/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/popl20-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-16 00:02:47,276 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-16 00:02:47,351 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-16 00:02:47,357 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-16 00:02:47,358 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-16 00:02:47,386 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-16 00:02:47,386 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-16 00:02:47,387 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-16 00:02:47,387 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-16 00:02:47,387 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-16 00:02:47,387 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-16 00:02:47,387 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-16 00:02:47,387 INFO L153 SettingsManager]: * Use SBE=true [2024-11-16 00:02:47,387 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-16 00:02:47,388 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-16 00:02:47,388 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-16 00:02:47,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-16 00:02:47,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-16 00:02:47,388 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-16 00:02:47,388 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-16 00:02:47,388 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-16 00:02:47,389 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-16 00:02:47,390 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-16 00:02:47,390 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-16 00:02:47,390 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-16 00:02:47,390 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-16 00:02:47,390 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-16 00:02:47,390 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-16 00:02:47,390 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-16 00:02:47,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:02:47,391 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-16 00:02:47,391 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-16 00:02:47,391 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-16 00:02:47,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-16 00:02:47,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-16 00:02:47,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-16 00:02:47,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-16 00:02:47,392 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-16 00:02:47,392 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-16 00:02:47,392 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 00:02:47,667 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-16 00:02:47,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-16 00:02:47,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-16 00:02:47,679 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-16 00:02:47,680 INFO L274 PluginConnector]: CDTParser initialized [2024-11-16 00:02:47,681 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-11-16 00:02:48,996 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-16 00:02:49,229 INFO L384 CDTParser]: Found 1 translation units. [2024-11-16 00:02:49,230 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-11-16 00:02:49,238 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7de2b00fb/8bbb38f5c2eb4ad5b2e9a28dc126e07d/FLAG3c2326e96 [2024-11-16 00:02:49,258 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/7de2b00fb/8bbb38f5c2eb4ad5b2e9a28dc126e07d [2024-11-16 00:02:49,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-16 00:02:49,263 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-16 00:02:49,265 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-16 00:02:49,265 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-16 00:02:49,270 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-16 00:02:49,271 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,271 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3106da0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49, skipping insertion in model container [2024-11-16 00:02:49,271 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,286 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-16 00:02:49,437 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2024-11-16 00:02:49,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:02:49,450 INFO L200 MainTranslator]: Completed pre-run [2024-11-16 00:02:49,468 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2173,2186] [2024-11-16 00:02:49,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-16 00:02:49,486 INFO L204 MainTranslator]: Completed translation [2024-11-16 00:02:49,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49 WrapperNode [2024-11-16 00:02:49,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-16 00:02:49,488 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-16 00:02:49,488 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-16 00:02:49,488 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-16 00:02:49,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,499 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,513 INFO L138 Inliner]: procedures = 20, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 44 [2024-11-16 00:02:49,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-16 00:02:49,513 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-16 00:02:49,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-16 00:02:49,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-16 00:02:49,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,523 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,527 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,532 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,533 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-16 00:02:49,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-16 00:02:49,539 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-16 00:02:49,539 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-16 00:02:49,540 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (1/1) ... [2024-11-16 00:02:49,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-16 00:02:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:02:49,571 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 00:02:49,575 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 00:02:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-16 00:02:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-16 00:02:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-16 00:02:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-16 00:02:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-16 00:02:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-16 00:02:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-16 00:02:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-16 00:02:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-16 00:02:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-16 00:02:49,596 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 00:02:49,667 INFO L238 CfgBuilder]: Building ICFG [2024-11-16 00:02:49,668 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-16 00:02:49,807 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-16 00:02:49,807 INFO L287 CfgBuilder]: Performing block encoding [2024-11-16 00:02:49,847 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-16 00:02:49,847 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-16 00:02:49,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:49 BoogieIcfgContainer [2024-11-16 00:02:49,848 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-16 00:02:49,852 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-16 00:02:49,852 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-16 00:02:49,857 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-16 00:02:49,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:02:49" (1/3) ... [2024-11-16 00:02:49,857 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4bdf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:49, skipping insertion in model container [2024-11-16 00:02:49,857 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:02:49" (2/3) ... [2024-11-16 00:02:49,858 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a4bdf5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:02:49, skipping insertion in model container [2024-11-16 00:02:49,858 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:02:49" (3/3) ... [2024-11-16 00:02:49,859 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2024-11-16 00:02:49,873 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-16 00:02:49,875 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-nonblocking-counter-alt2.wvr.c that has 3 procedures, 72 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-16 00:02:49,876 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-16 00:02:49,944 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-16 00:02:49,992 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:02:49,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-16 00:02:49,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:02:49,996 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 00:02:49,998 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 00:02:50,071 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-16 00:02:50,085 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-16 00:02:50,092 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;@518b37d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-16 