/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/bench-exp2x6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 22:56:01,742 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 22:56:01,810 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 22:56:01,817 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 22:56:01,817 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 22:56:01,846 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 22:56:01,846 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 22:56:01,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 22:56:01,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 22:56:01,847 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 22:56:01,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 22:56:01,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 22:56:01,847 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 22:56:01,847 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 22:56:01,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 22:56:01,847 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 22:56:01,847 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 22:56:01,848 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 22:56:01,848 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 22:56:01,849 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 22:56:01,849 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 22:56:01,850 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 [2024-11-15 22:56:02,159 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 22:56:02,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 22:56:02,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 22:56:02,172 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 22:56:02,173 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 22:56:02,174 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2024-11-15 22:56:03,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 22:56:03,767 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 22:56:03,767 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/bench-exp2x6.wvr.c [2024-11-15 22:56:03,774 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/4eebc993b/75bd45582e9149eba85689286857b1d6/FLAGc7d5dbce8 [2024-11-15 22:56:03,786 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/4eebc993b/75bd45582e9149eba85689286857b1d6 [2024-11-15 22:56:03,788 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 22:56:03,789 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 22:56:03,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 22:56:03,790 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 22:56:03,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 22:56:03,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:56:03" (1/1) ... [2024-11-15 22:56:03,796 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0f856f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:03, skipping insertion in model container [2024-11-15 22:56:03,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:56:03" (1/1) ... [2024-11-15 22:56:03,810 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 22:56:03,985 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/bench-exp2x6.wvr.c[2505,2518] [2024-11-15 22:56:03,993 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 22:56:04,001 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 22:56:04,023 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/bench-exp2x6.wvr.c[2505,2518] [2024-11-15 22:56:04,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 22:56:04,040 INFO L204 MainTranslator]: Completed translation [2024-11-15 22:56:04,040 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04 WrapperNode [2024-11-15 22:56:04,041 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 22:56:04,042 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 22:56:04,042 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 22:56:04,042 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 22:56:04,047 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,057 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,077 INFO L138 Inliner]: procedures = 19, calls = 12, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-15 22:56:04,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 22:56:04,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 22:56:04,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 22:56:04,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 22:56:04,084 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,087 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,087 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,092 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,102 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,103 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,103 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,105 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 22:56:04,110 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 22:56:04,110 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 22:56:04,110 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 22:56:04,111 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (1/1) ... [2024-11-15 22:56:04,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 22:56:04,131 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 22:56:04,144 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) [2024-11-15 22:56:04,146 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 [2024-11-15 22:56:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 22:56:04,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-15 22:56:04,165 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-15 22:56:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-15 22:56:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-15 22:56:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-15 22:56:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-15 22:56:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-15 22:56:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-15 22:56:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 22:56:04,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 22:56:04,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 22:56:04,167 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-15 22:56:04,266 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 22:56:04,268 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 22:56:04,498 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 22:56:04,498 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 22:56:04,515 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 22:56:04,515 INFO L316 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-15 22:56:04,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:56:04 BoogieIcfgContainer [2024-11-15 22:56:04,515 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 22:56:04,518 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 22:56:04,518 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 22:56:04,522 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 22:56:04,522 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:56:03" (1/3) ... [2024-11-15 22:56:04,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ad2a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:56:04, skipping insertion in model container [2024-11-15 22:56:04,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:56:04" (2/3) ... [2024-11-15 22:56:04,523 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26ad2a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:56:04, skipping insertion in model container [2024-11-15 22:56:04,523 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:56:04" (3/3) ... [2024-11-15 22:56:04,524 INFO L112 eAbstractionObserver]: Analyzing ICFG bench-exp2x6.wvr.c [2024-11-15 22:56:04,538 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 22:56:04,539 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG bench-exp2x6.wvr.c that has 5 procedures, 117 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-11-15 22:56:04,540 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 22:56:04,648 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-11-15 22:56:04,733 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 22:56:04,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 22:56:04,734 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 22:56:04,736 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) [2024-11-15 22:56:04,738 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 [2024-11-15 22:56:04,820 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 22:56:04,833 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 22:56:04,841 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;@4c3d68d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 22:56:04,841 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-15 22:56:05,393 