/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 08:04:51,118 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 08:04:51,162 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 08:04:51,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 08:04:51,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 08:04:51,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 08:04:51,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 08:04:51,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 08:04:51,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 08:04:51,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 08:04:51,205 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 08:04:51,205 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 08:04:51,206 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 08:04:51,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 08:04:51,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 08:04:51,207 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 08:04:51,207 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 08:04:51,208 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 08:04:51,208 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 08:04:51,208 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 08:04:51,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 08:04:51,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 08:04:51,208 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 08:04:51,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 08:04:51,209 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 08:04:51,209 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 08:04:51,209 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 08:04:51,209 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 08:04:51,209 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 08:04:51,209 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 08:04:51,210 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 08:04:51,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-05-06 08:04:51,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 08:04:51,458 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 08:04:51,460 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 08:04:51,461 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 08:04:51,461 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 08:04:51,462 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-06 08:04:52,657 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 08:04:52,776 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 08:04:52,776 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c [2024-05-06 08:04:52,782 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8a5a95431/9815da9a67b245b3b1f005f5f2395e72/FLAG25651bb7b [2024-05-06 08:04:52,795 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/8a5a95431/9815da9a67b245b3b1f005f5f2395e72 [2024-05-06 08:04:52,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 08:04:52,799 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 08:04:52,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 08:04:52,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 08:04:52,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 08:04:52,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:04:52" (1/1) ... [2024-05-06 08:04:52,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74d28d93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:52, skipping insertion in model container [2024-05-06 08:04:52,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 08:04:52" (1/1) ... [2024-05-06 08:04:52,822 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 08:04:52,968 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2024-05-06 08:04:52,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 08:04:52,981 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 08:04:53,002 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr.wvr.c[2037,2050] [2024-05-06 08:04:53,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 08:04:53,013 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 08:04:53,013 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 08:04:53,018 INFO L206 MainTranslator]: Completed translation [2024-05-06 08:04:53,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53 WrapperNode [2024-05-06 08:04:53,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 08:04:53,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 08:04:53,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 08:04:53,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 08:04:53,025 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,030 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,045 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2024-05-06 08:04:53,045 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 08:04:53,046 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 08:04:53,046 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 08:04:53,046 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 08:04:53,063 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,066 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,071 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,073 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,074 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 08:04:53,076 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 08:04:53,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 08:04:53,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 08:04:53,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (1/1) ... [2024-05-06 08:04:53,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 08:04:53,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:04:53,118 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) [2024-05-06 08:04:53,121 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 [2024-05-06 08:04:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 08:04:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 08:04:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 08:04:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 08:04:53,153 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 08:04:53,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 08:04:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 08:04:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 08:04:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 08:04:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 08:04:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 08:04:53,154 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 08:04:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 08:04:53,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 08:04:53,155 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 08:04:53,213 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 08:04:53,214 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 08:04:53,331 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 08:04:53,363 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 08:04:53,363 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-06 08:04:53,364 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:04:53 BoogieIcfgContainer [2024-05-06 08:04:53,364 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 08:04:53,369 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 08:04:53,369 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 08:04:53,371 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 08:04:53,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 08:04:52" (1/3) ... [2024-05-06 08:04:53,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ae74e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:04:53, skipping insertion in model container [2024-05-06 08:04:53,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 08:04:53" (2/3) ... [2024-05-06 08:04:53,372 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78ae74e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 08:04:53, skipping insertion in model container [2024-05-06 08:04:53,372 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 08:04:53" (3/3) ... [2024-05-06 08:04:53,373 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr.wvr.c [2024-05-06 08:04:53,379 