/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 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 01:56:29,191 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 01:56:29,254 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 01:56:29,258 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 01:56:29,258 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 01:56:29,284 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 01:56:29,285 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 01:56:29,285 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 01:56:29,285 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 01:56:29,285 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 01:56:29,285 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 01:56:29,285 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 01:56:29,286 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 01:56:29,286 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 01:56:29,286 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 01:56:29,286 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 01:56:29,286 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 01:56:29,286 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 01:56:29,288 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 01:56:29,288 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 01:56:29,288 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 01:56:29,288 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 01:56:29,288 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 01:56:29,288 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 01:56:29,288 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 01:56:29,289 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 01:56:29,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 01:56:29,289 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 01:56:29,289 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 01:56:29,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 01:56:29,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 01:56:29,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 01:56:29,289 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 01:56:29,289 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 01:56:29,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 01:56:29,290 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 01:56:29,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 01:56:29,290 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 01:56:29,290 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 01:56:29,290 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 [2024-11-14 01:56:29,538 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 01:56:29,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 01:56:29,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 01:56:29,548 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 01:56:29,550 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 01:56:29,551 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_tso.i [2024-11-14 01:56:30,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 01:56:31,130 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 01:56:31,130 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread-wmm/safe011_tso.i [2024-11-14 01:56:31,149 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/4c33552db/6893d805e640432bbdcc1e3e00af7852/FLAG1d3123bdc [2024-11-14 01:56:31,436 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/4c33552db/6893d805e640432bbdcc1e3e00af7852 [2024-11-14 01:56:31,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 01:56:31,441 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 01:56:31,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 01:56:31,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 01:56:31,447 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 01:56:31,448 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,449 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d66a0f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31, skipping insertion in model container [2024-11-14 01:56:31,449 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 01:56:31,643 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/safe011_tso.i[945,958] [2024-11-14 01:56:31,817 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 01:56:31,826 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 01:56:31,835 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/safe011_tso.i[945,958] [2024-11-14 01:56:31,874 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 01:56:31,912 INFO L204 MainTranslator]: Completed translation [2024-11-14 01:56:31,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31 WrapperNode [2024-11-14 01:56:31,914 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 01:56:31,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 01:56:31,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 01:56:31,915 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 01:56:31,922 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,933 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,952 INFO L138 Inliner]: procedures = 175, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 57 [2024-11-14 01:56:31,953 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 01:56:31,953 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 01:56:31,953 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 01:56:31,953 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 01:56:31,959 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,959 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,968 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,971 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,971 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 01:56:31,977 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 01:56:31,978 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 01:56:31,978 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 01:56:31,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (1/1) ... [2024-11-14 01:56:31,985 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 01:56:31,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:56:32,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 01:56:32,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 01:56:32,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 01:56:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 01:56:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-14 01:56:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-14 01:56:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-14 01:56:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-14 01:56:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-14 01:56:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-14 01:56:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 01:56:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 01:56:32,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 01:56:32,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 01:56:32,028 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 01:56:32,136 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 01:56:32,138 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 01:56:32,305 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 01:56:32,305 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 01:56:32,316 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 01:56:32,316 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 01:56:32,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:56:32 BoogieIcfgContainer [2024-11-14 01:56:32,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 01:56:32,321 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 01:56:32,321 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 01:56:32,326 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 01:56:32,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 01:56:31" (1/3) ... [2024-11-14 01:56:32,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef3c604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:56:32, skipping insertion in model container [2024-11-14 01:56:32,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 01:56:31" (2/3) ... [2024-11-14 01:56:32,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ef3c604 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 01:56:32, skipping insertion in model container [2024-11-14 01:56:32,327 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 01:56:32" (3/3) ... [2024-11-14 01:56:32,329 INFO L112 eAbstractionObserver]: Analyzing ICFG safe011_tso.i [2024-11-14 01:56:32,363 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 01:56:32,364 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG safe011_tso.i that has 4 procedures, 84 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 01:56:32,364 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 01:56:32,430 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 01:56:32,483 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 01:56:32,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 01:56:32,484 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 01:56:32,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 01:56:32,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 01:56:32,569 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 01:56:32,578 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 01:56:32,586 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;@5921b665, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 01:56:32,586 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-14 01:56:33,136 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)] === [2024-11-14 01:56:33,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:56:33,142 INFO L85 PathProgramCache]: Analyzing trace with hash -2028375829, now seen corresponding path program 1 times [2024-11-14 01:56:33,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:56:33,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197999942] [2024-11-14 01:56:33,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:56:33,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:56:33,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:56:33,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:56:33,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:56:33,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197999942] [2024-11-14 01:56:33,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [197999942] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:56:33,352 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:56:33,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 01:56:33,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561806024] [2024-11-14 01:56:33,359 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:56:33,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 01:56:33,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:56:33,389 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 01:56:33,389 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 01:56:33,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:33,391 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:56:33,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 32.5) internal successors, (65), 2 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 01:56:33,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:33,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:33,420 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 01:56:33,421 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)] === [2024-11-14 01:56:33,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:56:33,421 INFO L85 PathProgramCache]: Analyzing trace with hash 325207875, now seen corresponding path program 1 times [2024-11-14 01:56:33,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:56:33,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269546398] [2024-11-14 01:56:33,421 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:56:33,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:56:33,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:56:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:56:33,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:56:33,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269546398] [2024-11-14 01:56:33,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269546398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:56:33,879 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:56:33,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 01:56:33,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804382930] [2024-11-14 01:56:33,880 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:56:33,881 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 01:56:33,881 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:56:33,883 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 01:56:33,883 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 01:56:33,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:33,883 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:56:33,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 01:56:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:33,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:34,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 01:56:34,129 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)] === [2024-11-14 01:56:34,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:56:34,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1352672828, now seen corresponding path program 1 times [2024-11-14 01:56:34,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:56:34,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703841212] [2024-11-14 01:56:34,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:56:34,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:56:34,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:56:34,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:56:34,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:56:34,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703841212] [2024-11-14 01:56:34,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [703841212] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:56:34,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:56:34,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 01:56:34,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811127179] [2024-11-14 01:56:34,377 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:56:34,378 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 01:56:34,378 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:56:34,378 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 01:56:34,378 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-14 01:56:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,378 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:56:34,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 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) [2024-11-14 01:56:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:34,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:34,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-14 01:56:34,538 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-14 01:56:34,539 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)] === [2024-11-14 01:56:34,539 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:56:34,539 INFO L85 PathProgramCache]: Analyzing trace with hash 1387313797, now seen corresponding path program 1 times [2024-11-14 01:56:34,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:56:34,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434030818] [2024-11-14 01:56:34,539 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:56:34,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:56:34,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:56:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:56:34,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:56:34,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434030818] [2024-11-14 01:56:34,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434030818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:56:34,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:56:34,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 01:56:34,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195187779] [2024-11-14 01:56:34,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:56:34,731 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 01:56:34,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:56:34,731 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 01:56:34,731 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-14 01:56:34,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,731 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:56:34,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.5) internal successors, (69), 6 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 01:56:34,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:34,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:34,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-11-14 01:56:34,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:35,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 01:56:35,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:35,515 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-14 01:56:35,516 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)] === [2024-11-14 01:56:35,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 01:56:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash -195132821, now seen corresponding path program 2 times [2024-11-14 01:56:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 01:56:35,517 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643042525] [2024-11-14 01:56:35,517 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 01:56:35,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 01:56:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 01:56:35,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 01:56:35,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 01:56:35,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1643042525] [2024-11-14 01:56:35,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1643042525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 01:56:35,779 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 01:56:35,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-14 01:56:35,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743588331] [2024-11-14 01:56:35,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 01:56:35,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-14 01:56:35,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 01:56:35,781 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-14 01:56:35,781 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-11-14 01:56:35,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:35,782 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 01:56:35,783 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-14 01:56:35,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:35,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:35,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-11-14 01:56:35,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:35,783 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:36,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 01:56:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-14 01:56:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 01:56:36,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 01:56:36,416 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-11-14 01:56:36,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-11-14 01:56:36,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-11-14 01:56:36,417 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-11-14 01:56:36,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-14 01:56:36,421 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-11-14 01:56:36,423 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 01:56:36,423 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 01:56:36,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 01:56:36,446 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 01:56:36 BasicIcfg [2024-11-14 01:56:36,446 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 01:56:36,447 INFO L158 Benchmark]: Toolchain (without parser) took 5006.44ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 55.0MB in the beginning and 75.2MB in the end (delta: -20.2MB). Peak memory consumption was 79.5MB. Max. memory is 8.0GB. [2024-11-14 01:56:36,448 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 01:56:36,448 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.09ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 34.6MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-14 01:56:36,448 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.37ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 33.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 01:56:36,448 INFO L158 Benchmark]: Boogie Preprocessor took 23.61ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 32.0MB in the end (delta: 846.4kB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 01:56:36,448 INFO L158 Benchmark]: RCFGBuilder took 339.27ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 19.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 01:56:36,449 INFO L158 Benchmark]: TraceAbstraction took 4125.77ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 19.3MB in the beginning and 75.2MB in the end (delta: -56.0MB). Peak memory consumption was 50.2MB. Max. memory is 8.0GB. [2024-11-14 01:56:36,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory is still 36.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 472.09ms. Allocated memory is still 83.9MB. Free memory was 54.8MB in the beginning and 34.6MB in the end (delta: 20.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.37ms. Allocated memory is still 83.9MB. Free memory was 34.6MB in the beginning and 33.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 23.61ms. Allocated memory is still 83.9MB. Free memory was 32.8MB in the beginning and 32.0MB in the end (delta: 846.4kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 339.27ms. Allocated memory is still 83.9MB. Free memory was 32.0MB in the beginning and 19.9MB in the end (delta: 12.1MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 4125.77ms. Allocated memory was 83.9MB in the beginning and 125.8MB in the end (delta: 41.9MB). Free memory was 19.3MB in the beginning and 75.2MB in the end (delta: -56.0MB). Peak memory consumption was 50.2MB. 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: 23968, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 471, dependent conditional: 450, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23882, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 385, dependent conditional: 364, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23882, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 385, dependent conditional: 364, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25414, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 1917, dependent conditional: 1896, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25414, independent: 23497, independent conditional: 343, independent unconditional: 23154, dependent: 1917, dependent conditional: 93, dependent unconditional: 1824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25414, independent: 23497, independent conditional: 343, independent unconditional: 23154, dependent: 1917, dependent conditional: 93, dependent unconditional: 1824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1527, independent: 1502, independent conditional: 10, independent unconditional: 1492, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1527, independent: 1484, independent conditional: 0, independent unconditional: 1484, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 787, independent: 259, independent conditional: 152, independent unconditional: 107, dependent: 528, dependent conditional: 61, dependent unconditional: 466, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 25414, independent: 21995, independent conditional: 333, independent unconditional: 21662, dependent: 1892, dependent conditional: 89, dependent unconditional: 1803, unknown: 1527, unknown conditional: 14, unknown unconditional: 1513] , Statistics on independence cache: Total cache size (in pairs): 1527, Positive cache size: 1502, Positive conditional cache size: 10, Positive unconditional cache size: 1492, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23465, Maximal queried relation: 4, Independence queries for same thread: 86, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 1959, Number of trivial persistent sets: 630, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1513, independent: 1492, independent conditional: 0, independent unconditional: 1492, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23968, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 471, dependent conditional: 450, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23882, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 385, dependent conditional: 364, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 23882, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 385, dependent conditional: 364, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25414, independent: 23497, independent conditional: 22005, independent unconditional: 1492, dependent: 1917, dependent conditional: 1896, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 25414, independent: 23497, independent conditional: 343, independent unconditional: 23154, dependent: 1917, dependent conditional: 93, dependent unconditional: 1824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 25414, independent: 23497, independent conditional: 343, independent unconditional: 23154, dependent: 1917, dependent conditional: 93, dependent unconditional: 1824, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1527, independent: 1502, independent conditional: 10, independent unconditional: 1492, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1527, independent: 1484, independent conditional: 0, independent unconditional: 1484, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 18, independent conditional: 10, independent unconditional: 8, dependent: 25, dependent conditional: 4, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 787, independent: 259, independent conditional: 152, independent unconditional: 107, dependent: 528, dependent conditional: 61, dependent unconditional: 466, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 25414, independent: 21995, independent conditional: 333, independent unconditional: 21662, dependent: 1892, dependent conditional: 89, dependent unconditional: 1803, unknown: 1527, unknown conditional: 14, unknown unconditional: 1513] , Statistics on independence cache: Total cache size (in pairs): 1527, Positive cache size: 1502, Positive conditional cache size: 10, Positive unconditional cache size: 1492, Negative cache size: 25, Negative conditional cache size: 4, Negative unconditional cache size: 21, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 23465, Maximal queried relation: 4, Independence queries for same thread: 86 - 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, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 3.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 2.4s, 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: 39, 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, 1.1s InterpolantComputationTime, 333 NumberOfCodeBlocks, 333 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 328 ConstructedInterpolants, 0 QuantifiedInterpolants, 836 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! [2024-11-14 01:56:36,479 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...