/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis SUFFICIENT_WITH_CONTEXT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 10:18:58,110 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 10:18:58,168 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 10:18:58,179 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 10:18:58,180 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 10:18:58,201 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 10:18:58,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 10:18:58,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 10:18:58,202 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 10:18:58,202 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 10:18:58,202 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 10:18:58,202 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 10:18:58,202 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 10:18:58,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 10:18:58,203 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 10:18:58,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 10:18:58,204 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 10:18:58,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 10:18:58,204 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 10:18:58,204 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 10:18:58,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 10:18:58,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 10:18:58,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 10:18:58,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 10:18:58,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 10:18:58,206 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 10:18:58,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 10:18:58,206 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 10:18:58,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 10:18:58,207 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 10:18:58,207 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 10:18:58,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: Commutativity condition synthesis -> SUFFICIENT_WITH_CONTEXT [2024-11-14 10:18:58,487 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 10:18:58,499 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 10:18:58,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 10:18:58,502 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 10:18:58,502 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 10:18:58,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-11-14 10:18:59,922 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 10:19:00,167 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 10:19:00,168 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-11-14 10:19:00,179 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6ddf7038a/30cdfd2a8b384697be5a089b090df4c6/FLAG9c626380c [2024-11-14 10:19:00,197 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/6ddf7038a/30cdfd2a8b384697be5a089b090df4c6 [2024-11-14 10:19:00,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 10:19:00,200 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 10:19:00,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 10:19:00,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 10:19:00,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 10:19:00,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,211 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48f05e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00, skipping insertion in model container [2024-11-14 10:19:00,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,229 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 10:19:00,391 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-11-14 10:19:00,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 10:19:00,404 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 10:19:00,424 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-bad-threaded-sum-2.wvr.c[2502,2515] [2024-11-14 10:19:00,424 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 10:19:00,439 INFO L204 MainTranslator]: Completed translation [2024-11-14 10:19:00,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00 WrapperNode [2024-11-14 10:19:00,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 10:19:00,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 10:19:00,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 10:19:00,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 10:19:00,446 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,453 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,468 INFO L138 Inliner]: procedures = 20, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2024-11-14 10:19:00,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 10:19:00,470 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 10:19:00,470 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 10:19:00,470 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 10:19:00,477 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,477 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,482 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,482 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,485 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,489 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 10:19:00,495 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 10:19:00,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 10:19:00,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 10:19:00,499 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (1/1) ... [2024-11-14 10:19:00,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 10:19:00,519 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:19:00,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 10:19:00,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 10:19:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 10:19:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 10:19:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 10:19:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 10:19:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 10:19:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 10:19:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 10:19:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 10:19:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 10:19:00,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 10:19:00,551 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 10:19:00,618 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 10:19:00,619 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 10:19:00,855 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 10:19:00,855 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 10:19:00,908 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 10:19:00,908 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 10:19:00,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:19:00 BoogieIcfgContainer [2024-11-14 10:19:00,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 10:19:00,912 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 10:19:00,912 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 10:19:00,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 10:19:00,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:19:00" (1/3) ... [2024-11-14 10:19:00,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e5b1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:19:00, skipping insertion in model container [2024-11-14 10:19:00,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:19:00" (2/3) ... [2024-11-14 10:19:00,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43e5b1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:19:00, skipping insertion in model container [2024-11-14 10:19:00,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:19:00" (3/3) ... [2024-11-14 10:19:00,919 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-11-14 10:19:00,932 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 10:19:00,934 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-bad-threaded-sum-2.wvr.c that has 3 procedures, 75 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 10:19:00,935 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 10:19:01,013 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-14 10:19:01,062 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 10:19:01,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 10:19:01,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:19:01,067 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 10:19:01,069 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 10:19:01,137 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 10:19:01,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 10:19:01,157 INFO L333 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, 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;@2e848f20, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 10:19:01,158 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 10:19:01,703 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:19:01,707 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:19:01,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1892045286, now seen corresponding path program 1 times [2024-11-14 10:19:01,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:19:01,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669363021] [2024-11-14 10:19:01,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:19:01,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:19:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:19:01,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:19:01,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:19:01,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669363021] [2024-11-14 10:19:01,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669363021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:19:01,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:19:01,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 10:19:01,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954731179] [2024-11-14 10:19:01,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:19:01,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 10:19:01,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:19:01,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 10:19:01,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 10:19:01,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:01,895 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:19:01,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 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) [2024-11-14 10:19:01,900 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:01,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:01,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 10:19:01,931 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:19:01,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:19:01,934 INFO L85 PathProgramCache]: Analyzing trace with hash -1703718066, now seen corresponding path program 1 times [2024-11-14 10:19:01,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:19:01,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268938893] [2024-11-14 10:19:01,934 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:19:01,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:19:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:19:02,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:19:02,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:19:02,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268938893] [2024-11-14 10:19:02,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268938893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:19:02,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:19:02,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-14 10:19:02,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449459592] [2024-11-14 10:19:02,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:19:02,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-14 10:19:02,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:19:02,616 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-14 10:19:02,616 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-14 10:19:02,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:02,617 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:19:02,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 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) [2024-11-14 10:19:02,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:02,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:02,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:02,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:19:02,771 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 10:19:02,771 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:19:02,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:19:02,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1768537275, now seen corresponding path program 1 times [2024-11-14 10:19:02,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:19:02,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1207276530] [2024-11-14 10:19:02,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:19:02,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:19:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:19:04,848 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:19:04,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:19:04,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1207276530] [2024-11-14 10:19:04,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1207276530] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:19:04,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [944399383] [2024-11-14 10:19:04,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:19:04,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:19:04,849 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:19:04,851 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 10:19:04,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 10:19:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:19:04,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-14 10:19:04,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:19:06,261 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:19:06,262 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:19:08,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:19:08,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [944399383] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 10:19:08,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 10:19:08,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 39 [2024-11-14 10:19:08,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227833764] [2024-11-14 10:19:08,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 10:19:08,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-11-14 10:19:08,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:19:08,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-11-14 10:19:08,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1241, Unknown=0, NotChecked=0, Total=1482 [2024-11-14 10:19:08,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:08,259 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:19:08,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.153846153846154) internal successors, (162), 39 states have internal predecessors, (162), 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) [2024-11-14 10:19:08,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:08,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:19:08,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:12,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:12,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:19:12,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-14 10:19:12,434 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 10:19:12,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:19:12,621 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:19:12,621 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:19:12,621 INFO L85 PathProgramCache]: Analyzing trace with hash -2142391320, now seen corresponding path program 2 times [2024-11-14 10:19:12,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:19:12,622 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048337690] [2024-11-14 10:19:12,622 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:19:12,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:19:12,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:19:13,001 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 10:19:13,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:19:13,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048337690] [2024-11-14 10:19:13,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048337690] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:19:13,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979374649] [2024-11-14 10:19:13,002 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 10:19:13,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:19:13,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:19:13,004 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 10:19:13,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 10:19:13,093 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 10:19:13,093 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 10:19:13,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-14 10:19:13,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:19:13,289 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-14 10:19:13,289 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:19:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-14 10:19:13,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979374649] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 10:19:13,371 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 10:19:13,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 5] total 15 [2024-11-14 10:19:13,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170535120] [2024-11-14 10:19:13,371 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 10:19:13,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-14 10:19:13,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:19:13,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-14 10:19:13,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-14 10:19:13,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:13,372 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:19:13,372 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.0) internal successors, (120), 15 states have internal predecessors, (120), 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) [2024-11-14 10:19:13,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:13,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:19:13,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-14 10:19:13,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:13,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:19:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-11-14 10:19:13,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:19:13,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 10:19:14,063 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:19:14,064 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:19:14,064 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:19:14,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1983969431, now seen corresponding path program 3 times [2024-11-14 10:19:14,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:19:14,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878086825] [2024-11-14 10:19:14,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:19:14,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:19:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:19:14,447 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-14 10:19:14,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:19:14,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878086825] [2024-11-14 10:19:14,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878086825] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:19:14,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:19:14,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-14 10:19:14,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364921678] [2024-11-14 10:19:14,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:19:14,448 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 10:19:14,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:19:14,449 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 10:19:14,449 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-14 10:19:14,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:14,449 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:19:14,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 10:19:14,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:14,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:19:14,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-11-14 10:19:14,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:19:14,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:19:14,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:19:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-14 10:19:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:19:14,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 10:19:14,756 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 10:19:14,756 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:19:14,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:19:14,757 INFO L85 PathProgramCache]: Analyzing trace with hash 403885427, now seen corresponding path program 4 times [2024-11-14 10:19:14,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:19:14,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24193333] [2024-11-14 10:19:14,757 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:19:14,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:19:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:19:17,967 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:19:17,968 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:19:17,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [24193333] [2024-11-14 10:19:17,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [24193333] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:19:17,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668141390] [2024-11-14 10:19:17,968 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 10:19:17,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:19:17,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:19:17,971 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 10:19:17,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 10:19:18,558 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 10:19:18,558 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 10:19:18,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 53 conjuncts are in the unsatisfiable core [2024-11-14 10:19:18,563 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:19:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:19:20,637 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:20:03,489 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 59 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:20:03,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668141390] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 10:20:03,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 10:20:03,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 33, 32] total 80 [2024-11-14 10:20:03,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880046290] [2024-11-14 10:20:03,490 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 10:20:03,491 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2024-11-14 10:20:03,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:20:03,492 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2024-11-14 10:20:03,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=5446, Unknown=9, NotChecked=0, Total=6320 [2024-11-14 10:20:03,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:20:03,495 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:20:03,496 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.025) internal successors, (242), 80 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 10:20:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:20:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:20:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-14 10:20:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:20:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 10:20:03,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:21:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:21:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:21:22,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-14 10:21:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:21:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 10:21:22,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2024-11-14 10:21:22,127 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 10:21:22,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:21:22,316 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:21:22,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:21:22,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1560043680, now seen corresponding path program 5 times [2024-11-14 10:21:22,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:21:22,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979716184] [2024-11-14 10:21:22,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:21:22,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:21:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:21:50,132 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 52 proven. 72 refuted. 103 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-14 10:21:50,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:21:50,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979716184] [2024-11-14 10:21:50,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979716184] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:21:50,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838355345] [2024-11-14 10:21:50,133 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-14 10:21:50,133 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:21:50,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:21:50,135 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 10:21:50,136 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 10:21:50,405 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 12 check-sat command(s) [2024-11-14 10:21:50,405 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 10:21:50,407 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 10:21:50,411 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:21:50,488 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 67 proven. 27 refuted. 0 times theorem prover too weak. 401 trivial. 0 not checked. [2024-11-14 10:21:50,488 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:21:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2024-11-14 10:21:50,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838355345] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-14 10:21:50,535 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-11-14 10:21:50,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 6] total 11 [2024-11-14 10:21:50,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909214104] [2024-11-14 10:21:50,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:21:50,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-14 10:21:50,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:21:50,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-14 10:21:50,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=85, Unknown=1, NotChecked=0, Total=110 [2024-11-14 10:21:50,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:21:50,536 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:21:50,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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) [2024-11-14 10:21:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:21:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:21:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-14 10:21:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:21:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 10:21:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2024-11-14 10:21:50,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:21:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:21:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:21:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-11-14 10:21:59,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:21:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-14 10:21:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2024-11-14 10:21:59,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:21:59,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 10:22:00,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:22:00,019 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 10:22:00,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:22:00,020 INFO L85 PathProgramCache]: Analyzing trace with hash 1732447776, now seen corresponding path program 6 times [2024-11-14 10:22:00,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:22:00,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358111753] [2024-11-14 10:22:00,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:22:00,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:22:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:22:09,912 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:22:09,912 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:22:09,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358111753] [2024-11-14 10:22:09,912 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358111753] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 10:22:09,912 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700258869] [2024-11-14 10:22:09,912 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-14 10:22:09,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 10:22:09,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:22:09,914 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 10:22:09,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 10:22:10,188 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-11-14 10:22:10,189 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 10:22:10,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 93 conjuncts are in the unsatisfiable core [2024-11-14 10:22:10,194 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 10:22:41,018 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:22:41,018 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 10:25:27,296 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 10:25:27,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [700258869] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 10:25:27,296 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 10:25:27,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 56, 55] total 149 [2024-11-14 10:25:27,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139343409] [2024-11-14 10:25:27,296 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 10:25:27,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 149 states [2024-11-14 10:25:27,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:25:27,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2024-11-14 10:25:27,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2548, Invalid=19474, Unknown=30, NotChecked=0, Total=22052 [2024-11-14 10:25:27,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:25:27,304 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:25:27,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 149 states, 149 states have (on average 2.771812080536913) internal successors, (413), 149 states have internal predecessors, (413), 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) [2024-11-14 10:25:27,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:25:27,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-14 10:25:27,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-11-14 10:25:27,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 10:25:27,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-11-14 10:25:27,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2024-11-14 10:25:27,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-14 10:25:27,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:27:08,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-14 10:28:40,175 WARN L286 SmtUtils]: Spent 36.84s on a formula simplification. DAG size of input: 208 DAG size of output: 207 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 10:29:54,774 WARN L286 SmtUtils]: Spent 31.37s on a formula simplification. DAG size of input: 212 DAG size of output: 211 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 10:31:23,835 WARN L286 SmtUtils]: Spent 43.00s on a formula simplification. DAG size of input: 212 DAG size of output: 211 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-14 10:33:04,963 WARN L286 SmtUtils]: Spent 9.57s on a formula simplification that was a NOOP. DAG size: 178 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-11-14 10:33:17,268 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 10:33:17,268 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 10:33:17,269 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-14 10:33:18,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 10:33:18,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-14 10:33:18,469 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-14 10:33:18,480 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-11-14 10:33:18,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-14 10:33:18,480 WARN L596 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-11-14 10:33:18,482 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 10:33:18,482 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 10:33:18,482 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 10:33:18,486 INFO L422 BasicCegarLoop]: Path program histogram: [6, 1, 1] [2024-11-14 10:33:18,489 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 10:33:18,489 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 10:33:18,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 10:33:18 BasicIcfg [2024-11-14 10:33:18,492 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 10:33:18,493 INFO L158 Benchmark]: Toolchain (without parser) took 858292.73ms. Allocated memory was 100.7MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 71.6MB in the beginning and 915.0MB in the end (delta: -843.4MB). Peak memory consumption was 123.4MB. Max. memory is 8.0GB. [2024-11-14 10:33:18,493 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 10:33:18,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 237.10ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 59.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 10:33:18,493 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.47ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 10:33:18,493 INFO L158 Benchmark]: Boogie Preprocessor took 20.76ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 57.8MB in the end (delta: 781.6kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 10:33:18,495 INFO L158 Benchmark]: RCFGBuilder took 413.14ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 43.5MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 10:33:18,496 INFO L158 Benchmark]: TraceAbstraction took 857579.74ms. Allocated memory was 100.7MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 43.0MB in the beginning and 915.0MB in the end (delta: -872.0MB). Peak memory consumption was 94.0MB. Max. memory is 8.0GB. [2024-11-14 10:33:18,498 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 237.10ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 59.9MB in the end (delta: 11.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.47ms. Allocated memory is still 100.7MB. Free memory was 59.9MB in the beginning and 58.8MB in the end (delta: 1.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.76ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 57.8MB in the end (delta: 781.6kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 413.14ms. Allocated memory is still 100.7MB. Free memory was 57.8MB in the beginning and 43.5MB in the end (delta: 14.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 857579.74ms. Allocated memory was 100.7MB in the beginning and 1.1GB in the end (delta: 964.7MB). Free memory was 43.0MB in the beginning and 915.0MB in the end (delta: -872.0MB). Peak memory consumption was 94.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2402, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 491, dependent conditional: 482, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1969, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 58, dependent conditional: 49, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1969, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 58, dependent conditional: 49, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2094, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 183, dependent conditional: 174, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2094, independent: 1911, independent conditional: 14, independent unconditional: 1897, dependent: 183, dependent conditional: 78, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2094, independent: 1911, independent conditional: 14, independent unconditional: 1897, dependent: 183, dependent conditional: 78, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 480, independent: 445, independent conditional: 2, independent unconditional: 443, dependent: 35, dependent conditional: 26, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 480, independent: 442, independent conditional: 0, independent unconditional: 442, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 35, dependent conditional: 26, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 35, dependent conditional: 26, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 898, independent: 86, independent conditional: 30, independent unconditional: 56, dependent: 811, dependent conditional: 418, dependent unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2094, independent: 1466, independent conditional: 12, independent unconditional: 1454, dependent: 148, dependent conditional: 52, dependent unconditional: 96, unknown: 480, unknown conditional: 28, unknown unconditional: 452] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 445, Positive conditional cache size: 2, Positive unconditional cache size: 443, Negative cache size: 35, Negative conditional cache size: 26, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1522, Maximal queried relation: 5, Independence queries for same thread: 433, Persistent sets #1 benchmarks: Persistent set computation time: 0.5s, Number of persistent set computation: 103, Number of trivial persistent sets: 88, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 480, independent: 471, independent conditional: 0, independent unconditional: 471, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2402, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 491, dependent conditional: 482, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1969, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 58, dependent conditional: 49, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1969, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 58, dependent conditional: 49, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2094, independent: 1911, independent conditional: 1440, independent unconditional: 471, dependent: 183, dependent conditional: 174, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2094, independent: 1911, independent conditional: 14, independent unconditional: 1897, dependent: 183, dependent conditional: 78, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2094, independent: 1911, independent conditional: 14, independent unconditional: 1897, dependent: 183, dependent conditional: 78, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 480, independent: 445, independent conditional: 2, independent unconditional: 443, dependent: 35, dependent conditional: 26, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 480, independent: 442, independent conditional: 0, independent unconditional: 442, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 35, dependent conditional: 26, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 3, independent conditional: 2, independent unconditional: 1, dependent: 35, dependent conditional: 26, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 898, independent: 86, independent conditional: 30, independent unconditional: 56, dependent: 811, dependent conditional: 418, dependent unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 2094, independent: 1466, independent conditional: 12, independent unconditional: 1454, dependent: 148, dependent conditional: 52, dependent unconditional: 96, unknown: 480, unknown conditional: 28, unknown unconditional: 452] , Statistics on independence cache: Total cache size (in pairs): 480, Positive cache size: 445, Positive conditional cache size: 2, Positive unconditional cache size: 443, Negative cache size: 35, Negative conditional cache size: 26, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1522, Maximal queried relation: 5, Independence queries for same thread: 433 - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 94 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 857.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 564.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 371, 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, 2.1s SatisfiabilityAnalysisTime, 289.2s InterpolantComputationTime, 1373 NumberOfCodeBlocks, 1373 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1926 ConstructedInterpolants, 0 QuantifiedInterpolants, 26368 SizeOfPredicates, 65 NumberOfNonLiveVariables, 1078 ConjunctsInSsa, 197 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 1488/3065 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, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown