00:41:01,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [14] total 25 [2024-04-06 00:41:01,468 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287477460] [2024-04-06 00:41:01,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:41:01,469 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 00:41:01,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:41:01,470 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 00:41:01,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=509, Unknown=0, NotChecked=0, Total=600 [2024-04-06 00:41:01,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:01,471 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:41:01,472 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 38.23076923076923) internal successors, (497), 13 states have internal predecessors, (497), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-04-06 00:41:01,472 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:41:01,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 00:41:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-04-06 00:41:01,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 00:41:01,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 00:41:02,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-06 00:41:02,142 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:41:02,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:41:02,143 INFO L85 PathProgramCache]: Analyzing trace with hash -1661272027, now seen corresponding path program 1 times [2024-04-06 00:41:02,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:41:02,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318726940] [2024-04-06 00:41:02,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:41:02,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:41:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:41:02,555 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 577 proven. 318 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:41:02,555 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 00:41:02,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318726940] [2024-04-06 00:41:02,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318726940] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 00:41:02,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428075613] [2024-04-06 00:41:02,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:41:02,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 00:41:02,556 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 00:41:02,557 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 00:41:02,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 00:41:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 00:41:02,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 949 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 00:41:02,799 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 00:41:03,182 INFO L134 CoverageAnalysis]: Checked inductivity of 895 backedges. 895 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-06 00:41:03,182 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 00:41:03,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428075613] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 00:41:03,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 00:41:03,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-04-06 00:41:03,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007793934] [2024-04-06 00:41:03,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 00:41:03,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 00:41:03,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 00:41:03,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 00:41:03,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-04-06 00:41:03,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:03,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 00:41:03,185 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 36.61538461538461) internal successors, (476), 13 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 00:41:03,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 00:41:03,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 00:41:03,849 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 00:41:04,047 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,SelfDestructingSolverStorable12 [2024-04-06 00:41:04,048 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-06 00:41:04,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 00:41:04,049 INFO L85 PathProgramCache]: Analyzing trace with hash 1236066170, now seen corresponding path program 3 times [2024-04-06 00:41:04,049 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 00:41:04,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033305148] [2024-04-06 00:41:04,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 00:41:04,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 00:41:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 00:41:04,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-06 00:41:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-06 00:41:04,370 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-06 00:41:04,371 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-06 00:41:04,371 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-04-06 00:41:04,372 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-04-06 00:41:04,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-04-06 00:41:04,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-06 00:41:04,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-06 00:41:04,373 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-06 00:41:04,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-04-06 00:41:04,376 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-06 00:41:04,381 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 00:41:04,381 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 00:41:04,500 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre48 could not be translated [2024-04-06 00:41:04,503 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre50 