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 22:56:05,393 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:56:05,394 INFO L132 ounterexampleChecker]: Examining path program with hash -492826506, occurence #1 [2024-11-15 22:56:05,394 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:56:05,394 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:56:05,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:56:05,401 INFO L85 PathProgramCache]: Analyzing trace with hash -2076605819, now seen corresponding path program 1 times [2024-11-15 22:56:05,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:56:05,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903158952] [2024-11-15 22:56:05,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:56:05,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:56:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:56:05,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:56:05,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:56:05,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903158952] [2024-11-15 22:56:05,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903158952] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:56:05,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:56:05,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 22:56:05,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85513865] [2024-11-15 22:56:05,634 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:56:05,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 22:56:05,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:56:05,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 22:56:05,660 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 22:56:05,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:56:05,663 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:56:05,664 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 53.0) internal successors, (106), 2 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) [2024-11-15 22:56:05,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:56:05,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:56:05,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 22:56:05,732 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 22:56:05,732 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:56:05,733 INFO L132 ounterexampleChecker]: Examining path program with hash -522354190, occurence #1 [2024-11-15 22:56:05,733 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:56:05,733 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:56:05,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:56:05,733 INFO L85 PathProgramCache]: Analyzing trace with hash 559694046, now seen corresponding path program 1 times [2024-11-15 22:56:05,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:56:05,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661777634] [2024-11-15 22:56:05,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:56:05,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:56:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:56:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:56:07,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:56:07,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661777634] [2024-11-15 22:56:07,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661777634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 22:56:07,046 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 22:56:07,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-15 22:56:07,047 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718282611] [2024-11-15 22:56:07,047 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 22:56:07,048 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-15 22:56:07,048 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 22:56:07,049 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-15 22:56:07,049 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-15 22:56:07,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:56:07,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 22:56:07,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.0) internal successors, (114), 6 states have internal predecessors, (114), 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) [2024-11-15 22:56:07,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:56:07,053 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:56:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 22:56:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-15 22:56:07,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-15 22:56:07,283 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-15 22:56:07,283 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 22:56:07,283 INFO L132 ounterexampleChecker]: Examining path program with hash 867064198, occurence #1 [2024-11-15 22:56:07,283 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 22:56:07,283 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 22:56:07,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 22:56:07,284 INFO L85 PathProgramCache]: Analyzing trace with hash 2125110858, now seen corresponding path program 1 times [2024-11-15 22:56:07,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 22:56:07,284 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120567707] [2024-11-15 22:56:07,284 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:56:07,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 22:56:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:56:08,340 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:56:08,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 22:56:08,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120567707] [2024-11-15 22:56:08,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120567707] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-15 22:56:08,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684087625] [2024-11-15 22:56:08,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 22:56:08,341 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-15 22:56:08,341 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 22:56:08,344 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) [2024-11-15 22:56:08,345 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 [2024-11-15 22:56:10,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 22:56:10,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 80 conjuncts are in the unsatisfiable core [2024-11-15 22:56:10,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-15 22:57:11,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 22:57:11,325 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-15 23:04:20,958 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-15 23:04:20,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684087625] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-15 23:04:20,958 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-15 23:04:20,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 30, 45] total 85 [2024-11-15 23:04:20,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821637894] [2024-11-15 23:04:20,959 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-15 23:04:20,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-11-15 23:04:20,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 23:04:20,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-11-15 23:04:20,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=776, Invalid=6181, Unknown=183, NotChecked=0, Total=7140 [2024-11-15 23:04:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:04:20,965 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 23:04:20,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 3.623529411764706) internal successors, (308), 85 states have internal predecessors, (308), 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) [2024-11-15 23:04:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:04:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-11-15 23:04:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 23:05:53,371 WARN L286 SmtUtils]: Spent 1.54m on a formula simplification. DAG size of input: 252 DAG size of output: 250 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:06:16,957 WARN L286 SmtUtils]: Spent 23.03s on a formula simplification that was a NOOP. DAG size: 185 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:06:46,245 WARN L286 SmtUtils]: Spent 29.07s on a formula simplification. DAG size of input: 196 DAG size of output: 192 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:07:02,517 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:07:20,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:07:22,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:07:35,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:07:50,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:08:16,054 WARN L286 SmtUtils]: Spent 10.27s on a formula simplification that was a NOOP. DAG size: 62 