00:02:50,092 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-16 00:02:50,437 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 00:02:50,438 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:02:50,438 INFO L132 ounterexampleChecker]: Examining path program with hash 1540118744, occurence #1 [2024-11-16 00:02:50,438 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:02:50,438 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:02:50,443 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:02:50,444 INFO L85 PathProgramCache]: Analyzing trace with hash -815799859, now seen corresponding path program 1 times [2024-11-16 00:02:50,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:02:50,453 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319120832] [2024-11-16 00:02:50,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:02:50,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:02:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:02:50,612 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 00:02:50,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:02:50,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319120832] [2024-11-16 00:02:50,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319120832] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:02:50,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:02:50,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-16 00:02:50,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63578860] [2024-11-16 00:02:50,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:02:50,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-16 00:02:50,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:02:50,639 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-16 00:02:50,639 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-16 00:02:50,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:50,641 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:02:50,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.0) internal successors, (64), 2 states have internal predecessors, (64), 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 00:02:50,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:50,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:50,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-16 00:02:50,667 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 00:02:50,668 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:02:50,668 INFO L132 ounterexampleChecker]: Examining path program with hash -1039289891, occurence #1 [2024-11-16 00:02:50,668 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:02:50,668 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:02:50,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:02:50,668 INFO L85 PathProgramCache]: Analyzing trace with hash 479522829, now seen corresponding path program 1 times [2024-11-16 00:02:50,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:02:50,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612098306] [2024-11-16 00:02:50,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:02:50,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:02:50,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:02:51,032 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 00:02:51,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:02:51,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612098306] [2024-11-16 00:02:51,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [612098306] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-16 00:02:51,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-16 00:02:51,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-16 00:02:51,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347511238] [2024-11-16 00:02:51,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-16 00:02:51,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-16 00:02:51,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:02:51,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-16 00:02:51,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-16 00:02:51,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:51,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:02:51,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 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 00:02:51,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:51,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:51,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:51,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:02:51,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-16 00:02:51,159 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 00:02:51,159 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:02:51,159 INFO L132 ounterexampleChecker]: Examining path program with hash 163289667, occurence #1 [2024-11-16 00:02:51,159 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:02:51,159 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:02:51,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:02:51,160 INFO L85 PathProgramCache]: Analyzing trace with hash -737065792, now seen corresponding path program 1 times [2024-11-16 00:02:51,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:02:51,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705369807] [2024-11-16 00:02:51,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:02:51,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:02:51,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:02:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:02:51,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:02:51,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705369807] [2024-11-16 00:02:51,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705369807] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:02:51,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1257078416] [2024-11-16 00:02:51,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:02:51,752 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:02:51,752 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:02:51,756 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 00:02:51,757 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 00:02:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:02:51,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-16 00:02:51,851 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:02:52,109 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:02:52,109 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:02:52,657 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:02:52,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1257078416] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:02:52,657 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:02:52,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 20 [2024-11-16 00:02:52,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300317277] [2024-11-16 00:02:52,658 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:02:52,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-16 00:02:52,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:02:52,660 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-16 00:02:52,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-11-16 00:02:52,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:52,660 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:02:52,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.3) internal successors, (106), 20 states have internal predecessors, (106), 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 00:02:52,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:52,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:02:52,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:55,427 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 00:02:55,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:02:55,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:02:55,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-16 00:02:55,629 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 00:02:55,813 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:02:55,813 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 00:02:55,813 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:02:55,813 INFO L132 ounterexampleChecker]: Examining path program with hash 163289667, occurence #2 [2024-11-16 00:02:55,814 INFO L137 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-11-16 00:02:55,814 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2024-11-16 00:02:55,815 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,815 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2024-11-16 00:02:55,815 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,815 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2024-11-16 00:02:55,815 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,815 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2024-11-16 00:02:55,815 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,815 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2024-11-16 00:02:55,815 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,815 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2024-11-16 00:02:55,815 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,815 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2024-11-16 00:02:55,816 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,816 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2024-11-16 00:02:55,816 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,816 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2024-11-16 00:02:55,816 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,816 