could not be translated [2024-04-06 00:41:04,506 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2024-04-06 00:41:04,512 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated [2024-04-06 00:41:04,513 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated [2024-04-06 00:41:04,514 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated [2024-04-06 00:41:04,515 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated [2024-04-06 00:41:04,517 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,517 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,517 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,518 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,518 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated [2024-04-06 00:41:04,518 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated [2024-04-06 00:41:04,518 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated [2024-04-06 00:41:04,519 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated [2024-04-06 00:41:04,519 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated [2024-04-06 00:41:04,519 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,520 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,520 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,520 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,520 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated [2024-04-06 00:41:04,520 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated [2024-04-06 00:41:04,521 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated [2024-04-06 00:41:04,521 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated [2024-04-06 00:41:04,522 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated [2024-04-06 00:41:04,522 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,522 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,522 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,522 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,523 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated [2024-04-06 00:41:04,523 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated [2024-04-06 00:41:04,524 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated [2024-04-06 00:41:04,524 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated [2024-04-06 00:41:04,529 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated [2024-04-06 00:41:04,529 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,530 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,530 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2024-04-06 00:41:04,530 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated [2024-04-06 00:41:04,530 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated [2024-04-06 00:41:04,532 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated [2024-04-06 00:41:04,533 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated [2024-04-06 00:41:04,551 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 12:41:04 BasicIcfg [2024-04-06 00:41:04,551 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 00:41:04,551 INFO L158 Benchmark]: Toolchain (without parser) took 41796.22ms. Allocated memory was 347.1MB in the beginning and 942.7MB in the end (delta: 595.6MB). Free memory was 275.1MB in the beginning and 750.6MB in the end (delta: -475.6MB). Peak memory consumption was 536.8MB. Max. memory is 8.0GB. [2024-04-06 00:41:04,552 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 183.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 00:41:04,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 510.78ms. Allocated memory is still 347.1MB. Free memory was 274.9MB in the beginning and 302.9MB in the end (delta: -27.9MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. [2024-04-06 00:41:04,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.13ms. Allocated memory is still 347.1MB. Free memory was 302.4MB in the beginning and 299.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-06 00:41:04,552 INFO L158 Benchmark]: Boogie Preprocessor took 19.72ms. Allocated memory is still 347.1MB. Free memory was 299.7MB in the beginning and 298.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 00:41:04,552 INFO L158 Benchmark]: RCFGBuilder took 498.57ms. Allocated memory is still 347.1MB. Free memory was 298.2MB in the beginning and 278.2MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-04-06 00:41:04,552 INFO L158 Benchmark]: TraceAbstraction took 40725.06ms. Allocated memory was 347.1MB in the beginning and 942.7MB in the end (delta: 595.6MB). Free memory was 276.7MB in the beginning and 750.6MB in the end (delta: -474.0MB). Peak memory consumption was 537.4MB. Max. memory is 8.0GB. [2024-04-06 00:41:04,553 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 183.5MB. Free memory is still 148.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 510.78ms. Allocated memory is still 347.1MB. Free memory was 274.9MB in the beginning and 302.9MB in the end (delta: -27.9MB). Peak memory consumption was 26.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.13ms. Allocated memory is still 347.1MB. Free memory was 302.4MB in the beginning and 299.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.72ms. Allocated memory is still 347.1MB. Free memory was 299.7MB in the beginning and 298.2MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 498.57ms. Allocated memory is still 347.1MB. Free memory was 298.2MB in the beginning and 278.2MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 40725.06ms. Allocated memory was 347.1MB in the beginning and 942.7MB in the end (delta: 595.6MB). Free memory was 276.7MB in the beginning and 750.6MB in the end (delta: -474.0MB). Peak memory consumption was 537.