/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/pthread/triangular-longer-1.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 08:21:33,502 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 08:21:33,558 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 08:21:33,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 08:21:33,564 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 08:21:33,581 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 08:21:33,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 08:21:33,582 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 08:21:33,582 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 08:21:33,582 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 08:21:33,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 08:21:33,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 08:21:33,582 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 08:21:33,582 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 08:21:33,582 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 08:21:33,582 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 08:21:33,583 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 08:21:33,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 08:21:33,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 08:21:33,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 08:21:33,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 08:21:33,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 08:21:33,584 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 08:21:33,584 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 08:21:33,584 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 08:21:33,584 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 08:21:33,784 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 08:21:33,790 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 08:21:33,792 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 08:21:33,792 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 08:21:33,794 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 08:21:33,795 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-longer-1.i [2024-11-14 08:21:34,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 08:21:35,115 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 08:21:35,116 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/pthread/triangular-longer-1.i [2024-11-14 08:21:35,136 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0b7eb1704/7b013c0b2d2f495982a1062ddedd01f2/FLAGcba92ffda [2024-11-14 08:21:35,471 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/0b7eb1704/7b013c0b2d2f495982a1062ddedd01f2 [2024-11-14 08:21:35,473 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 08:21:35,474 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 08:21:35,475 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 08:21:35,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 08:21:35,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 08:21:35,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,479 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b23b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35, skipping insertion in model container [2024-11-14 08:21:35,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 08:21:35,684 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/triangular-longer-1.i[30961,30974] [2024-11-14 08:21:35,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 08:21:35,695 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 08:21:35,726 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/triangular-longer-1.i[30961,30974] [2024-11-14 08:21:35,727 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 08:21:35,749 INFO L204 MainTranslator]: Completed translation [2024-11-14 08:21:35,750 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35 WrapperNode [2024-11-14 08:21:35,750 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 08:21:35,751 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 08:21:35,751 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 08:21:35,751 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 08:21:35,755 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,763 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,776 INFO L138 Inliner]: procedures = 168, calls = 16, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 37 [2024-11-14 08:21:35,776 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 08:21:35,777 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 08:21:35,777 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 08:21:35,777 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 08:21:35,782 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,787 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,787 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,794 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,803 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 08:21:35,804 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 08:21:35,804 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 08:21:35,804 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 08:21:35,809 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (1/1) ... [2024-11-14 08:21:35,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 08:21:35,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:35,834 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 08:21:35,837 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 08:21:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-11-14 08:21:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-11-14 08:21:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-11-14 08:21:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-11-14 08:21:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-14 08:21:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 08:21:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 08:21:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-14 08:21:35,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 08:21:35,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 08:21:35,855 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 08:21:35,946 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 08:21:35,947 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 08:21:36,049 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 08:21:36,050 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 08:21:36,057 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 08:21:36,058 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-14 08:21:36,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:21:36 BoogieIcfgContainer [2024-11-14 08:21:36,060 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 08:21:36,062 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 08:21:36,062 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 08:21:36,066 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 08:21:36,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 08:21:35" (1/3) ... [2024-11-14 08:21:36,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5cf33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:21:36, skipping insertion in model container [2024-11-14 08:21:36,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 08:21:35" (2/3) ... [2024-11-14 08:21:36,067 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e5cf33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 08:21:36, skipping insertion in model container [2024-11-14 08:21:36,067 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 08:21:36" (3/3) ... [2024-11-14 08:21:36,068 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-longer-1.i [2024-11-14 08:21:36,081 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 08:21:36,082 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG triangular-longer-1.i that has 3 procedures, 60 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-14 08:21:36,083 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 08:21:36,128 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-14 08:21:36,160 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 08:21:36,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 08:21:36,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:36,163 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 08:21:36,164 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 08:21:36,232 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 08:21:36,241 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-14 08:21:36,246 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;@59c8e87c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 08:21:36,246 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-11-14 08:21:36,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:36,455 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:36,456 INFO L85 PathProgramCache]: Analyzing trace with hash 515477847, now seen corresponding path program 1 times [2024-11-14 08:21:36,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:36,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113433131] [2024-11-14 08:21:36,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:36,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:36,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:36,875 