/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 SUFFICIENT_WITH_CONTEXT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 10:14:44,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 10:14:44,251 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 10:14:44,254 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 10:14:44,254 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 10:14:44,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 10:14:44,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 10:14:44,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 10:14:44,269 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 10:14:44,269 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 10:14:44,270 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 10:14:44,270 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 10:14:44,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 10:14:44,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 10:14:44,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 10:14:44,271 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 10:14:44,271 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 -> SUFFICIENT_WITH_CONTEXT [2024-11-14 10:14:44,510 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 10:14:44,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 10:14:44,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 10:14:44,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 10:14:44,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 10:14:44,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2024-11-14 10:14:45,668 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 10:14:45,890 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 10:14:45,891 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c [2024-11-14 10:14:45,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/93b9f5d09/ae872d99d2f44d4cb0f829728be49421/FLAGc47fe0f06 [2024-11-14 10:14:46,251 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/93b9f5d09/ae872d99d2f44d4cb0f829728be49421 [2024-11-14 10:14:46,254 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 10:14:46,255 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 10:14:46,256 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 10:14:46,256 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 10:14:46,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 10:14:46,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,260 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28ed9285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46, skipping insertion in model container [2024-11-14 10:14:46,260 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 10:14:46,391 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[3000,3013] [2024-11-14 10:14:46,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 10:14:46,411 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 10:14:46,429 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/weaver/parallel-ticket-6.wvr.c[3000,3013] [2024-11-14 10:14:46,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 10:14:46,441 INFO L204 MainTranslator]: Completed translation [2024-11-14 10:14:46,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46 WrapperNode [2024-11-14 10:14:46,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 10:14:46,443 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 10:14:46,443 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 10:14:46,443 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 10:14:46,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,456 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,483 INFO L138 Inliner]: procedures = 22, calls = 20, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 236 [2024-11-14 10:14:46,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 10:14:46,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 10:14:46,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 10:14:46,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 10:14:46,493 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,495 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,495 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,502 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,508 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,513 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,513 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,515 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 10:14:46,516 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 10:14:46,516 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 10:14:46,516 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 10:14:46,518 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (1/1) ... [2024-11-14 10:14:46,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 10:14:46,538 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:14:46,551 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 10:14:46,554 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 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-14 10:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-14 10:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-14 10:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-11-14 10:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2024-11-14 10:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2024-11-14 10:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2024-11-14 10:14:46,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 10:14:46,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 10:14:46,577 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 10:14:46,668 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 10:14:46,669 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 10:14:46,954 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 10:14:46,954 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 10:14:46,973 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 10:14:46,973 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-14 10:14:46,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:14:46 BoogieIcfgContainer [2024-11-14 10:14:46,973 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 10:14:46,975 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 10:14:46,975 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 10:14:46,978 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 10:14:46,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 10:14:46" (1/3) ... [2024-11-14 10:14:46,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e599809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:14:46, skipping insertion in model container [2024-11-14 10:14:46,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 10:14:46" (2/3) ... [2024-11-14 10:14:46,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e599809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 10:14:46, skipping insertion in model container [2024-11-14 10:14:46,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 10:14:46" (3/3) ... [2024-11-14 10:14:46,981 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-6.wvr.c [2024-11-14 10:14:46,997 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 10:14:46,999 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG parallel-ticket-6.wvr.c that has 7 procedures, 235 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2024-11-14 10:14:46,999 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 10:14:47,095 INFO L143 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-11-14 10:14:47,155 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 10:14:47,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 10:14:47,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 10:14:47,157 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 10:14:47,158 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 10:14:47,237 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 10:14:47,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 10:14:47,256 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;@482cf640, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 10:14:47,256 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-11-14 10:14:48,179 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 4 more)] === [2024-11-14 10:14:48,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:14:48,183 INFO L85 PathProgramCache]: Analyzing trace with hash -182057848, now seen corresponding path program 1 times [2024-11-14 10:14:48,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:14:48,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665889690] [2024-11-14 10:14:48,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:14:48,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:14:48,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:14:48,404 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 10:14:48,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:14:48,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665889690] [2024-11-14 10:14:48,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1665889690] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:14:48,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:14:48,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 10:14:48,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718420748] [2024-11-14 10:14:48,408 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:14:48,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 10:14:48,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:14:48,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 10:14:48,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 10:14:48,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:14:48,426 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:14:48,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 111.5) internal successors, (223), 2 states have internal predecessors, (223), 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 10:14:48,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:16:07,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:16:07,073 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 10:16:07,073 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 4 more)] === [2024-11-14 10:16:07,074 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 10:16:07,074 INFO L85 PathProgramCache]: Analyzing trace with hash -330914306, now seen corresponding path program 1 times [2024-11-14 10:16:07,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 10:16:07,074 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050530130] [2024-11-14 10:16:07,074 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 10:16:07,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 10:16:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 10:16:07,667 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 10:16:07,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 10:16:07,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050530130] [2024-11-14 10:16:07,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050530130] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 10:16:07,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 10:16:07,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-14 10:16:07,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114146377] [2024-11-14 10:16:07,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 10:16:07,669 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-14 10:16:07,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 10:16:07,670 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-14 10:16:07,670 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-14 10:16:07,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:16:07,677 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 10:16:07,678 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 71.66666666666667) internal successors, (215), 3 states have internal predecessors, (215), 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 10:16:07,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 10:16:07,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.