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret46 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30249, independent: 21672, independent conditional: 21342, independent unconditional: 330, dependent: 8577, dependent conditional: 8389, dependent unconditional: 188, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21686, independent: 21672, independent conditional: 21342, independent unconditional: 330, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21686, independent: 21672, independent conditional: 21342, independent unconditional: 330, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 21686, independent: 21672, independent conditional: 21342, independent unconditional: 330, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21788, independent: 21672, independent conditional: 5514, independent unconditional: 16158, dependent: 116, dependent conditional: 88, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21788, independent: 21672, independent conditional: 2577, independent unconditional: 19095, dependent: 116, dependent conditional: 14, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21788, independent: 21672, independent conditional: 2577, independent unconditional: 19095, dependent: 116, dependent conditional: 14, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1126, independent: 1124, independent conditional: 9, independent unconditional: 1115, 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: 1126, independent: 1122, independent conditional: 0, independent unconditional: 1122, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21788, independent: 20548, independent conditional: 2568, independent unconditional: 17980, dependent: 114, dependent conditional: 13, dependent unconditional: 101, unknown: 1126, unknown conditional: 10, unknown unconditional: 1116] , Statistics on independence cache: Total cache size (in pairs): 1126, Positive cache size: 1124, Positive conditional cache size: 9, Positive unconditional cache size: 1115, 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: 3011, Maximal queried relation: 8, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21788, independent: 21672, independent conditional: 5514, independent unconditional: 16158, dependent: 116, dependent conditional: 88, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21788, independent: 21672, independent conditional: 2577, independent unconditional: 19095, dependent: 116, dependent conditional: 14, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21788, independent: 21672, independent conditional: 2577, independent unconditional: 19095, dependent: 116, dependent conditional: 14, dependent unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1126, independent: 1124, independent conditional: 9, independent unconditional: 1115, 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: 1126, independent: 1122, independent conditional: 0, independent unconditional: 1122, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, 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: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 27, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 3, dependent conditional: 2, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21788, independent: 20548, independent conditional: 2568, independent unconditional: 17980, dependent: 114, dependent conditional: 13, dependent unconditional: 101, unknown: 1126, unknown conditional: 10, unknown unconditional: 1116] , Statistics on independence cache: Total cache size (in pairs): 1126, Positive cache size: 1124, Positive conditional cache size: 9, Positive unconditional cache size: 1115, 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: 3011 ], Independence queries for same thread: 8563 - CounterExampleResult [Line: 941]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L935] 0 static int top=0; VAL [top=0] [L936] 0 static unsigned int arr[(5)]; VAL [arr={3:0}, top=0] [L937] 0 pthread_mutex_t m; VAL [arr={3:0}, m={4:0}, top=0] [L938] 0 _Bool flag=(0); VAL [arr={3:0}, flag=0, m={4:0}, top=0] [L1021] 0 pthread_t id1, id2; VAL [arr={3:0}, flag=0, id1={9:0}, id2={6:0}, m={4:0}, top=0] [L1023] FCALL, FORK 0 pthread_create(&id1, ((void *)0), t1, ((void *)0)) VAL [arr={3:0}, flag=0, id1={9:0}, id2={6:0}, m={4:0}, top=0] [L990] 1 int i; VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, m={4:0}, top=0] [L991] 1 unsigned int tmp; VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, m={4:0}, top=0] [L992] 1 i=0 VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, top=0] [L1024] FCALL, FORK 0 pthread_create(&id2, ((void *)0), t2, ((void *)0)) VAL [arr={3:0}, flag=0, id1={9:0}, id2={6:0}, m={4:0}, top=0] [L1006] 2 int i; VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, m={4:0}, top=0] [L1007] 2 i=0 VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, top=0] [L1025] 0 \read(id1) VAL [arr={3:0}, flag=0, id1={9:0}, id2={6:0}, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, tmp=4, top=0] [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={3:0}, cond=1, flag=0, m={4:0}, top=0] [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; VAL [\result=0, arr={3:0}, flag=0, m={4:0}, top=0] [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x VAL [\old(x)=4, arr={3:0}, flag=0, m={4:0}, stack={3:0}, stack={3:0}, top=0, x=4] [L970] CALL 1 inc_top() [L946] 1 top++ VAL [arr={3:0}, flag=0, m={4:0}, top=1] [L970] RET 1 inc_top() [L972] 1 return 0; VAL [\old(x)=4, \result=0, arr={3:0}, flag=0, m={4:0}, stack={3:0}, stack={3:0}, top=1, x=4] [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=0, i=0, m={4:0}, tmp=4, top=1] [L999] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=0, m={4:0}, tmp=4, top=1] [L992] 1 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=4, top=1] [L1007] COND TRUE 2 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=0, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=1, arr={3:0}, flag=1, m={4:0}, top=1] [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=1] [L983] CALL 2 dec_top() [L950] 2 top-- VAL [arr={3:0}, flag=1, m={4:0}, top=0] [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L984] 2 return stack[get_top()]; VAL [\result=4, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=0, m={4:0}, top=0] [L1007] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=4, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=3, top=0] [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={3:0}, cond=1, flag=1, m={4:0}, top=0] [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x