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 08:21:36,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:36,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113433131] [2024-11-14 08:21:36,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113433131] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:21:36,876 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 08:21:36,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-14 08:21:36,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752632729] [2024-11-14 08:21:36,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:21:36,880 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-14 08:21:36,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:36,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-14 08:21:36,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-14 08:21:36,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:36,893 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:36,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 08:21:36,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:37,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:37,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 08:21:37,032 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:37,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:37,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1285008555, now seen corresponding path program 1 times [2024-11-14 08:21:37,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:37,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696398958] [2024-11-14 08:21:37,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:37,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:37,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:37,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696398958] [2024-11-14 08:21:37,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696398958] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:37,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431132180] [2024-11-14 08:21:37,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:37,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:37,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:37,241 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:37,243 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-14 08:21:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:37,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 08:21:37,322 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:37,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:37,498 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:21:37,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:37,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431132180] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:21:37,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:21:37,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-14 08:21:37,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938183216] [2024-11-14 08:21:37,705 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:21:37,705 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-14 08:21:37,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:37,706 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-14 08:21:37,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2024-11-14 08:21:37,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:37,706 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:37,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.428571428571429) internal successors, (104), 14 states have internal predecessors, (104), 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 08:21:37,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:37,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:37,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 08:21:37,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-14 08:21:38,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:38,089 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:38,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:38,089 INFO L85 PathProgramCache]: Analyzing trace with hash 231594067, now seen corresponding path program 2 times [2024-11-14 08:21:38,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:38,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447064780] [2024-11-14 08:21:38,089 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:38,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:38,352 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:38,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:38,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447064780] [2024-11-14 08:21:38,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447064780] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:38,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128065454] [2024-11-14 08:21:38,352 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 08:21:38,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:38,353 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:38,355 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:38,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-14 08:21:38,418 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 08:21:38,418 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:21:38,419 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-14 08:21:38,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:38,596 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:38,596 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:21:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:38,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128065454] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:21:38,863 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:21:38,863 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 22 [2024-11-14 08:21:38,863 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853249327] [2024-11-14 08:21:38,863 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:21:38,864 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-14 08:21:38,864 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:38,864 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-14 08:21:38,864 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2024-11-14 08:21:38,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:38,865 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:38,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.545454545454546) internal successors, (144), 22 states have internal predecessors, (144), 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 08:21:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 08:21:38,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 08:21:39,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 08:21:39,199 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-14 08:21:39,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:39,388 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:39,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:39,401 INFO L85 PathProgramCache]: Analyzing trace with hash 288162723, now seen corresponding path program 3 times [2024-11-14 08:21:39,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:39,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126441346] [2024-11-14 08:21:39,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:39,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:39,794 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:39,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:39,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126441346] [2024-11-14 08:21:39,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126441346] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:39,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1282992026] [2024-11-14 08:21:39,794 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-14 08:21:39,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:39,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:39,797 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:39,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-14 08:21:39,863 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-11-14 08:21:39,863 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:21:39,864 INFO L256 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-14 08:21:39,867 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:40,135 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:40,135 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:21:40,484 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:40,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1282992026] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:21:40,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:21:40,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 29 [2024-11-14 08:21:40,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083264172] [2024-11-14 08:21:40,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:21:40,485 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-11-14 08:21:40,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:40,486 