/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 NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:24:14,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:24:14,431 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:24:14,438 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:24:14,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:24:14,466 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:24:14,467 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:24:14,467 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:24:14,467 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:24:14,468 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:24:14,468 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:24:14,468 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:24:14,468 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:24:14,469 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:24:14,469 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:24:14,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:24:14,470 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:24:14,470 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:24:14,471 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:24:14,471 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:24:14,471 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:24:14,471 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 -> NECESSARY_AND_SUFFICIENT [2024-11-16 00:24:14,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:24:14,776 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:24:14,778 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:24:14,779 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 00:24:14,779 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 00:24:14,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2024-11-16 00:24:16,152 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 00:24:16,374 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 00:24:16,375 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/unroll-cond-2.wvr.c [2024-11-16 00:24:16,383 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/22b462101/191607e7ae704ddfaa8680735365207c/FLAGc977423ad [2024-11-16 00:24:16,403 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/22b462101/191607e7ae704ddfaa8680735365207c [2024-11-16 00:24:16,405 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:24:16,409 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-16 00:24:16,410 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 00:24:16,410 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 00:24:16,415 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 00:24:16,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a04cde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16, skipping insertion in model container [2024-11-16 00:24:16,417 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,433 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 00:24:16,593 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/unroll-cond-2.wvr.c[2500,2513] [2024-11-16 00:24:16,605 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:24:16,614 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 00:24:16,634 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/unroll-cond-2.wvr.c[2500,2513] [2024-11-16 00:24:16,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:24:16,655 INFO L204 MainTranslator]: Completed translation [2024-11-16 00:24:16,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16 WrapperNode [2024-11-16 00:24:16,656 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 00:24:16,657 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:24:16,657 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:24:16,657 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:24:16,662 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,669 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,691 INFO L138 Inliner]: procedures = 23, calls = 23, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 131 [2024-11-16 00:24:16,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:24:16,692 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:24:16,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:24:16,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:24:16,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,703 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,716 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,720 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,722 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:24:16,722 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:24:16,723 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:24:16,723 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:24:16,723 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (1/1) ... [2024-11-16 00:24:16,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:24:16,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:24:16,752 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) [2024-11-16 00:24:16,754 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 [2024-11-16 00:24:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 00:24:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 00:24:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 00:24:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 00:24:16,774 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 00:24:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 00:24:16,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-16 00:24:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-16 00:24:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:24:16,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:24:16,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-16 00:24:16,776 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-16 00:24:16,863 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:24:16,866 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:24:17,080 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:24:17,080 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:24:17,097 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:24:17,097 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-16 00:24:17,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:17 BoogieIcfgContainer [2024-11-16 00:24:17,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:24:17,101 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:24:17,101 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:24:17,106 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:24:17,106 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:24:16" (1/3) ... [2024-11-16 00:24:17,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae654db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:24:17, skipping insertion in model container [2024-11-16 00:24:17,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:24:16" (2/3) ... [2024-11-16 00:24:17,107 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ae654db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:24:17, skipping insertion in model container [2024-11-16 00:24:17,107 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:24:17" (3/3) ... [2024-11-16 00:24:17,108 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-2.wvr.c [2024-11-16 00:24:17,122 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:24:17,124 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG unroll-cond-2.wvr.c that has 3 procedures, 159 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-16 00:24:17,124 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:24:17,219 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 00:24:17,273 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:24:17,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:24:17,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:24:17,276 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) [2024-11-16 00:24:17,278 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 [2024-11-16 00:24:17,362 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:24:17,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:24:17,388 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;@b249879, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:24:17,388 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:24:17,711 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:24:17,712 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:24:17,712 INFO L132 ounterexampleChecker]: Examining path program with hash 18781555, occurence #1 [2024-11-16 00:24:17,712 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:24:17,712 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:24:17,718 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:24:17,720 INFO L85 PathProgramCache]: Analyzing trace with hash -405477345, now seen corresponding path program 1 times [2024-11-16 00:24:17,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:24:17,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212273498] [2024-11-16 00:24:17,728 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:24:17,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:24:17,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:24:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:24:17,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:24:17,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212273498] [2024-11-16 00:24:17,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212273498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:24:17,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:24:17,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 00:24:17,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52726556] [2024-11-16 00:24:17,902 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:24:17,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 00:24:17,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:24:17,935 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 00:24:17,935 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 00:24:17,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:17,937 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:24:17,939 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 59.5) internal successors, (119), 2 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-16 00:24:17,939 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:17,988 