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 08:04:53,386 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 08:04:53,386 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 08:04:53,386 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 08:04:53,420 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 08:04:53,449 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 08:04:53,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 08:04:53,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:04:53,451 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) [2024-05-06 08:04:53,453 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 [2024-05-06 08:04:53,474 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 08:04:53,483 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:04:53,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 08:04:53,488 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;@50b3641d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 08:04:53,489 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 08:04:53,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1803503277, now seen corresponding path program 1 times [2024-05-06 08:04:53,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:53,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:53,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 08:04:53,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:53,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:53,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:53,994 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 08:04:54,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 08:04:54,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 08:04:54,201 INFO L85 PathProgramCache]: Analyzing trace with hash 1041553886, now seen corresponding path program 1 times [2024-05-06 08:04:54,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:54,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:54,324 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:04:54,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:54,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:54,391 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:04:54,407 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:04:54,408 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:04:54,408 INFO L85 PathProgramCache]: Analyzing trace with hash -775752303, now seen corresponding path program 1 times [2024-05-06 08:04:54,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:04:54,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147147937] [2024-05-06 08:04:54,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:54,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:54,509 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:04:54,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:04:54,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147147937] [2024-05-06 08:04:54,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147147937] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 08:04:54,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 08:04:54,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 08:04:54,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009280031] [2024-05-06 08:04:54,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 08:04:54,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 08:04:54,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:04:54,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 08:04:54,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-06 08:04:54,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:54,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:04:54,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 08:04:54,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:54,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:04:54,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-06 08:04:54,608 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:04:54,608 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:04:54,608 INFO L85 PathProgramCache]: Analyzing trace with hash -118411185, now seen corresponding path program 1 times [2024-05-06 08:04:54,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:04:54,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903416871] [2024-05-06 08:04:54,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:54,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:54,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:54,897 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:04:54,897 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:04:54,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903416871] [2024-05-06 08:04:54,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1903416871] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:04:54,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11426204] [2024-05-06 08:04:54,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:54,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:04:54,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:04:54,934 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) [2024-05-06 08:04:54,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 08:04:54,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:55,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-06 08:04:55,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:04:55,184 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:04:55,184 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:04:55,342 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 08:04:55,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11426204] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:04:55,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:04:55,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8] total 22 [2024-05-06 08:04:55,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265263692] [2024-05-06 08:04:55,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:04:55,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-06 08:04:55,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:04:55,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-06 08:04:55,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2024-05-06 08:04:55,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:55,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:04:55,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.7272727272727275) internal successors, (148), 22 states have internal predecessors, (148), 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) [2024-05-06 08:04:55,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:04:55,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:04:55,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:04:55,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-06 08:04:55,979 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,SelfDestructingSolverStorable5 [2024-05-06 08:04:55,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:04:55,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:04:55,980 INFO L85 PathProgramCache]: Analyzing trace with hash 2097839076, now seen corresponding path program 2 times [2024-05-06 08:04:55,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:04:55,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205095751] [2024-05-06 08:04:55,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:55,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:56,193 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-06 08:04:56,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:04:56,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205095751] [2024-05-06 08:04:56,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205095751] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:04:56,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929313575] [2024-05-06 08:04:56,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 08:04:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:04:56,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:04:56,195 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) [2024-05-06 08:04:56,231 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 08:04:56,260 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 08:04:56,260 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 08:04:56,261 INFO L262 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 19 conjunts are in the unsatisfiable core [2024-05-06 08:04:56,263 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:04:56,327 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-06 08:04:56,327 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:04:56,838 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 42 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:04:56,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929313575] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:04:56,838 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:04:56,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 13] total 15 [2024-05-06 08:04:56,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078988022] [2024-05-06 08:04:56,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:04:56,839 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 08:04:56,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:04:56,840 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 08:04:56,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-06 08:04:56,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:56,840 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:04:56,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 15 states have internal predecessors, (124), 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) [2024-05-06 08:04:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:04:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:04:56,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:04:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:04:56,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 08:04:56,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-06 08:04:57,119 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:04:57,119 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:04:57,120 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:04:57,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1748303812, now seen corresponding path program 3 times [2024-05-06 08:04:57,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:04:57,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1277556564] [2024-05-06 08:04:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:04:57,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:04:57,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:04:57,536 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 29 proven. 62 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-06 08:04:57,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:04:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1277556564] [2024-05-06 08:04:57,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1277556564] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:04:57,536 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [135207360] [2024-05-06 08:04:57,536 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 08:04:57,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:04:57,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:04:57,538 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) [2024-05-06 08:04:57,560 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 08:04:57,618 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-06 08:04:57,619 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 08:04:57,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-06 08:04:57,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:04:58,104 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 18 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:04:58,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:04:58,508 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 49 proven. 38 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-06 08:04:58,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [135207360] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:04:58,509 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:04:58,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 16] total 55 [2024-05-06 08:04:58,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118102034] [2024-05-06 08:04:58,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:04:58,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2024-05-06 08:04:58,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:04:58,511 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2024-05-06 08:04:58,512 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=395, Invalid=2575, Unknown=0, NotChecked=0, Total=2970 [2024-05-06 08:04:58,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:58,512 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:04:58,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.236363636363636) internal successors, (233), 55 states have internal predecessors, (233), 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) [2024-05-06 08:04:58,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:04:58,512 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:04:58,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 08:04:58,513 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:04:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:04:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:04:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-06 08:04:59,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 08:04:59,994 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 08:05:00,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:05:00,192 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:05:00,192 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:05:00,192 INFO L85 PathProgramCache]: Analyzing trace with hash 1249700590, now seen corresponding path program 4 times [2024-05-06 08:05:00,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:05:00,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362870401] [2024-05-06 08:05:00,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:05:00,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:05:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:05:00,654 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 133 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-05-06 08:05:00,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:05:00,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362870401] [2024-05-06 08:05:00,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362870401] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:05:00,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685050323] [2024-05-06 08:05:00,655 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 08:05:00,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:05:00,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:05:00,656 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 08:05:00,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 08:05:00,715 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 08:05:00,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 08:05:00,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 35 conjunts are in the unsatisfiable core [2024-05-06 08:05:00,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:05:01,347 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 59 proven. 155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:05:01,347 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:05:03,008 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 106 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:05:03,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685050323] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:05:03,008 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:05:03,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 31, 30] total 77 [2024-05-06 08:05:03,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [556556610] [2024-05-06 08:05:03,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:05:03,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-05-06 08:05:03,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:05:03,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-05-06 08:05:03,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=5008, Unknown=0, NotChecked=0, Total=5852 [2024-05-06 08:05:03,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:05:03,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:05:03,012 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.207792207792208) internal successors, (247), 77 states have internal predecessors, (247), 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) [2024-05-06 08:05:03,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:05:03,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:05:03,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-06 08:05:03,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 08:05:03,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:05:05,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:05:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:05:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 08:05:05,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-05-06 08:05:05,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 08:05:05,411 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,SelfDestructingSolverStorable8 [2024-05-06 08:05:05,411 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:05:05,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:05:05,411 INFO L85 PathProgramCache]: Analyzing trace with hash 1446356590, now seen corresponding path program 5 times [2024-05-06 08:05:05,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:05:05,412 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156842927] [2024-05-06 08:05:05,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:05:05,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:05:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:05:05,887 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 84 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-05-06 08:05:05,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:05:05,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156842927] [2024-05-06 08:05:05,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156842927] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:05:05,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1306614869] [2024-05-06 08:05:05,890 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 08:05:05,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:05:05,890 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:05:05,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 08:05:05,916 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 08:05:05,966 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-06 08:05:05,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 08:05:05,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-06 08:05:05,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:05:06,062 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 7 proven. 43 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 08:05:06,063 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:05:06,246 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 13 proven. 37 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 08:05:06,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1306614869] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:05:06,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:05:06,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 6, 6] total 20 [2024-05-06 08:05:06,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68568624] [2024-05-06 08:05:06,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:05:06,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-06 08:05:06,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:05:06,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-06 08:05:06,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=296, Unknown=0, NotChecked=0, Total=380 [2024-05-06 08:05:06,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:05:06,248 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:05:06,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 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) [2024-05-06 08:05:06,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:05:06,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:05:06,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:05:06,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 08:05:06,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-05-06 08:05:06,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:05:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:05:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:05:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:05:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-05-06 08:05:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2024-05-06 08:05:07,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-06 08:05:07,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-06 08:05:07,301 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,SelfDestructingSolverStorable9 [2024-05-06 08:05:07,301 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 08:05:07,302 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 08:05:07,302 INFO L85 PathProgramCache]: Analyzing trace with hash 792968464, now seen corresponding path program 6 times [2024-05-06 08:05:07,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 08:05:07,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197375618] [2024-05-06 08:05:07,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 08:05:07,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 08:05:07,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 08:05:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 391 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-06 08:05:08,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 08:05:08,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197375618] [2024-05-06 08:05:08,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197375618] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 08:05:08,355 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948175264] [2024-05-06 08:05:08,355 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 08:05:08,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 08:05:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 08:05:08,356 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 08:05:08,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 08:05:08,445 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-06 08:05:08,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 08:05:08,447 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 57 conjunts are in the unsatisfiable core [2024-05-06 08:05:08,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 08:05:09,785 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 18 proven. 518 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 08:05:09,785 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 08:05:14,889 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 178 proven. 360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 08:05:14,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948175264] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 08:05:14,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 08:05:14,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 47, 49] total 117 [2024-05-06 08:05:14,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107701135] [2024-05-06 08:05:14,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 08:05:14,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 117 states [2024-05-06 08:05:14,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 08:05:14,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2024-05-06 08:05:14,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1539, Invalid=12033, Unknown=0, NotChecked=0, Total=13572 [2024-05-06 08:05:14,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:05:14,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 08:05:14,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 117 states, 117 states have (on average 2.7777777777777777) internal successors, (325), 117 states have internal predecessors, (325), 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) [2024-05-06 08:05:14,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:05:14,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-06 08:05:14,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:05:14,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-05-06 08:05:14,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 106 states. [2024-05-06 08:05:14,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-06 08:05:14,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 08:05:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 08:05:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-05-06 08:05:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-06 08:05:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2024-05-06 08:05:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-05-06 08:05:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-05-06 08:05:34,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 233 states. [2024-05-06 08:05:34,308 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 08:05:34,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 08:05:34,309 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 08:05:34,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 08:05:34,514 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,SelfDestructingSolverStorable10 [2024-05-06 08:05:34,518 INFO L448 BasicCegarLoop]: Path program histogram: [6, 1, 1, 1] [2024-05-06 08:05:34,520 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 08:05:34,521 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 08:05:34,523 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 08:05:34 BasicIcfg [2024-05-06 08:05:34,523 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 08:05:34,523 INFO L158 Benchmark]: Toolchain (without parser) took 41724.63ms. Allocated memory was 257.9MB in the beginning and 981.5MB in the end (delta: 723.5MB). Free memory was 189.9MB in the beginning and 382.2MB in the end (delta: -192.3MB). Peak memory consumption was 531.6MB. Max. memory is 8.0GB. [2024-05-06 08:05:34,524 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 166.7MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 08:05:34,524 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.20ms. Allocated memory is still 257.9MB. Free memory was 189.7MB in the beginning and 178.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 08:05:34,524 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.93ms. Allocated memory is still 257.9MB. Free memory was 178.6MB in the beginning and 177.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 08:05:34,524 INFO L158 Benchmark]: Boogie Preprocessor took 29.73ms. Allocated memory is still 257.9MB. Free memory was 177.0MB in the beginning and 229.5MB in the end (delta: -52.5MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. [2024-05-06 08:05:34,524 INFO L158 Benchmark]: RCFGBuilder took 288.34ms. Allocated memory is still 257.9MB. Free memory was 229.5MB in the beginning and 214.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2024-05-06 08:05:34,525 INFO L158 Benchmark]: TraceAbstraction took 41154.26ms. Allocated memory was 257.9MB in the beginning and 981.5MB in the end (delta: 723.5MB). Free memory was 213.3MB in the beginning and 382.2MB in the end (delta: -168.9MB). Peak memory consumption was 554.6MB. Max. memory is 8.0GB. [2024-05-06 08:05:34,526 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 166.7MB. Free memory is still 135.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 218.20ms. Allocated memory is still 257.9MB. Free memory was 189.7MB in the beginning and 178.6MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.93ms. Allocated memory is still 257.9MB. Free memory was 178.6MB in the beginning and 177.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.73ms. Allocated memory is still 257.9MB. Free memory was 177.0MB in the beginning and 229.5MB in the end (delta: -52.5MB). Peak memory consumption was 5.4MB. Max. memory is 8.0GB. * RCFGBuilder took 288.34ms. Allocated memory is still 257.9MB. Free memory was 229.5MB in the beginning and 214.3MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 41154.26ms. Allocated memory was 257.9MB in the beginning and 981.5MB in the end (delta: 723.5MB). Free memory was 213.3MB in the beginning and 382.2MB in the end (delta: -168.9MB). Peak memory consumption was 554.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 69664, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 3701, dependent conditional: 3698, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 67061, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67061, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 67061, independent: 65963, independent conditional: 65750, independent unconditional: 213, dependent: 1098, dependent conditional: 1095, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 28172, independent unconditional: 37791, dependent: 4321, dependent conditional: 3218, dependent unconditional: 1103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 435, independent: 379, independent conditional: 54, independent unconditional: 325, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 435, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, independent: 45, independent conditional: 45, independent unconditional: 0, dependent: 163, dependent conditional: 124, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70284, independent: 65584, independent conditional: 23536, independent unconditional: 42048, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 435, unknown conditional: 108, unknown unconditional: 327] , Statistics on independence cache: Total cache size (in pairs): 435, Positive cache size: 379, Positive conditional cache size: 54, Positive unconditional cache size: 325, Negative cache size: 56, Negative conditional cache size: 54, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4588, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 28172, independent unconditional: 37791, dependent: 4321, dependent conditional: 3218, dependent unconditional: 1103, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 70284, independent: 65963, independent conditional: 23590, independent unconditional: 42373, dependent: 4321, dependent conditional: 3212, dependent unconditional: 1109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 435, independent: 379, independent conditional: 54, independent unconditional: 325, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 435, independent: 354, independent conditional: 0, independent unconditional: 354, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 81, independent: 25, independent conditional: 25, independent unconditional: 0, dependent: 56, dependent conditional: 54, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 207, independent: 45, independent conditional: 45, independent unconditional: 0, dependent: 163, dependent conditional: 124, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 70284, independent: 65584, independent conditional: 23536, independent unconditional: 42048, dependent: 4265, dependent conditional: 3158, dependent unconditional: 1107, unknown: 435, unknown conditional: 108, unknown unconditional: 327] , Statistics on independence cache: Total cache size (in pairs): 435, Positive cache size: 379, Positive conditional cache size: 54, Positive unconditional cache size: 325, Negative cache size: 56, Negative conditional cache size: 54, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4588 ], Independence queries for same thread: 2603 - PositiveResult [Line: 77]: 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 5 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 41.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 25.4s, 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: 617, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 1273 NumberOfCodeBlocks, 1268 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 1860 ConstructedInterpolants, 0 QuantifiedInterpolants, 15513 SizeOfPredicates, 100 NumberOfNonLiveVariables, 1170 ConjunctsInSsa, 163 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 1144/3205 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: 1.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 1 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 08:05:34,537 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-06 08:05:34,746 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...