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-11-14 08:21:40,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=639, Unknown=0, NotChecked=0, Total=812 [2024-11-14 08:21:40,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:40,487 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:40,487 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 6.379310344827586) internal successors, (185), 29 states have internal predecessors, (185), 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 08:21:40,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:40,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 08:21:40,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-14 08:21:40,487 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:40,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-14 08:21:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-14 08:21:40,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-11-14 08:21:40,991 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-14 08:21:41,182 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:41,183 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:41,183 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:41,184 INFO L85 PathProgramCache]: Analyzing trace with hash -489513229, now seen corresponding path program 4 times [2024-11-14 08:21:41,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:41,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1911008643] [2024-11-14 08:21:41,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:41,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:41,606 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 484 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:41,606 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:41,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1911008643] [2024-11-14 08:21:41,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1911008643] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:41,606 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204541637] [2024-11-14 08:21:41,606 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-14 08:21:41,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:41,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:41,608 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:41,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-14 08:21:41,681 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-14 08:21:41,681 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:21:41,682 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-14 08:21:41,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:41,818 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 511 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:41,818 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-14 08:21:41,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204541637] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 08:21:41,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-14 08:21:41,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [23] total 25 [2024-11-14 08:21:41,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325487954] [2024-11-14 08:21:41,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 08:21:41,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-14 08:21:41,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:41,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-14 08:21:41,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=451, Unknown=0, NotChecked=0, Total=600 [2024-11-14 08:21:41,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:41,820 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:41,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.260869565217392) internal successors, (144), 23 states have internal predecessors, (144), 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 08:21:41,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:41,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-11-14 08:21:41,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-11-14 08:21:41,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-11-14 08:21:41,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:42,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:43,008 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-14 08:21:43,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:43,197 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:43,197 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:43,197 INFO L85 PathProgramCache]: Analyzing trace with hash 2003981222, now seen corresponding path program 5 times [2024-11-14 08:21:43,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:43,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269178485] [2024-11-14 08:21:43,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:43,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:43,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:43,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:43,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269178485] [2024-11-14 08:21:43,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269178485] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:43,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1027807391] [2024-11-14 08:21:43,279 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-14 08:21:43,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:43,280 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:43,282 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:43,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-14 08:21:43,323 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 08:21:43,323 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:21:43,324 INFO L256 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-14 08:21:43,325 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:43,388 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:43,388 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:21:43,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:43,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1027807391] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:21:43,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:21:43,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-11-14 08:21:43,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822128610] [2024-11-14 08:21:43,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:21:43,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-14 08:21:43,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:43,451 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-14 08:21:43,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-11-14 08:21:43,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:43,452 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:43,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 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 08:21:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:43,452 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:43,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 08:21:44,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-14 08:21:44,195 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-14 08:21:44,200 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:44,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:44,253 INFO L85 PathProgramCache]: Analyzing trace with hash -172902199, now seen corresponding path program 1 times [2024-11-14 08:21:44,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-11-14 08:21:44,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694846031] [2024-11-14 08:21:44,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:44,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:44,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:44,378 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-11-14 08:21:44,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694846031] [2024-11-14 08:21:44,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694846031] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:44,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [239497479] [2024-11-14 08:21:44,378 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:44,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:44,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:44,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-14 08:21:44,397 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:44,478 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:44,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [239497479] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:44,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-14 08:21:44,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 11 [2024-11-14 08:21:44,478 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:44,478 INFO L85 PathProgramCache]: Analyzing trace with hash -809321878, now seen corresponding path program 6 times [2024-11-14 08:21:44,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:44,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250737587] [2024-11-14 08:21:44,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:44,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:44,618 