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:24:17,988 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:24:17,988 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:24:17,989 INFO L132 ounterexampleChecker]: Examining path program with hash 1004998503, occurence #1 [2024-11-16 00:24:17,989 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:24:17,989 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:24:17,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:24:17,989 INFO L85 PathProgramCache]: Analyzing trace with hash -1924182041, now seen corresponding path program 1 times [2024-11-16 00:24:17,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:24:17,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1079747181] [2024-11-16 00:24:17,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:24:17,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:24:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:24:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:24:18,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:24:18,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1079747181] [2024-11-16 00:24:18,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1079747181] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:24:18,587 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:24:18,587 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-16 00:24:18,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515503346] [2024-11-16 00:24:18,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:24:18,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-16 00:24:18,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:24:18,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-16 00:24:18,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-16 00:24:18,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:18,593 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:24:18,593 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 14.125) internal successors, (113), 8 states have internal predecessors, (113), 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) [2024-11-16 00:24:18,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:18,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:18,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:18,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:24:18,772 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 00:24:18,772 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:24:18,772 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:24:18,774 INFO L132 ounterexampleChecker]: Examining path program with hash -906363804, occurence #1 [2024-11-16 00:24:18,774 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:24:18,774 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:24:18,775 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:24:18,775 INFO L85 PathProgramCache]: Analyzing trace with hash 876188919, now seen corresponding path program 1 times [2024-11-16 00:24:18,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:24:18,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482468508] [2024-11-16 00:24:18,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:24:18,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:24:18,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:24:19,585 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:24:19,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:24:19,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482468508] [2024-11-16 00:24:19,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482468508] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:24:19,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:24:19,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-16 00:24:19,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260084756] [2024-11-16 00:24:19,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:24:19,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-16 00:24:19,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:24:19,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-16 00:24:19,590 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2024-11-16 00:24:19,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:19,590 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:24:19,590 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.066666666666666) internal successors, (121), 15 states have internal predecessors, (121), 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) [2024-11-16 00:24:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:24:19,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:19,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:24:19,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:24:19,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-16 00:24:19,971 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:24:19,972 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:24:19,972 INFO L132 ounterexampleChecker]: Examining path program with hash -1627902569, occurence #1 [2024-11-16 00:24:19,972 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:24:19,972 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:24:19,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:24:19,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1764176050, now seen corresponding path program 1 times [2024-11-16 00:24:19,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:24:19,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526016474] [2024-11-16 00:24:19,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:24:19,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:24:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:24:21,338 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:24:21,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:24:21,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526016474] [2024-11-16 00:24:21,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526016474] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:24:21,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1373548925] [2024-11-16 00:24:21,338 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:24:21,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:24:21,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:24:21,341 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) [2024-11-16 00:24:21,343 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 [2024-11-16 00:24:21,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:24:21,470 INFO L256 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-16 00:24:21,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:24:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:24:21,980 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:24:22,690 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:24:22,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1373548925] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:24:22,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:24:22,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 13] total 32 [2024-11-16 00:24:22,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884370909] [2024-11-16 00:24:22,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:24:22,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-16 00:24:22,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:24:22,695 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-16 00:24:22,695 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=891, Unknown=0, NotChecked=0, Total=992 [2024-11-16 00:24:22,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:22,695 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:24:22,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.6875) internal successors, (278), 32 states have internal predecessors, (278), 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) [2024-11-16 00:24:22,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:22,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:24:22,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:24:22,696 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:26,197 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:24:28,202 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:24:32,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:24:36,462 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:24:38,539 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 [] [2024-11-16 00:24:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:24:40,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:24:40,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-16 00:24:40,347 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-16 00:24:40,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:24:40,530 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:24:40,530 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:24:40,531 INFO L132 ounterexampleChecker]: Examining path program with hash -1627902569, occurence #2 [2024-11-16 00:24:40,531 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:24:40,531 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-16 00:24:40,532 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,532 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-16 00:24:40,532 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,532 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-16 00:24:40,532 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,532 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-16 00:24:40,532 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,532 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-16 00:24:40,532 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-16 00:24:40,533 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-16 00:24:40,533 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-16 00:24:40,533 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-16 00:24:40,533 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-16 00:24:40,533 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-16 00:24:40,533 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-16 00:24:40,533 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,533 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,534 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,534 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,534 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,534 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,534 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,534 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,534 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-16 00:24:40,534 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,535 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-16 00:24:40,535 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,535 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-16 00:24:40,535 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,535 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-16 00:24:40,535 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,535 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-16 00:24:40,535 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,535 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-16 00:24:40,535 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,535 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-16 00:24:40,535 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,535 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2024-11-16 00:24:40,535 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,536 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-16 00:24:40,536 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,536 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2024-11-16 00:24:40,536 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,536 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2024-11-16 00:24:40,536 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,536 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-16 00:24:40,549 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:24:40,549 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-16 00:24:40,549 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,549 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-16 00:24:40,549 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:24:40,549 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 220 [2024-11-16 00:24:40,550 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,550 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 226 [2024-11-16 00:24:40,550 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:24:40,550 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 229 [2024-11-16 00:24:40,550 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,550 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 231 [2024-11-16 00:24:40,550 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,550 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 232 [2024-11-16 00:24:40,550 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:40,550 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:24:40,550 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:24:40,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:24:40,551 INFO L85 PathProgramCache]: Analyzing trace with hash -593974424, now seen corresponding path program 2 times [2024-11-16 00:24:40,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:24:40,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215678695] [2024-11-16 00:24:40,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:24:40,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:24:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:24:43,602 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 156 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-16 00:24:43,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:24:43,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215678695] [2024-11-16 00:24:43,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215678695] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:24:43,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210208210] [2024-11-16 00:24:43,602 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 00:24:43,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:24:43,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:24:43,605 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) [2024-11-16 00:24:43,607 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 [2024-11-16 00:24:43,726 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 00:24:43,726 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:24:43,729 INFO L256 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-16 00:24:43,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:24:45,700 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-16 00:24:45,914 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 36 proven. 1 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-16 00:24:45,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:24:46,355 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2024-11-16 00:24:46,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 7 [2024-11-16 00:24:47,425 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 9 proven. 28 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2024-11-16 00:24:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1210208210] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:24:47,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:24:47,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25, 20] total 65 [2024-11-16 00:24:47,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240303693] [2024-11-16 00:24:47,425 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:24:47,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-11-16 00:24:47,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:24:47,427 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-11-16 00:24:47,429 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=3918, Unknown=0, NotChecked=0, Total=4160 [2024-11-16 00:24:47,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:47,429 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:24:47,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.276923076923077) internal successors, (473), 65 states have internal predecessors, (473), 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) [2024-11-16 00:24:47,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:47,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:24:47,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:24:47,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-16 00:24:47,430 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:57,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:24:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-16 00:24:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-16 00:24:57,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-16 00:24:57,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2024-11-16 00:24:57,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-16 00:24:58,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:24:58,104 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-16 00:24:58,104 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:24:58,104 INFO L132 ounterexampleChecker]: Examining path program with hash -1627902569, occurence #3 [2024-11-16 00:24:58,104 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:24:58,104 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-16 00:24:58,104 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,104 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,105 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2024-11-16 00:24:58,105 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 38 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2024-11-16 00:24:58,106 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,106 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2024-11-16 00:24:58,107 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,107 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2024-11-16 00:24:58,107 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,107 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2024-11-16 00:24:58,107 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,107 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2024-11-16 00:24:58,107 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,107 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2024-11-16 00:24:58,107 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,107 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2024-11-16 00:24:58,109 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,109 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2024-11-16 00:24:58,109 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,109 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2024-11-16 00:24:58,110 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,110 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2024-11-16 00:24:58,110 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,110 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2024-11-16 00:24:58,110 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,110 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2024-11-16 00:24:58,110 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,110 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2024-11-16 00:24:58,110 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,110 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2024-11-16 00:24:58,110 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:24:58,110 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2024-11-16 00:24:58,110 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,110 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2024-11-16 00:24:58,110 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:24:58,111 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 266 [2024-11-16 00:24:58,111 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,111 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 272 [2024-11-16 00:24:58,111 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:24:58,111 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2024-11-16 00:24:58,111 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,111 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2024-11-16 00:24:58,111 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,111 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2024-11-16 00:24:58,111 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:24:58,111 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:24:58,111 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:24:58,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:24:58,112 INFO L85 PathProgramCache]: Analyzing trace with hash -106696845, now seen corresponding path program 3 times [2024-11-16 00:24:58,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:24:58,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143198702] [2024-11-16 00:24:58,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:24:58,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:24:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:24:59,097 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-16 00:24:59,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:24:59,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143198702] [2024-11-16 00:24:59,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143198702] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:24:59,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [552659484] [2024-11-16 00:24:59,098 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-16 00:24:59,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:24:59,098 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:24:59,100 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) [2024-11-16 00:24:59,101 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 [2024-11-16 00:24:59,376 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-16 00:24:59,376 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:24:59,381 INFO L256 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 138 conjuncts are in the unsatisfiable core [2024-11-16 00:24:59,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:24:59,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 00:24:59,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-16 00:25:04,948 INFO L349 Elim1Store]: treesize reduction 13, result has 48.0 percent of original size [2024-11-16 00:25:04,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 79 treesize of output 40 [2024-11-16 00:25:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 41 proven. 225 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-16 00:25:05,248 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:25:46,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2092 treesize of output 1916 [2024-11-16 00:26:46,137 WARN L286 SmtUtils]: Spent 58.50s on a formula simplification that was a NOOP. DAG size: 1811 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-16 00:26:46,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-16 00:26:46,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 56 new quantified variables, introduced 435 case distinctions, treesize of input 540666695 treesize of output 453956855 Received shutdown request... [2024-11-16 00:38:40,069 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 [2024-11-16 00:38:40,069 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 [2024-11-16 00:38:40,070 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-16 00:38:40,136 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-16 00:38:40,156 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-16 00:38:40,337 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 [2024-11-16 00:38:40,337 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 282 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-495-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-519-4-3-5-6-11-9-9-9-8-9-6-8-6-6-6-8-5-5-4-4-4-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. [2024-11-16 00:38:40,339 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-16 00:38:40,339 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-16 00:38:40,344 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2024-11-16 00:38:40,346 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 00:38:40,346 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 00:38:40,360 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 [2024-11-16 00:38:40,361 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:38:40 BasicIcfg [2024-11-16 00:38:40,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 00:38:40,362 INFO L158 Benchmark]: Toolchain (without parser) took 863953.32ms. Allocated memory was 100.7MB in the beginning and 503.3MB in the end (delta: 402.7MB). Free memory was 73.4MB in the beginning and 354.0MB in the end (delta: -280.6MB). Peak memory consumption was 329.1MB. Max. memory is 8.0GB. [2024-11-16 00:38:40,362 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:38:40,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 246.60ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 61.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-16 00:38:40,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.45ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-16 00:38:40,363 INFO L158 Benchmark]: Boogie Preprocessor took 29.99ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 58.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:38:40,363 INFO L158 Benchmark]: RCFGBuilder took 374.89ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 42.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-16 00:38:40,363 INFO L158 Benchmark]: TraceAbstraction took 863259.81ms. Allocated memory was 100.7MB in the beginning and 503.3MB in the end (delta: 402.7MB). Free memory was 42.2MB in the beginning and 354.0MB in the end (delta: -311.8MB). Peak memory consumption was 295.5MB. Max. memory is 8.0GB. [2024-11-16 00:38:40,364 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 100.7MB. Free memory is still 54.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 246.60ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 61.3MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.45ms. Allocated memory is still 100.7MB. Free memory was 61.3MB in the beginning and 59.5MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 29.99ms. Allocated memory is still 100.7MB. Free memory was 59.5MB in the beginning and 58.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 374.89ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 42.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 863259.81ms. Allocated memory was 100.7MB in the beginning and 503.3MB in the end (delta: 402.7MB). Free memory was 42.2MB in the beginning and 354.0MB in the end (delta: -311.8MB). Peak memory consumption was 295.5MB. 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: 5627, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 959, dependent conditional: 957, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 0, independent unconditional: 4668, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 0, independent unconditional: 4668, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2768, independent: 2766, independent conditional: 0, independent unconditional: 2766, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2768, independent: 2764, independent conditional: 0, independent unconditional: 2764, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 4670, independent: 1902, independent conditional: 0, independent unconditional: 1902, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2768, unknown conditional: 0, unknown unconditional: 2768] , Statistics on independence cache: Total cache size (in pairs): 2768, Positive cache size: 2766, Positive conditional cache size: 0, Positive unconditional cache size: 2766, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1736, Maximal queried relation: 0, Independence queries for same thread: 957, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 165, Number of trivial persistent sets: 106, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2934, independent: 2932, independent conditional: 0, independent unconditional: 2932, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5627, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 959, dependent conditional: 957, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 1736, independent unconditional: 2932, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 0, independent unconditional: 4668, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4670, independent: 4668, independent conditional: 0, independent unconditional: 4668, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2768, independent: 2766, independent conditional: 0, independent unconditional: 2766, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2768, independent: 2764, independent conditional: 0, independent unconditional: 2764, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 71, independent conditional: 0, independent unconditional: 71, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 4670, independent: 1902, independent conditional: 0, independent unconditional: 1902, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2768, unknown conditional: 0, unknown unconditional: 2768] , Statistics on independence cache: Total cache size (in pairs): 2768, Positive cache size: 2766, Positive conditional cache size: 0, Positive unconditional cache size: 2766, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1736, Maximal queried relation: 0, Independence queries for same thread: 957 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 282 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-495-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-519-4-3-5-6-11-9-9-9-8-9-6-8-6-6-6-8-5-5-4-4-4-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 282 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-495-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-519-4-3-5-6-11-9-9-9-8-9-6-8-6-6-6-8-5-5-4-4-4-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 282 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∨-495-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-519-4-3-5-6-11-9-9-9-8-9-6-8-6-6-6-8-5-5-4-4-4-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-3-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 226 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 863.0s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 29.0s, 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: 147, 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, 10.6s InterpolantComputationTime, 1141 NumberOfCodeBlocks, 1141 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1526 ConstructedInterpolants, 16 QuantifiedInterpolants, 13297 SizeOfPredicates, 39 NumberOfNonLiveVariables, 700 ConjunctsInSsa, 63 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 290/517 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: 73, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown