/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/pthread-wmm/safe002_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-aee53f6 [2024-11-15 21:57:53,051 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-15 21:57:53,108 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-15 21:57:53,116 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-15 21:57:53,116 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-15 21:57:53,148 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-15 21:57:53,149 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-15 21:57:53,149 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-15 21:57:53,149 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-15 21:57:53,150 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-15 21:57:53,150 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-15 21:57:53,150 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-15 21:57:53,150 INFO L153 SettingsManager]: * Use SBE=true [2024-11-15 21:57:53,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-15 21:57:53,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-15 21:57:53,150 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-15 21:57:53,150 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-15 21:57:53,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-15 21:57:53,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-15 21:57:53,151 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-15 21:57:53,151 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-15 21:57:53,151 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-15 21:57:53,151 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-15 21:57:53,154 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-15 21:57:53,154 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-15 21:57:53,155 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:57:53,155 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-15 21:57:53,155 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-15 21:57:53,156 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-15 21:57:53,156 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-15 21:57:53,156 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-15 21:57:53,156 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-15 21:57:53,156 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 21:57:53,425 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-15 21:57:53,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-15 21:57:53,434 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-15 21:57:53,435 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-15 21:57:53,435 INFO L274 PluginConnector]: CDTParser initialized [2024-11-15 21:57:53,436 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2024-11-15 21:57:54,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-15 21:57:55,049 INFO L384 CDTParser]: Found 1 translation units. [2024-11-15 21:57:55,050 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/safe002_tso.i [2024-11-15 21:57:55,063 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/68954dd7e/0b6c9d30ae764f43a47103e895b9a70f/FLAGdcce64d1b [2024-11-15 21:57:55,084 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/68954dd7e/0b6c9d30ae764f43a47103e895b9a70f [2024-11-15 21:57:55,087 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-15 21:57:55,088 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-15 21:57:55,089 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-15 21:57:55,089 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-15 21:57:55,093 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-15 21:57:55,094 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26ce3291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55, skipping insertion in model container [2024-11-15 21:57:55,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,130 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-15 21:57:55,292 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/pthread-wmm/safe002_tso.i[945,958] [2024-11-15 21:57:55,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:57:55,487 INFO L200 MainTranslator]: Completed pre-run [2024-11-15 21:57:55,496 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/pthread-wmm/safe002_tso.i[945,958] [2024-11-15 21:57:55,538 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-15 21:57:55,571 INFO L204 MainTranslator]: Completed translation [2024-11-15 21:57:55,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55 WrapperNode [2024-11-15 21:57:55,572 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-15 21:57:55,573 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-15 21:57:55,573 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-15 21:57:55,573 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-15 21:57:55,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,591 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,607 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-11-15 21:57:55,608 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-15 21:57:55,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-15 21:57:55,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-15 21:57:55,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-15 21:57:55,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,616 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,616 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,622 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,624 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,624 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,626 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-15 21:57:55,627 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-15 21:57:55,627 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-15 21:57:55,627 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-15 21:57:55,628 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (1/1) ... [2024-11-15 21:57:55,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-15 21:57:55,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:57:55,656 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 21:57:55,658 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 21:57:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-15 21:57:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-15 21:57:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-15 21:57:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-15 21:57:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-15 21:57:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-15 21:57:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-15 21:57:55,678 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-15 21:57:55,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-15 21:57:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-15 21:57:55,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-15 21:57:55,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-15 21:57:55,680 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 21:57:55,787 INFO L238 CfgBuilder]: Building ICFG [2024-11-15 21:57:55,789 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-15 21:57:55,920 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-15 21:57:55,920 INFO L287 CfgBuilder]: Performing block encoding [2024-11-15 21:57:55,932 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-15 21:57:55,932 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-15 21:57:55,933 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:57:55 BoogieIcfgContainer [2024-11-15 21:57:55,933 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-15 21:57:55,938 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-15 21:57:55,938 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-15 21:57:55,944 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-15 21:57:55,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 09:57:55" (1/3) ... [2024-11-15 21:57:55,944 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d51acac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:57:55, skipping insertion in model container [2024-11-15 21:57:55,944 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:57:55" (2/3) ... [2024-11-15 21:57:55,945 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d51acac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 09:57:55, skipping insertion in model container [2024-11-15 21:57:55,945 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:57:55" (3/3) ... [2024-11-15 21:57:55,946 INFO L112 eAbstractionObserver]: Analyzing ICFG safe002_tso.i [2024-11-15 21:57:55,959 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-15 21:57:55,961 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG safe002_tso.i that has 4 procedures, 85 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-15 21:57:55,961 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-15 21:57:56,037 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-15 21:57:56,090 INFO L126 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:57:56,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-15 21:57:56,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-15 21:57:56,093 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 21:57:56,094 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 21:57:56,169 INFO L181 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-15 21:57:56,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-15 21:57:56,186 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;@49d92730, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-15 21:57:56,187 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-15 21:57:56,694 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 1 more)] === [2024-11-15 21:57:56,695 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:57:56,695 INFO L132 ounterexampleChecker]: Examining path program with hash -873709272, occurence #1 [2024-11-15 21:57:56,695 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:57:56,695 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:57:56,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:57:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash -626973354, now seen corresponding path program 1 times [2024-11-15 21:57:56,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:57:56,711 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29376062] [2024-11-15 21:57:56,711 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:57:56,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:57:56,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:57:56,957 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 21:57:56,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:57:56,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29376062] [2024-11-15 21:57:56,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29376062] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:57:56,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:57:56,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-15 21:57:56,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910930495] [2024-11-15 21:57:56,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:57:56,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-15 21:57:56,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:57:56,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-15 21:57:56,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-15 21:57:56,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:56,988 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:57:56,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 21:57:56,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:57,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:57,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-15 21:57:57,020 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 1 more)] === [2024-11-15 21:57:57,020 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:57:57,020 INFO L132 ounterexampleChecker]: Examining path program with hash 714786935, occurence #1 [2024-11-15 21:57:57,020 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:57:57,020 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:57:57,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:57:57,021 INFO L85 PathProgramCache]: Analyzing trace with hash -1101517340, now seen corresponding path program 1 times [2024-11-15 21:57:57,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:57:57,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165452850] [2024-11-15 21:57:57,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:57:57,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:57:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:57:57,505 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 21:57:57,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:57:57,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165452850] [2024-11-15 21:57:57,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165452850] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:57:57,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:57:57,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 21:57:57,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141455630] [2024-11-15 21:57:57,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:57:57,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 21:57:57,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:57:57,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 21:57:57,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-15 21:57:57,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:57,510 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:57:57,510 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-15 21:57:57,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:57,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:57,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:57,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:57:57,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-15 21:57:57,812 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 1 more)] === [2024-11-15 21:57:57,812 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:57:57,812 INFO L132 ounterexampleChecker]: Examining path program with hash -105805834, occurence #1 [2024-11-15 21:57:57,812 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:57:57,812 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:57:57,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:57:57,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1249565797, now seen corresponding path program 1 times [2024-11-15 21:57:57,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:57:57,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807319485] [2024-11-15 21:57:57,813 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:57:57,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:57:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:57:58,096 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 21:57:58,097 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:57:58,097 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807319485] [2024-11-15 21:57:58,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807319485] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:57:58,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:57:58,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-15 21:57:58,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087174170] [2024-11-15 21:57:58,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:57:58,098 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-15 21:57:58,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:57:58,098 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-15 21:57:58,098 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-15 21:57:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:58,098 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:57:58,099 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.375) internal successors, (67), 8 states have internal predecessors, (67), 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 21:57:58,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:58,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:57:58,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:58,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:57:58,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-15 21:57:58,268 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-15 21:57:58,269 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-15 21:57:58,269 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:57:58,269 INFO L132 ounterexampleChecker]: Examining path program with hash 1743977287, occurence #1 [2024-11-15 21:57:58,269 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:57:58,269 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:57:58,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:57:58,270 INFO L85 PathProgramCache]: Analyzing trace with hash 495323226, now seen corresponding path program 1 times [2024-11-15 21:57:58,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:57:58,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960423230] [2024-11-15 21:57:58,270 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:57:58,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:57:58,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:57:58,530 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 21:57:58,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:57:58,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [960423230] [2024-11-15 21:57:58,530 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [960423230] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:57:58,530 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:57:58,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-15 21:57:58,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [762759581] [2024-11-15 21:57:58,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:57:58,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-15 21:57:58,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:57:58,531 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-15 21:57:58,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-11-15 21:57:58,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:58,533 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:57:58,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.0) internal successors, (70), 7 states have internal predecessors, (70), 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 21:57:58,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:58,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-15 21:57:58,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-15 21:57:58,534 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-15 21:57:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-15 21:57:59,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:57:59,701 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-15 21:57:59,701 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-11-15 21:57:59,701 INFO L312 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-11-15 21:57:59,701 INFO L132 ounterexampleChecker]: Examining path program with hash 1611836422, occurence #1 [2024-11-15 21:57:59,701 INFO L134 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-11-15 21:57:59,702 INFO L322 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-11-15 21:57:59,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-15 21:57:59,702 INFO L85 PathProgramCache]: Analyzing trace with hash -1795685332, now seen corresponding path program 2 times [2024-11-15 21:57:59,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-15 21:57:59,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948277692] [2024-11-15 21:57:59,702 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-15 