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:44,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:44,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250737587] [2024-11-14 08:21:44,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250737587] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:44,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164908425] [2024-11-14 08:21:44,618 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-14 08:21:44,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:44,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:44,621 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:44,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-14 08:21:44,672 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-11-14 08:21:44,672 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:21:44,673 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-14 08:21:44,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:44,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:21:44,947 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:44,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164908425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:21:44,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:21:44,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 26 [2024-11-14 08:21:44,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161252901] [2024-11-14 08:21:44,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:21:44,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-14 08:21:44,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:44,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-14 08:21:44,950 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=148, Invalid=502, Unknown=0, NotChecked=0, Total=650 [2024-11-14 08:21:44,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:44,950 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:44,950 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.576923076923077) internal successors, (145), 26 states have internal predecessors, (145), 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 08:21:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-14 08:21:44,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:46,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 08:21:46,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-14 08:21:46,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-14 08:21:46,547 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:46,547 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:46,547 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:46,548 INFO L85 PathProgramCache]: Analyzing trace with hash 685764419, now seen corresponding path program 7 times [2024-11-14 08:21:46,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:46,548 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309151733] [2024-11-14 08:21:46,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:46,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:46,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:46,895 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:46,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:46,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309151733] [2024-11-14 08:21:46,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309151733] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:46,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295679409] [2024-11-14 08:21:46,895 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-14 08:21:46,895 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:46,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:46,898 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:46,899 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-14 08:21:46,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:46,958 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-14 08:21:46,960 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:47,119 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:47,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:21:47,475 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:47,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295679409] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:21:47,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:21:47,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 45 [2024-11-14 08:21:47,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540842014] [2024-11-14 08:21:47,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:21:47,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-11-14 08:21:47,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:47,477 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-11-14 08:21:47,477 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=436, Invalid=1544, Unknown=0, NotChecked=0, Total=1980 [2024-11-14 08:21:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:47,478 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:47,478 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 5.466666666666667) internal successors, (246), 45 states have internal predecessors, (246), 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 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-14 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-14 08:21:47,478 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 08:21:49,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-14 08:21:49,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 08:21:49,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-14 08:21:49,532 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:49,532 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-11-14 08:21:49,532 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 08:21:49,532 INFO L85 PathProgramCache]: Analyzing trace with hash -473859645, now seen corresponding path program 8 times [2024-11-14 08:21:49,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 08:21:49,533 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882428366] [2024-11-14 08:21:49,533 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 08:21:49,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 08:21:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 08:21:49,933 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:49,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 08:21:49,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882428366] [2024-11-14 08:21:49,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882428366] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-14 08:21:49,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226944222] [2024-11-14 08:21:49,933 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-14 08:21:49,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:49,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 08:21:49,935 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-14 08:21:49,937 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-14 08:21:49,992 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-14 08:21:49,993 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-14 08:21:49,994 INFO L256 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-11-14 08:21:49,996 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-14 08:21:50,145 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:50,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-14 08:21:50,440 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 08:21:50,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226944222] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-14 08:21:50,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-14 08:21:50,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 47 [2024-11-14 08:21:50,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183226805] [2024-11-14 08:21:50,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-14 08:21:50,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2024-11-14 08:21:50,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 08:21:50,441 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2024-11-14 08:21:50,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=480, Invalid=1682, Unknown=0, NotChecked=0, Total=2162 [2024-11-14 08:21:50,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:50,442 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 08:21:50,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 5.297872340425532) internal successors, (249), 47 states have internal predecessors, (249), 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 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-11-14 08:21:50,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2024-11-14 08:21:52,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-11-14 08:21:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-14 08:21:52,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-11-14 08:21:52,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-11-14 08:21:52,265 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-11-14 08:21:52,278 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-14 08:21:52,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-14 08:21:52,472 INFO L422 BasicCegarLoop]: Path program histogram: [8, 1, 1] [2024-11-14 08:21:52,474 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 08:21:52,474 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 08:21:52,493 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 08:21:52,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 08:21:52 BasicIcfg [2024-11-14 08:21:52,493 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 08:21:52,494 INFO L158 Benchmark]: Toolchain (without parser) took 17020.06ms. Allocated memory was 100.7MB in the beginning and 436.2MB in the end (delta: 335.5MB). Free memory was 71.5MB in the beginning and 329.1MB in the end (delta: -257.6MB). Peak memory consumption was 271.2MB. Max. memory is 8.0GB. [2024-11-14 08:21:52,494 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 08:21:52,495 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.94ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 51.