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-11-16 00:02:55,816 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,816 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2024-11-16 00:02:55,816 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,816 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2024-11-16 00:02:55,816 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,816 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2024-11-16 00:02:55,816 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,816 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2024-11-16 00:02:55,817 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,817 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2024-11-16 00:02:55,828 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:02:55,828 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2024-11-16 00:02:55,828 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,828 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2024-11-16 00:02:55,828 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,828 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2024-11-16 00:02:55,828 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:02:55,829 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2024-11-16 00:02:55,829 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,829 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2024-11-16 00:02:55,829 WARN L177 ounterexampleChecker]: Statements were already independent. [2024-11-16 00:02:55,829 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2024-11-16 00:02:55,829 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,829 INFO L158 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2024-11-16 00:02:55,829 INFO L194 ounterexampleChecker]: No commutativity condition found. [2024-11-16 00:02:55,829 WARN L199 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2024-11-16 00:02:55,829 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:02:55,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:02:55,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1074098208, now seen corresponding path program 2 times [2024-11-16 00:02:55,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:02:55,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622491945] [2024-11-16 00:02:55,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:02:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:02:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-16 00:02:57,984 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:02:57,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-16 00:02:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622491945] [2024-11-16 00:02:57,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622491945] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-16 00:02:57,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1470888313] [2024-11-16 00:02:57,985 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-16 00:02:57,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:02:57,985 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-16 00:02:57,989 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 00:02:57,991 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 00:02:58,060 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-16 00:02:58,060 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-16 00:02:58,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-16 00:02:58,064 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-16 00:02:59,274 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:02:59,274 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-16 00:03:35,793 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 38 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-16 00:03:35,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1470888313] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-16 00:03:35,793 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-16 00:03:35,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19, 19] total 51 [2024-11-16 00:03:35,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260257423] [2024-11-16 00:03:35,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-16 00:03:35,794 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-11-16 00:03:35,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-16 00:03:35,797 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-11-16 00:03:35,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=415, Invalid=2133, Unknown=2, NotChecked=0, Total=2550 [2024-11-16 00:03:35,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:03:35,799 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-16 00:03:35,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 3.3529411764705883) internal successors, (171), 51 states have internal predecessors, (171), 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 00:03:35,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:03:35,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:03:35,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-11-16 00:03:35,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:03:48,835 WARN L286 SmtUtils]: Spent 10.80s on a formula simplification. DAG size of input: 72 DAG size of output: 59 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-16 00:03:56,043 WARN L286 SmtUtils]: Spent 5.36s on a formula simplification. DAG size of input: 73 DAG size of output: 51 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-16 00:04:22,250 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:04:24,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:04:26,289 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:04:27,779 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:05:12,396 WARN L286 SmtUtils]: Spent 42.38s on a formula simplification. DAG size of input: 163 DAG size of output: 131 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-16 00:05:25,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:05:27,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:05:29,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:05:37,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:05:39,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:05:52,767 WARN L286 SmtUtils]: Spent 6.47s on a formula simplification. DAG size of input: 95 DAG size of output: 86 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-16 00:06:11,021 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:06:13,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:06:26,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:06:28,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:06:34,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:06:36,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:06:50,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:06:51,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:07:04,433 WARN L286 SmtUtils]: Spent 7.07s on a formula simplification. DAG size of input: 90 DAG size of output: 77 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-16 00:07:11,869 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:07:13,874 WARN L539 Checker$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 00:07:22,101 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:07:43,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:07:58,073 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:08:00,433 WARN L539 Checker$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 00:08:02,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:08:04,439 WARN L539 Checker$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 00:08:10,798 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:08:12,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:08:15,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:08:17,076 WARN L539 Checker$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 00:08:19,078 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:08:31,186 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:08:33,195 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:08:35,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:08:44,230 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:08:55,799 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:08:58,393 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:09:00,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:09:01,590 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [1] [2024-11-16 00:09:08,282 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-16 00:09:17,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-16 00:09:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-16 00:09:17,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-16 00:09:17,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-11-16 00:09:17,163 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-16 00:09:17,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-16 00:09:17,348 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 00:09:17,348 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-16 00:09:17,349 INFO L132 ounterexampleChecker]: Examining path program with hash 1495566299, occurence #1 [2024-11-16 00:09:17,349 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-16 00:09:17,349 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-16 00:09:17,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-16 00:09:17,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1485146628, now seen corresponding path program 3 times [2024-11-16 00:09:17,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-16 00:09:17,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322523106] [2024-11-16 00:09:17,350 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-16 00:09:17,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-16 00:09:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-11-16 00:17:10,362 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-16 00:17:10,363 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 00:17:10,363 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-16 00:17:10,364 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 117 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-5-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-5-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-72-11-10-10-11-10-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-10-11-10-11-10-11-10-11-10-11-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-9-10-9-10-9-10-9-10-9-10-9-9-9-9-9-9-9-9-9-9-6-9-6-9-6-9-6-9-6-9-6-6-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 context. [2024-11-16 00:17:10,366 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-16 00:17:10,366 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-16 00:17:10,367 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 00:17:10,374 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-11-16 00:17:10,378 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-16 00:17:10,378 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-16 00:17:10,399 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 00:17:10,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:17:10 BasicIcfg [2024-11-16 00:17:10,400 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-16 00:17:10,400 INFO L158 Benchmark]: Toolchain (without parser) took 861137.74ms. Allocated memory was 100.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 72.2MB in the beginning and 448.7MB in the end (delta: -376.5MB). Peak memory consumption was 799.2MB. Max. memory is 8.0GB. [2024-11-16 00:17:10,401 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:17:10,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 223.04ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 60.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-16 00:17:10,401 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.79ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-16 00:17:10,401 INFO L158 Benchmark]: Boogie Preprocessor took 24.90ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 58.6MB in the end (delta: 736.6kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-16 00:17:10,401 INFO L158 Benchmark]: RCFGBuilder took 308.89ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 45.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-16 00:17:10,402 INFO L158 Benchmark]: TraceAbstraction took 860547.45ms. Allocated memory was 100.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 45.1MB in the beginning and 448.7MB in the end (delta: -403.5MB). Peak memory consumption was 769.8MB. Max. memory is 8.0GB. [2024-11-16 00:17:10,403 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 100.7MB. Free memory is still 51.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 223.04ms. Allocated memory is still 100.7MB. Free memory was 72.2MB in the beginning and 60.6MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 24.79ms. Allocated memory is still 100.7MB. Free memory was 60.6MB in the beginning and 59.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 24.90ms. Allocated memory is still 100.7MB. Free memory was 59.4MB in the beginning and 58.6MB in the end (delta: 736.6kB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 308.89ms. Allocated memory is still 100.7MB. Free memory was 58.6MB in the beginning and 45.4MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 860547.45ms. Allocated memory was 100.7MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 45.1MB in the beginning and 448.7MB in the end (delta: -403.5MB). Peak memory consumption was 769.8MB. 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: 1327, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 252, dependent conditional: 248, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1082, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1082, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1084, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 9, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1084, independent: 1075, independent conditional: 0, independent unconditional: 1075, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, independent: 1075, independent conditional: 0, independent unconditional: 1075, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 459, independent: 455, independent conditional: 0, independent unconditional: 455, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 459, independent: 453, independent conditional: 0, independent unconditional: 453, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1084, independent: 620, independent conditional: 0, independent unconditional: 620, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 459, unknown conditional: 0, unknown unconditional: 459] , Statistics on independence cache: Total cache size (in pairs): 459, Positive cache size: 455, Positive conditional cache size: 0, Positive unconditional cache size: 455, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 604, Maximal queried relation: 1, Independence queries for same thread: 245, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 74, Number of trivial persistent sets: 64, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 480, independent: 476, independent conditional: 0, independent unconditional: 476, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1327, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 252, dependent conditional: 248, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1082, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1082, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 7, dependent conditional: 3, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1084, independent: 1075, independent conditional: 599, independent unconditional: 476, dependent: 9, dependent conditional: 5, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1084, independent: 1075, independent conditional: 0, independent unconditional: 1075, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1084, independent: 1075, independent conditional: 0, independent unconditional: 1075, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 459, independent: 455, independent conditional: 0, independent unconditional: 455, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 459, independent: 453, independent conditional: 0, independent unconditional: 453, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 187, dependent conditional: 0, dependent unconditional: 187, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 1084, independent: 620, independent conditional: 0, independent unconditional: 620, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 459, unknown conditional: 0, unknown unconditional: 459] , Statistics on independence cache: Total cache size (in pairs): 459, Positive cache size: 455, Positive conditional cache size: 0, Positive unconditional cache size: 455, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 604, Maximal queried relation: 1, Independence queries for same thread: 245 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 117 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-5-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-5-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-72-11-10-10-11-10-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-10-11-10-11-10-11-10-11-10-11-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-9-10-9-10-9-10-9-10-9-10-9-9-9-9-9-9-9-9-9-9-6-9-6-9-6-9-6-9-6-9-6-6-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 117 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-5-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-5-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-72-11-10-10-11-10-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-10-11-10-11-10-11-10-11-10-11-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-9-10-9-10-9-10-9-10-9-10-9-9-9-9-9-9-9-9-9-9-6-9-6-9-6-9-6-9-6-9-6-6-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 context. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 117 with TraceHistMax 9,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-2-5-6-8-6-8-6-8-6-7-6-7-6-7-6-7-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-11-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-10-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-9-6-5-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 term,while PolyPacSimplificationTermWalker was simplifying 4 xjuncts wrt. a ∧-72-11-10-10-11-10-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-11-10-11-10-11-10-11-10-11-10-11-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-10-9-10-9-10-9-10-9-10-9-10-9-9-9-9-9-9-9-9-9-9-6-9-6-9-6-9-6-9-6-9-6-6-6-5-6-5-6-5-6-4-6-4-6-2-4-2-3-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 92 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 860.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 344.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 114, 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, 0.2s SatisfiabilityAnalysisTime, 41.6s InterpolantComputationTime, 430 NumberOfCodeBlocks, 430 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 574 ConstructedInterpolants, 18 QuantifiedInterpolants, 6646 SizeOfPredicates, 28 NumberOfNonLiveVariables, 298 ConjunctsInSsa, 44 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 0/135 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: 19, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown