/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking LOOP -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 09:19:13,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 09:19:13,547 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 09:19:13,551 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 09:19:13,551 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 09:19:13,585 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 09:19:13,585 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 09:19:13,586 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 09:19:13,586 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 09:19:13,589 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 09:19:13,590 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 09:19:13,590 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 09:19:13,590 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 09:19:13,591 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 09:19:13,591 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 09:19:13,591 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 09:19:13,591 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 09:19:13,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 09:19:13,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 09:19:13,592 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 09:19:13,592 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 09:19:13,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 09:19:13,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 09:19:13,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 09:19:13,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 09:19:13,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 09:19:13,594 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 09:19:13,594 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 09:19:13,594 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 09:19:13,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 09:19:13,595 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 09:19:13,595 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 09:19:13,596 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-05-05 09:19:13,807 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 09:19:13,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 09:19:13,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 09:19:13,838 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 09:19:13,838 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 09:19:13,839 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-05-05 09:19:14,785 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 09:19:14,976 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 09:19:14,977 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i [2024-05-05 09:19:14,988 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/433a126d4/f70b9f48142147a39106c7e4598ac76e/FLAGea03256e2 [2024-05-05 09:19:15,012 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/433a126d4/f70b9f48142147a39106c7e4598ac76e [2024-05-05 09:19:15,014 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 09:19:15,015 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 09:19:15,016 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 09:19:15,016 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 09:19:15,020 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 09:19:15,020 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,021 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f65b76d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15, skipping insertion in model container [2024-05-05 09:19:15,021 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,073 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 09:19:15,205 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-05-05 09:19:15,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 09:19:15,407 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 09:19:15,417 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_04-priv_multi_true.i[1087,1100] [2024-05-05 09:19:15,465 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 09:19:15,554 WARN L675 CHandler]: The function sleep is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 09:19:15,559 INFO L206 MainTranslator]: Completed translation [2024-05-05 09:19:15,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15 WrapperNode [2024-05-05 09:19:15,560 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 09:19:15,560 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 09:19:15,561 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 09:19:15,561 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 09:19:15,565 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,601 INFO L138 Inliner]: procedures = 272, calls = 53, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-05-05 09:19:15,601 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 09:19:15,602 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 09:19:15,602 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 09:19:15,602 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 09:19:15,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,625 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,645 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 09:19:15,646 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 09:19:15,646 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 09:19:15,646 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 09:19:15,647 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (1/1) ... [2024-05-05 09:19:15,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 09:19:15,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 09:19:15,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 09:19:15,713 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure generate [2024-05-05 09:19:15,744 INFO L138 BoogieDeclarations]: Found implementation of procedure generate [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-05 09:19:15,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 09:19:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure dispose [2024-05-05 09:19:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dispose [2024-05-05 09:19:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure process [2024-05-05 09:19:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure process [2024-05-05 09:19:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 09:19:15,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 09:19:15,745 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 09:19:15,746 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 09:19:15,963 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 09:19:15,964 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 09:19:16,108 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 09:19:16,140 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 09:19:16,144 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-05 09:19:16,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 09:19:16 BoogieIcfgContainer [2024-05-05 09:19:16,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 09:19:16,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 09:19:16,148 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 09:19:16,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 09:19:16,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 09:19:15" (1/3) ... [2024-05-05 09:19:16,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53777d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 09:19:16, skipping insertion in model container [2024-05-05 09:19:16,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 09:19:15" (2/3) ... [2024-05-05 09:19:16,152 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53777d0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 09:19:16, skipping insertion in model container [2024-05-05 09:19:16,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 09:19:16" (3/3) ... [2024-05-05 09:19:16,153 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_04-priv_multi_true.i [2024-05-05 09:19:16,159 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 09:19:16,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 09:19:16,165 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-05-05 09:19:16,165 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 09:19:16,218 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-05 09:19:16,248 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 09:19:16,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 09:19:16,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 09:19:16,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 09:19:16,257 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 09:19:16,279 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 09:19:16,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 09:19:16,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 09:19:16,294 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;@1c9f386c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 09:19:16,294 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-05-05 09:19:16,405 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 09:19:16,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 09:19:16,408 INFO L85 PathProgramCache]: Analyzing trace with hash 750334300, now seen corresponding path program 1 times [2024-05-05 09:19:16,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 09:19:16,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837235774] [2024-05-05 09:19:16,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:16,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:17,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 09:19:17,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 09:19:17,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837235774] [2024-05-05 09:19:17,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837235774] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 09:19:17,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 09:19:17,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-05 09:19:17,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825727507] [2024-05-05 09:19:17,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 09:19:17,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 09:19:17,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 09:19:17,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 09:19:17,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-05-05 09:19:17,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:17,424 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 09:19:17,425 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.125) internal successors, (97), 8 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 09:19:17,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:17,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 09:19:17,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 09:19:17,633 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 09:19:17,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 09:19:17,635 INFO L85 PathProgramCache]: Analyzing trace with hash -953875340, now seen corresponding path program 1 times [2024-05-05 09:19:17,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 09:19:17,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061681316] [2024-05-05 09:19:17,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:17,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:17,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 09:19:18,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 09:19:18,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061681316] [2024-05-05 09:19:18,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061681316] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 09:19:18,037 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 09:19:18,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-05-05 09:19:18,037 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457814938] [2024-05-05 09:19:18,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 09:19:18,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-05 09:19:18,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 09:19:18,073 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-05 09:19:18,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-05-05 09:19:18,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:18,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 09:19:18,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 10.818181818181818) internal successors, (119), 11 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 09:19:18,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-05 09:19:18,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:18,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 09:19:18,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-05 09:19:18,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 09:19:18,764 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 09:19:18,764 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 09:19:18,765 INFO L85 PathProgramCache]: Analyzing trace with hash -202299859, now seen corresponding path program 1 times [2024-05-05 09:19:18,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 09:19:18,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764722307] [2024-05-05 09:19:18,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:18,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:18,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:19,143 INFO L134 CoverageAnalysis]: Checked inductivity of 971 backedges. 380 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2024-05-05 09:19:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 09:19:19,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764722307] [2024-05-05 09:19:19,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764722307] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 09:19:19,144 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 09:19:19,144 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-05 09:19:19,144 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835201115] [2024-05-05 09:19:19,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 09:19:19,145 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-05 09:19:19,145 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 09:19:19,281 INFO L85 PathProgramCache]: Analyzing trace with hash -353181577, now seen corresponding path program 1 times [2024-05-05 09:19:19,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:19,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:19,693 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-05 09:19:19,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:19,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:20,037 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-05-05 09:19:20,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 09:19:20,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-05 09:19:20,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:20,039 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 09:19:20,041 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 44.285714285714285) internal successors, (310), 8 states have internal predecessors, (310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 09:19:20,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-05 09:19:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-05 09:19:20,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-05 09:19:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 09:19:21,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 09:19:21,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable2 [2024-05-05 09:19:21,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting disposeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 09:19:21,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 09:19:21,425 INFO L85 PathProgramCache]: Analyzing trace with hash 128086107, now seen corresponding path program 2 times [2024-05-05 09:19:21,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 09:19:21,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876976094] [2024-05-05 09:19:21,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:21,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:22,062 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 259 proven. 22 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-05-05 09:19:22,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 09:19:22,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876976094] [2024-05-05 09:19:22,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876976094] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 09:19:22,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2075915207] [2024-05-05 09:19:22,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 09:19:22,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 09:19:22,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 09:19:22,098 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 09:19:22,124 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 09:19:22,373 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 09:19:22,374 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 09:19:22,378 INFO L262 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-05 09:19:22,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 09:19:22,511 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 259 proven. 22 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-05-05 09:19:22,511 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 09:19:22,595 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 259 proven. 22 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2024-05-05 09:19:22,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2075915207] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 09:19:22,596 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 09:19:22,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 14 [2024-05-05 09:19:22,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422089654] [2024-05-05 09:19:22,596 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 09:19:22,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-05-05 09:19:22,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 09:19:22,789 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:22,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-05-05 09:19:22,912 INFO L85 PathProgramCache]: Analyzing trace with hash -62658540, now seen corresponding path program 2 times [2024-05-05 09:19:22,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:22,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:22,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:22,943 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,097 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:23,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-05-05 09:19:23,197 INFO L85 PathProgramCache]: Analyzing trace with hash -2005486989, now seen corresponding path program 3 times [2024-05-05 09:19:23,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:23,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:23,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:23,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,328 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:23,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-05-05 09:19:23,369 INFO L85 PathProgramCache]: Analyzing trace with hash 170487040, now seen corresponding path program 4 times [2024-05-05 09:19:23,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:23,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:23,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,613 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:23,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-05-05 09:19:23,659 INFO L85 PathProgramCache]: Analyzing trace with hash 1068398199, now seen corresponding path program 5 times [2024-05-05 09:19:23,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:23,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,698 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,857 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:23,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-05-05 09:19:23,903 INFO L85 PathProgramCache]: Analyzing trace with hash 3689121, now seen corresponding path program 6 times [2024-05-05 09:19:23,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:23,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:23,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:24,092 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:24,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-05-05 09:19:24,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1848511254, now seen corresponding path program 7 times [2024-05-05 09:19:24,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:24,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:24,206 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:24,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:24,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-05-05 09:19:24,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210 [2024-05-05 09:19:24,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:24,385 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 09:19:24,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 13.928571428571429) internal successors, (195), 14 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 09:19:24,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-05 09:19:24,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 09:19:24,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 09:19:24,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 09:19:37,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-05 09:19:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 09:19:37,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 09:19:37,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 09:19:37,781 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,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable9 [2024-05-05 09:19:37,781 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 09:19:37,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 09:19:37,782 INFO L85 PathProgramCache]: Analyzing trace with hash -364598648, now seen corresponding path program 1 times [2024-05-05 09:19:37,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 09:19:37,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672049556] [2024-05-05 09:19:37,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:37,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:37,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 179 proven. 7 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-05-05 09:19:38,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 09:19:38,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672049556] [2024-05-05 09:19:38,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672049556] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 09:19:38,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404182945] [2024-05-05 09:19:38,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:38,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 09:19:38,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 09:19:38,189 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 09:19:38,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 09:19:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:38,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-05 09:19:38,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 09:19:38,569 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 195 trivial. 0 not checked. [2024-05-05 09:19:38,569 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 09:19:38,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404182945] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 09:19:38,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 09:19:38,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [11] total 14 [2024-05-05 09:19:38,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637313397] [2024-05-05 09:19:38,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 09:19:38,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-05-05 09:19:38,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 09:19:38,677 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:38,677 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 270 treesize of output 246 [2024-05-05 09:19:38,737 INFO L85 PathProgramCache]: Analyzing trace with hash -62658540, now seen corresponding path program 8 times [2024-05-05 09:19:38,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:38,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:38,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:38,915 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:39,053 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:39,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1038 treesize of output 942 [2024-05-05 09:19:39,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2005486989, now seen corresponding path program 9 times [2024-05-05 09:19:39,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:39,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:39,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:39,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-05-05 09:19:39,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-05-05 09:19:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:39,339 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 09:19:39,339 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.0) internal successors, (187), 11 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 09:19:39,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-05 09:19:39,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-05 09:19:39,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 09:19:39,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 09:19:39,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 09:19:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-05 09:19:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 09:19:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 09:19:54,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-05 09:19:54,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 09:19:54,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2024-05-05 09:19:54,750 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-05-05 09:19:54,750 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 09:19:54,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1462128473, now seen corresponding path program 2 times [2024-05-05 09:19:54,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 09:19:54,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769682788] [2024-05-05 09:19:54,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:54,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:54,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 09:19:55,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 576 proven. 28 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-05-05 09:19:55,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 09:19:55,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769682788] [2024-05-05 09:19:55,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [769682788] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 09:19:55,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330158831] [2024-05-05 09:19:55,641 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 09:19:55,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 09:19:55,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 09:19:55,642 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 09:19:55,646 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 09:19:56,079 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 09:19:56,080 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 09:19:56,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 1362 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-05 09:19:56,088 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 09:19:56,228 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 592 proven. 12 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-05-05 09:19:56,228 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 09:19:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 1677 backedges. 576 proven. 28 refuted. 0 times theorem prover too weak. 1073 trivial. 0 not checked. [2024-05-05 09:19:56,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330158831] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 09:19:56,328 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 09:19:56,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 15 [2024-05-05 09:19:56,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643014245] [2024-05-05 09:19:56,328 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 09:19:56,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-05 09:19:56,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 09:19:56,433 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:56,434 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 514 treesize of output 466 [2024-05-05 09:19:56,508 INFO L85 PathProgramCache]: Analyzing trace with hash -62658540, now seen corresponding path program 10 times [2024-05-05 09:19:56,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:56,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:56,533 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:56,662 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-05 09:19:56,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 550 treesize of output 502 [2024-05-05 09:19:56,733 INFO L85 PathProgramCache]: Analyzing trace with hash -2005486989, now seen corresponding path program 11 times [2024-05-05 09:19:56,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 09:19:56,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 09:19:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:56,768 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 09:19:56,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 09:19:57,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-05 09:19:57,139 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=206, Unknown=0, NotChecked=0, Total=240 [2024-05-05 09:19:57,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:19:57,139 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 09:19:57,139 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.133333333333333) internal successors, (227), 15 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 09:19:57,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-05 09:19:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-05 09:19:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-05 09:19:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-05 09:19:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-05 09:19:57,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 09:22:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 09:22:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-05 09:22:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-05 09:22:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-05 09:22:28,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-05 09:22:28,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-05 09:22:28,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2024-05-05 09:22:28,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 6 remaining) [2024-05-05 09:22:28,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2024-05-05 09:22:28,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2024-05-05 09:22:28,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-05-05 09:22:28,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location disposeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-05-05 09:22:28,935 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 09:22:29,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-05-05 09:22:29,142 INFO L448 BasicCegarLoop]: Path program histogram: [11, 2, 2, 1, 1] [2024-05-05 09:22:29,146 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 09:22:29,146 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 09:22:29,161 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 09:22:29 BasicIcfg [2024-05-05 09:22:29,161 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 09:22:29,161 INFO L158 Benchmark]: Toolchain (without parser) took 194146.24ms. Allocated memory was 367.0MB in the beginning and 8.0GB in the end (delta: 7.6GB). Free memory was 293.3MB in the beginning and 6.2GB in the end (delta: -5.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2024-05-05 09:22:29,162 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 192.9MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 09:22:29,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.77ms. Allocated memory is still 367.0MB. Free memory was 293.2MB in the beginning and 323.2MB in the end (delta: -30.0MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. [2024-05-05 09:22:29,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.08ms. Allocated memory is still 367.0MB. Free memory was 323.2MB in the beginning and 320.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 09:22:29,162 INFO L158 Benchmark]: Boogie Preprocessor took 43.74ms. Allocated memory is still 367.0MB. Free memory was 320.6MB in the beginning and 317.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-05 09:22:29,162 INFO L158 Benchmark]: RCFGBuilder took 499.85ms. Allocated memory is still 367.0MB. Free memory was 317.9MB in the beginning and 291.2MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2024-05-05 09:22:29,162 INFO L158 Benchmark]: TraceAbstraction took 193013.04ms. Allocated memory was 367.0MB in the beginning and 8.0GB in the end (delta: 7.6GB). Free memory was 290.2MB in the beginning and 6.2GB in the end (delta: -5.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2024-05-05 09:22:29,163 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 192.9MB. Free memory is still 159.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 543.77ms. Allocated memory is still 367.0MB. Free memory was 293.2MB in the beginning and 323.2MB in the end (delta: -30.0MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.08ms. Allocated memory is still 367.0MB. Free memory was 323.2MB in the beginning and 320.6MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 43.74ms. Allocated memory is still 367.0MB. Free memory was 320.6MB in the beginning and 317.9MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 499.85ms. Allocated memory is still 367.0MB. Free memory was 317.9MB in the beginning and 291.2MB in the end (delta: 26.7MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 193013.04ms. Allocated memory was 367.0MB in the beginning and 8.0GB in the end (delta: 7.6GB). Free memory was 290.2MB in the beginning and 6.2GB in the end (delta: -5.9GB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 16077037, independent: 15619591, independent conditional: 15612565, independent unconditional: 7026, dependent: 457446, dependent conditional: 457443, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15635853, independent: 15619591, independent conditional: 15612565, independent unconditional: 7026, dependent: 16262, dependent conditional: 16259, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15635853, independent: 15619591, independent conditional: 15612565, independent unconditional: 7026, dependent: 16262, dependent conditional: 16259, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 15635853, independent: 15619591, independent conditional: 15612565, independent unconditional: 7026, dependent: 16262, dependent conditional: 16259, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15811827, independent: 15619591, independent conditional: 31520, independent unconditional: 15588071, dependent: 192236, dependent conditional: 135530, dependent unconditional: 56706, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15811827, independent: 15619591, independent conditional: 24956, independent unconditional: 15594635, dependent: 192236, dependent conditional: 16233, dependent unconditional: 176003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15811827, independent: 15619591, independent conditional: 24956, independent unconditional: 15594635, dependent: 192236, dependent conditional: 16233, dependent unconditional: 176003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6310, independent: 6253, independent conditional: 97, independent unconditional: 6156, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6310, independent: 6207, independent conditional: 0, independent unconditional: 6207, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 46, independent conditional: 19, independent unconditional: 27, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 46, independent conditional: 19, independent unconditional: 27, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, independent: 104, independent conditional: 35, independent unconditional: 68, dependent: 112, dependent conditional: 45, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15811827, independent: 15613338, independent conditional: 24859, independent unconditional: 15588479, dependent: 192179, dependent conditional: 16210, dependent unconditional: 175969, unknown: 6310, unknown conditional: 120, unknown unconditional: 6190] , Statistics on independence cache: Total cache size (in pairs): 6310, Positive cache size: 6253, Positive conditional cache size: 97, Positive unconditional cache size: 6156, Negative cache size: 57, Negative conditional cache size: 23, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 125861, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 15811827, independent: 15619591, independent conditional: 31520, independent unconditional: 15588071, dependent: 192236, dependent conditional: 135530, dependent unconditional: 56706, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 15811827, independent: 15619591, independent conditional: 24956, independent unconditional: 15594635, dependent: 192236, dependent conditional: 16233, dependent unconditional: 176003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 15811827, independent: 15619591, independent conditional: 24956, independent unconditional: 15594635, dependent: 192236, dependent conditional: 16233, dependent unconditional: 176003, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6310, independent: 6253, independent conditional: 97, independent unconditional: 6156, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6310, independent: 6207, independent conditional: 0, independent unconditional: 6207, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 103, independent: 46, independent conditional: 19, independent unconditional: 27, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 103, independent: 46, independent conditional: 19, independent unconditional: 27, dependent: 57, dependent conditional: 23, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 216, independent: 104, independent conditional: 35, independent unconditional: 68, dependent: 112, dependent conditional: 45, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 15811827, independent: 15613338, independent conditional: 24859, independent unconditional: 15588479, dependent: 192179, dependent conditional: 16210, dependent unconditional: 175969, unknown: 6310, unknown conditional: 120, unknown unconditional: 6190] , Statistics on independence cache: Total cache size (in pairs): 6310, Positive cache size: 6253, Positive conditional cache size: 97, Positive unconditional cache size: 6156, Negative cache size: 57, Negative conditional cache size: 23, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 125861 ], Independence queries for same thread: 441184 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 226 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 192.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 182.6s, 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: 159, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 3150 NumberOfCodeBlocks, 3150 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 4073 ConstructedInterpolants, 0 QuantifiedInterpolants, 5654 SizeOfPredicates, 32 NumberOfNonLiveVariables, 3069 ConjunctsInSsa, 76 ConjunctsInUnsatCore, 11 InterpolantComputations, 4 PerfectInterpolantSequences, 8561/8702 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 3.4s, ConditionalCommutativityIAIntegrations: 1, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 11, ConditionalCommutativityTraceChecks: 11, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-05 09:22:29,184 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 09:22:29,385 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...