VAL [\old(x)=3, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0, x=3] [L970] CALL 1 inc_top() [L946] 1 top++ VAL [arr={3:0}, flag=1, m={4:0}, top=1] [L970] RET 1 inc_top() [L972] 1 return 0; VAL [\old(x)=3, \result=0, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=1, x=3] [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=3, top=1] [L999] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, tmp=3, top=1] [L992] 1 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=3, top=1] [L1007] COND TRUE 2 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=1, arr={3:0}, flag=1, m={4:0}, top=1] [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=1] [L983] CALL 2 dec_top() [L950] 2 top-- VAL [arr={3:0}, flag=1, m={4:0}, top=0] [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L984] 2 return stack[get_top()]; VAL [\result=3, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=1, m={4:0}, top=0] [L1007] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=3, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=4, top=0] [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={3:0}, cond=1, flag=1, m={4:0}, top=0] [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x VAL [\old(x)=4, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0, x=4] [L970] CALL 1 inc_top() [L946] 1 top++ VAL [arr={3:0}, flag=1, m={4:0}, top=1] [L970] RET 1 inc_top() [L972] 1 return 0; VAL [\old(x)=4, \result=0, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=1, x=4] [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=4, top=1] [L999] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, tmp=4, top=1] [L992] 1 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=4, top=1] [L1007] COND TRUE 2 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=1, arr={3:0}, flag=1, m={4:0}, top=1] [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=1] [L983] CALL 2 dec_top() [L950] 2 top-- VAL [arr={3:0}, flag=1, m={4:0}, top=0] [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L984] 2 return stack[get_top()]; VAL [\result=4, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=2, m={4:0}, top=0] [L1007] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=4, top=0] [L995] 1 tmp = __VERIFIER_nondet_uint() VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=4, top=0] [L996] CALL 1 assume_abort_if_not(tmp < (5)) [L23] COND FALSE 1 !(!cond) VAL [\old(cond)=1, arr={3:0}, cond=1, flag=1, m={4:0}, top=0] [L996] RET 1 assume_abort_if_not(tmp < (5)) [L997] CALL, EXPR 1 push(arr,tmp) [L962] COND FALSE 1 !(top==(5)) [L969] CALL, EXPR 1 get_top() [L954] 1 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L969] RET, EXPR 1 get_top() [L969] 1 stack[get_top()] = x VAL [\old(x)=4, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0, x=4] [L970] CALL 1 inc_top() [L946] 1 top++ VAL [arr={3:0}, flag=1, m={4:0}, top=1] [L970] RET 1 inc_top() [L972] 1 return 0; VAL [\old(x)=4, \result=0, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=1, x=4] [L997] RET, EXPR 1 push(arr,tmp) [L997] COND FALSE 1 !(push(arr,tmp)==(-1)) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=4, top=1] [L999] 1 flag=(1) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, tmp=4, top=1] [L992] 1 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, tmp=4, top=1] [L1007] COND TRUE 2 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, top=1] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=1, arr={3:0}, flag=1, m={4:0}, top=1] [L976] RET, EXPR 2 get_top() [L976] COND FALSE 2 !(get_top()==0) VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=1] [L983] CALL 2 dec_top() [L950] 2 top-- VAL [arr={3:0}, flag=1, m={4:0}, top=0] [L983] RET 2 dec_top() [L984] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L984] RET, EXPR 2 get_top() [L984] EXPR 2 stack[get_top()] VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L984] 2 return stack[get_top()]; VAL [\result=4, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L1012] RET, EXPR 2 pop(arr) [L1012] COND FALSE 2 !(!(pop(arr)!=(-2))) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=3, m={4:0}, top=0] [L1007] 2 i++ VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, top=0] [L992] COND TRUE 1 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, tmp=4, top=0] [L1007] COND TRUE 2 i<(5) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, top=0] [L1010] COND TRUE 2 \read(flag) [L1012] CALL, EXPR 2 pop(arr) [L976] CALL, EXPR 2 get_top() [L954] 2 return top; VAL [\result=0, \result=0, arr={3:0}, flag=1, m={4:0}, top=0] [L976] RET, EXPR 2 get_top() [L976] COND TRUE 2 get_top()==0 VAL [arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L979] 2 return (-2); VAL [\result=-2, arr={3:0}, flag=1, m={4:0}, stack={3:0}, stack={3:0}, top=0] [L1012] RET, EXPR 2 pop(arr) [L1012] COND TRUE 2 !(pop(arr)!=(-2)) VAL [arg={0:0}, arg={0:0}, arr={3:0}, flag=1, i=4, m={4:0}, top=0] [L1013] CALL 2 error() [L941] 2 reach_error() VAL [arr={3:0}, flag=1, m={4:0}, top=0] - UnprovableResult [Line: 1024]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 1023]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - UnprovableResult [Line: 941]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 274 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 40.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 20.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 354, 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: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.0s InterpolantComputationTime, 5473 NumberOfCodeBlocks, 5473 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 6047 ConstructedInterpolants, 10 QuantifiedInterpolants, 29809 SizeOfPredicates, 114 NumberOfNonLiveVariables, 4342 ConjunctsInSsa, 188 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 5902/8191 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-04-06 00:41:04,577 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 [2024-04-06 00:41:04,777 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 Received shutdown request...