21:57:59,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-15 21:57:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-15 21:57:59,976 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 21:57:59,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-15 21:57:59,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948277692] [2024-11-15 21:57:59,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948277692] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-15 21:57:59,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-15 21:57:59,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-15 21:57:59,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764420958] [2024-11-15 21:57:59,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-15 21:57:59,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-15 21:57:59,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-15 21:57:59,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-15 21:57:59,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-11-15 21:57:59,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:59,978 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-15 21:57:59,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 21:57:59,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:57:59,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-15 21:57:59,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-15 21:57:59,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:57:59,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:58:00,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-15 21:58:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-15 21:58:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-15 21:58:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-15 21:58:00,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-15 21:58:00,526 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-15 21:58:00,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-15 21:58:00,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-15 21:58:00,527 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-15 21:58:00,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-15 21:58:00,532 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-15 21:58:00,534 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-15 21:58:00,534 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-15 21:58:00,556 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 21:58:00,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 09:58:00 BasicIcfg [2024-11-15 21:58:00,556 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-15 21:58:00,557 INFO L158 Benchmark]: Toolchain (without parser) took 5469.05ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 71.2MB in the beginning and 46.8MB in the end (delta: 24.4MB). Peak memory consumption was 76.0MB. Max. memory is 8.0GB. [2024-11-15 21:58:00,557 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 21:58:00,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 482.99ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 50.7MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-11-15 21:58:00,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.62ms. Allocated memory is still 100.7MB. Free memory was 50.7MB in the beginning and 49.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 21:58:00,558 INFO L158 Benchmark]: Boogie Preprocessor took 18.27ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 48.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-15 21:58:00,558 INFO L158 Benchmark]: RCFGBuilder took 305.78ms. Allocated memory is still 100.7MB. Free memory was 48.0MB in the beginning and 35.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-15 21:58:00,559 INFO L158 Benchmark]: TraceAbstraction took 4618.23ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 35.2MB in the beginning and 46.8MB in the end (delta: -11.6MB). Peak memory consumption was 42.4MB. Max. memory is 8.0GB. [2024-11-15 21:58:00,560 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 100.7MB. Free memory is still 53.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 482.99ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 50.7MB in the end (delta: 20.3MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.62ms. Allocated memory is still 100.7MB. Free memory was 50.7MB in the beginning and 49.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 18.27ms. Allocated memory is still 100.7MB. Free memory was 49.0MB in the beginning and 48.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 305.78ms. Allocated memory is still 100.7MB. Free memory was 48.0MB in the beginning and 35.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4618.23ms. Allocated memory was 100.7MB in the beginning and 125.8MB in the end (delta: 25.2MB). Free memory was 35.2MB in the beginning and 46.8MB in the end (delta: -11.6MB). Peak memory consumption was 42.4MB. 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: 29952, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 659, dependent conditional: 634, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29884, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 591, dependent conditional: 566, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29884, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 591, dependent conditional: 566, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32214, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 2921, dependent conditional: 2896, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32214, independent: 29293, independent conditional: 346, independent unconditional: 28947, dependent: 2921, dependent conditional: 138, dependent unconditional: 2783, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32214, independent: 29293, independent conditional: 346, independent unconditional: 28947, dependent: 2921, dependent conditional: 138, dependent unconditional: 2783, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1529, independent: 1498, independent conditional: 10, independent unconditional: 1488, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1529, independent: 1480, independent conditional: 0, independent unconditional: 1480, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 839, independent: 271, independent conditional: 152, independent unconditional: 118, dependent: 568, dependent conditional: 73, dependent unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 32214, independent: 27795, independent conditional: 336, independent unconditional: 27459, dependent: 2890, dependent conditional: 132, dependent unconditional: 2758, unknown: 1529, unknown conditional: 16, unknown unconditional: 1513] , Statistics on independence cache: Total cache size (in pairs): 1529, Positive cache size: 1498, Positive conditional cache size: 10, Positive unconditional cache size: 1488, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30217, Maximal queried relation: 4, Independence queries for same thread: 68, Persistent sets #1 benchmarks: Persistent set computation time: 0.9s, Number of persistent set computation: 2142, Number of trivial persistent sets: 743, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1513, independent: 1488, independent conditional: 0, independent unconditional: 1488, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29952, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 659, dependent conditional: 634, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29884, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 591, dependent conditional: 566, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29884, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 591, dependent conditional: 566, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32214, independent: 29293, independent conditional: 27805, independent unconditional: 1488, dependent: 2921, dependent conditional: 2896, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32214, independent: 29293, independent conditional: 346, independent unconditional: 28947, dependent: 2921, dependent conditional: 138, dependent unconditional: 2783, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32214, independent: 29293, independent conditional: 346, independent unconditional: 28947, dependent: 2921, dependent conditional: 138, dependent unconditional: 2783, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1529, independent: 1498, independent conditional: 10, independent unconditional: 1488, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1529, independent: 1480, independent conditional: 0, independent unconditional: 1480, dependent: 49, dependent conditional: 0, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 839, independent: 271, independent conditional: 152, independent unconditional: 118, dependent: 568, dependent conditional: 73, dependent unconditional: 495, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 32214, independent: 27795, independent conditional: 336, independent unconditional: 27459, dependent: 2890, dependent conditional: 132, dependent unconditional: 2758, unknown: 1529, unknown conditional: 16, unknown unconditional: 1513] , Statistics on independence cache: Total cache size (in pairs): 1529, Positive cache size: 1498, Positive conditional cache size: 10, Positive unconditional cache size: 1488, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 30217, Maximal queried relation: 4, Independence queries for same thread: 68 - PositiveResult [Line: 18]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.7s, 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: 44, 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, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 338 NumberOfCodeBlocks, 338 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 333 ConstructedInterpolants, 0 QuantifiedInterpolants, 1223 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-15 21:58:00,590 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...