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-11-14 08:21:52,495 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.48ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 50.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 08:21:52,495 INFO L158 Benchmark]: Boogie Preprocessor took 26.38ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 49.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 08:21:52,495 INFO L158 Benchmark]: RCFGBuilder took 256.20ms. Allocated memory is still 100.7MB. Free memory was 49.5MB in the beginning and 38.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2024-11-14 08:21:52,496 INFO L158 Benchmark]: TraceAbstraction took 16431.13ms. Allocated memory was 100.7MB in the beginning and 436.2MB in the end (delta: 335.5MB). Free memory was 37.6MB in the beginning and 329.1MB in the end (delta: -291.5MB). Peak memory consumption was 237.6MB. Max. memory is 8.0GB. [2024-11-14 08:21:52,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 100.7MB. Free memory is still 52.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 275.94ms. Allocated memory is still 100.7MB. Free memory was 71.5MB in the beginning and 51.8MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.48ms. Allocated memory is still 100.7MB. Free memory was 51.8MB in the beginning and 50.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.38ms. Allocated memory is still 100.7MB. Free memory was 50.5MB in the beginning and 49.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 256.20ms. Allocated memory is still 100.7MB. Free memory was 49.5MB in the beginning and 38.2MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 16431.13ms. Allocated memory was 100.7MB in the beginning and 436.2MB in the end (delta: 335.5MB). Free memory was 37.6MB in the beginning and 329.1MB in the end (delta: -291.5MB). Peak memory consumption was 237.6MB. 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: 297183, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 36132, dependent conditional: 36125, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 263731, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 2680, dependent conditional: 2673, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 263731, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 2680, dependent conditional: 2673, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 291789, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 30738, dependent conditional: 30731, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 291789, independent: 261051, independent conditional: 12702, independent unconditional: 248349, dependent: 30738, dependent conditional: 11173, dependent unconditional: 19565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291789, independent: 261051, independent conditional: 12702, independent unconditional: 248349, dependent: 30738, dependent conditional: 11173, dependent unconditional: 19565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1481, independent: 1113, independent conditional: 152, independent unconditional: 961, dependent: 368, dependent conditional: 361, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1481, independent: 959, independent conditional: 0, independent unconditional: 959, dependent: 522, dependent conditional: 0, dependent unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 522, independent: 154, independent conditional: 152, independent unconditional: 2, dependent: 368, dependent conditional: 361, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 522, independent: 154, independent conditional: 152, independent unconditional: 2, dependent: 368, dependent conditional: 361, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2701, independent: 1258, independent conditional: 1194, independent unconditional: 64, dependent: 1443, dependent conditional: 1317, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Protected Queries: 0 ], Cache Queries: [ total: 291789, independent: 259938, independent conditional: 12550, independent unconditional: 247388, dependent: 30370, dependent conditional: 10812, dependent unconditional: 19558, unknown: 1481, unknown conditional: 513, unknown unconditional: 968] , Statistics on independence cache: Total cache size (in pairs): 1481, Positive cache size: 1113, Positive conditional cache size: 152, Positive unconditional cache size: 961, Negative cache size: 368, Negative conditional cache size: 361, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 266827, Maximal queried relation: 9, Independence queries for same thread: 33452, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 243, Number of trivial persistent sets: 170, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1087, independent: 1080, independent conditional: 0, independent unconditional: 1080, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 297183, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 36132, dependent conditional: 36125, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 263731, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 2680, dependent conditional: 2673, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 263731, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 2680, dependent conditional: 2673, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 291789, independent: 261051, independent conditional: 259971, independent unconditional: 1080, dependent: 30738, dependent conditional: 30731, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 291789, independent: 261051, independent conditional: 12702, independent unconditional: 248349, dependent: 30738, dependent conditional: 11173, dependent unconditional: 19565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 291789, independent: 261051, independent conditional: 12702, independent unconditional: 248349, dependent: 30738, dependent conditional: 11173, dependent unconditional: 19565, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1481, independent: 1113, independent conditional: 152, independent unconditional: 961, dependent: 368, dependent conditional: 361, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1481, independent: 959, independent conditional: 0, independent unconditional: 959, dependent: 522, dependent conditional: 0, dependent unconditional: 522, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 522, independent: 154, independent conditional: 152, independent unconditional: 2, dependent: 368, dependent conditional: 361, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 522, independent: 154, independent conditional: 152, independent unconditional: 2, dependent: 368, dependent conditional: 361, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2701, independent: 1258, independent conditional: 1194, independent unconditional: 64, dependent: 1443, dependent conditional: 1317, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 1, Protected Queries: 0 ], Cache Queries: [ total: 291789, independent: 259938, independent conditional: 12550, independent unconditional: 247388, dependent: 30370, dependent conditional: 10812, dependent unconditional: 19558, unknown: 1481, unknown conditional: 513, unknown unconditional: 968] , Statistics on independence cache: Total cache size (in pairs): 1481, Positive cache size: 1113, Positive conditional cache size: 152, Positive unconditional cache size: 961, Negative cache size: 368, Negative conditional cache size: 361, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 266827, Maximal queried relation: 9, Independence queries for same thread: 33452 - PositiveResult [Line: 722]: 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 5 procedures, 84 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 8.1s, 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: 253, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 1502 NumberOfCodeBlocks, 1498 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 2068 ConstructedInterpolants, 0 QuantifiedInterpolants, 8226 SizeOfPredicates, 103 NumberOfNonLiveVariables, 1408 ConjunctsInSsa, 140 ConjunctsInUnsatCore, 24 InterpolantComputations, 2 PerfectInterpolantSequences, 995/3842 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: 0.3s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 36, TraceChecks: 1, UnknownTraceChecks: 0, ImperfectProofs: 1, 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 08:21:52,518 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...