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:08:31,945 WARN L286 SmtUtils]: Spent 9.47s on a formula simplification. DAG size of input: 78 DAG size of output: 75 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:09:07,200 WARN L286 SmtUtils]: Spent 16.59s on a formula simplification. DAG size of input: 82 DAG size of output: 76 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:09:09,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:11,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:13,716 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:15,853 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:18,562 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:41,238 WARN L286 SmtUtils]: Spent 11.07s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-15 23:09:43,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:46,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:48,902 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:52,243 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:53,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:09:58,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:00,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:03,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:06,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:10,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:24,252 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:26,398 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:28,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:31,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:33,834 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-11-15 23:10:38,574 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-15 23:10:38,596 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-15 23:10:38,597 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-11-15 23:10:39,075 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-15 23:10:39,592 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-15 23:10:39,615 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 [2024-11-15 23:10:39,785 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-15 23:10:39,785 WARN L596 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-11-15 23:10:39,791 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-11-15 23:10:39,793 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-11-15 23:10:39,793 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-11-15 23:10:39,793 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-11-15 23:10:39,793 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-11-15 23:10:39,797 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-15 23:10:39,799 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-15 23:10:39,800 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-15 23:10:39,800 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-11-15 23:10:39,807 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-11-15 23:10:39,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:10:39 BasicIcfg [2024-11-15 23:10:39,808 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-15 23:10:39,809 INFO L158 Benchmark]: Toolchain (without parser) took 876019.74ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 56.4MB in the beginning and 91.7MB in the end (delta: -35.3MB). Peak memory consumption was 52.1MB. Max. memory is 8.0GB. [2024-11-15 23:10:39,809 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 23:10:39,809 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.08ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 44.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-15 23:10:39,809 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.56ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 43.0MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-15 23:10:39,810 INFO L158 Benchmark]: Boogie Preprocessor took 26.99ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.1MB in the end (delta: 926.2kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 23:10:39,810 INFO L158 Benchmark]: RCFGBuilder took 405.75ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 28.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-15 23:10:39,810 INFO L158 Benchmark]: TraceAbstraction took 875290.62ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 28.0MB in the beginning and 91.7MB in the end (delta: -63.7MB). Peak memory consumption was 22.7MB. Max. memory is 8.0GB. [2024-11-15 23:10:39,811 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 83.9MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 251.08ms. Allocated memory is still 83.9MB. Free memory was 56.2MB in the beginning and 44.2MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.56ms. Allocated memory is still 83.9MB. Free memory was 44.2MB in the beginning and 43.0MB in the end (delta: 1.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.99ms. Allocated memory is still 83.9MB. Free memory was 43.0MB in the beginning and 42.1MB in the end (delta: 926.2kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 405.75ms. Allocated memory is still 83.9MB. Free memory was 42.1MB in the beginning and 28.5MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 875290.62ms. Allocated memory was 83.9MB in the beginning and 167.8MB in the end (delta: 83.9MB). Free memory was 28.0MB in the beginning and 91.7MB in the end (delta: -63.7MB). Peak memory consumption was 22.7MB. 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: 8788, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 996, dependent conditional: 990, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 0, independent unconditional: 7792, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 0, independent unconditional: 7792, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2574, independent: 2568, independent conditional: 0, independent unconditional: 2568, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2574, independent: 2565, independent conditional: 0, independent unconditional: 2565, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 296, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 7798, independent: 5224, independent conditional: 0, independent unconditional: 5224, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2574, unknown conditional: 0, unknown unconditional: 2574] , Statistics on independence cache: Total cache size (in pairs): 2574, Positive cache size: 2568, Positive conditional cache size: 0, Positive unconditional cache size: 2568, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5044, Maximal queried relation: 0, Independence queries for same thread: 990, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 137, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2754, independent: 2748, independent conditional: 0, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8788, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 996, dependent conditional: 990, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 5044, independent unconditional: 2748, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 0, independent unconditional: 7792, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7798, independent: 7792, independent conditional: 0, independent unconditional: 7792, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2574, independent: 2568, independent conditional: 0, independent unconditional: 2568, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2574, independent: 2565, independent conditional: 0, independent unconditional: 2565, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 296, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 171, dependent conditional: 0, dependent unconditional: 171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 7798, independent: 5224, independent conditional: 0, independent unconditional: 5224, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2574, unknown conditional: 0, unknown unconditional: 2574] , Statistics on independence cache: Total cache size (in pairs): 2574, Positive cache size: 2568, Positive conditional cache size: 0, Positive unconditional cache size: 2568, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5044, Maximal queried relation: 0, Independence queries for same thread: 990 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 157 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 875.0s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 379.7s, 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: 52, 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: 0.0s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 491.7s InterpolantComputationTime, 518 NumberOfCodeBlocks, 518 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 652 ConstructedInterpolants, 0 QuantifiedInterpolants, 13323 SizeOfPredicates, 10 NumberOfNonLiveVariables, 304 ConjunctsInSsa, 80 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 0/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown