/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-1c4755c-m [2024-12-17 00:50:47,163 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-17 00:50:47,210 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2024-12-17 00:50:47,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-17 00:50:47,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-17 00:50:47,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-17 00:50:47,230 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-17 00:50:47,230 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-17 00:50:47,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-17 00:50:47,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * Use SBE=true [2024-12-17 00:50:47,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-17 00:50:47,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-17 00:50:47,232 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 00:50:47,232 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-17 00:50:47,232 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-17 00:50:47,233 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-12-17 00:50:47,233 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-17 00:50:47,233 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-17 00:50:47,233 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-12-17 00:50:47,233 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-12-17 00:50:47,233 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-12-17 00:50:47,233 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2024-12-17 00:50:47,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-17 00:50:47,430 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-17 00:50:47,431 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-17 00:50:47,433 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2024-12-17 00:50:47,434 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2024-12-17 00:50:47,435 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl [2024-12-17 00:50:47,436 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/mult-4.wvr.bpl' [2024-12-17 00:50:47,457 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-17 00:50:47,458 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2024-12-17 00:50:47,459 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-17 00:50:47,459 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-17 00:50:47,459 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-17 00:50:47,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,470 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,476 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2024-12-17 00:50:47,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-17 00:50:47,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-17 00:50:47,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-17 00:50:47,479 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-17 00:50:47,483 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,484 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,485 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,485 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,487 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,488 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,491 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,491 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-17 00:50:47,494 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-17 00:50:47,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-17 00:50:47,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-17 00:50:47,495 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/1) ... [2024-12-17 00:50:47,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-12-17 00:50:47,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:50:47,527 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) [2024-12-17 00:50:47,537 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 [2024-12-17 00:50:47,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2024-12-17 00:50:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-12-17 00:50:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-12-17 00:50:47,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2024-12-17 00:50:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-12-17 00:50:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-12-17 00:50:47,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2024-12-17 00:50:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-17 00:50:47,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-17 00:50:47,558 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2024-12-17 00:50:47,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-12-17 00:50:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-12-17 00:50:47,559 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2024-12-17 00:50:47,559 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-12-17 00:50:47,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-12-17 00:50:47,560 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-12-17 00:50:47,597 INFO L234 CfgBuilder]: Building ICFG [2024-12-17 00:50:47,599 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-17 00:50:47,678 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-12-17 00:50:47,678 INFO L283 CfgBuilder]: Performing block encoding [2024-12-17 00:50:47,727 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-17 00:50:47,727 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-17 00:50:47,728 INFO L201 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 12:50:47 BoogieIcfgContainer [2024-12-17 00:50:47,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-17 00:50:47,729 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-17 00:50:47,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-17 00:50:47,734 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-17 00:50:47,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 17.12 12:50:47" (1/2) ... [2024-12-17 00:50:47,736 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c57ea44 and model type mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.12 12:50:47, skipping insertion in model container [2024-12-17 00:50:47,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.12 12:50:47" (2/2) ... [2024-12-17 00:50:47,737 INFO L128 eAbstractionObserver]: Analyzing ICFG mult-4.wvr.bpl [2024-12-17 00:50:47,748 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-17 00:50:47,752 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mult-4.wvr.bpl that has 5 procedures, 25 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2024-12-17 00:50:47,752 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-12-17 00:50:47,798 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-12-17 00:50:47,840 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 00:50:47,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-12-17 00:50:47,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:50:47,843 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) [2024-12-17 00:50:47,844 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 [2024-12-17 00:50:47,887 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-12-17 00:50:47,905 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-12-17 00:50:47,911 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;@5221ece7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-17 00:50:47,911 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-12-17 00:50:48,323 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:50:48,323 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:50:48,324 INFO L139 ounterexampleChecker]: Examining path program with hash 1419937161, occurence #1 [2024-12-17 00:50:48,324 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:50:48,324 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:50:48,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:50:48,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1793730955, now seen corresponding path program 1 times [2024-12-17 00:50:48,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:50:48,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650479828] [2024-12-17 00:50:48,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 00:50:48,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:50:48,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:50:49,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 00:50:49,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:50:49,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650479828] [2024-12-17 00:50:49,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650479828] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 00:50:49,351 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 00:50:49,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-17 00:50:49,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754466135] [2024-12-17 00:50:49,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 00:50:49,358 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-17 00:50:49,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:50:49,375 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-17 00:50:49,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2024-12-17 00:50:49,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:50:49,378 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:50:49,379 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.1875) internal successors, (51), 15 states have internal predecessors, (51), 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) [2024-12-17 00:50:49,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:50:50,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-12-17 00:50:50,037 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-17 00:50:50,037 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:50:50,037 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:50:50,037 INFO L139 ounterexampleChecker]: Examining path program with hash -1131062044, occurence #1 [2024-12-17 00:50:50,037 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:50:50,037 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:50:50,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:50:50,038 INFO L85 PathProgramCache]: Analyzing trace with hash 854413755, now seen corresponding path program 2 times [2024-12-17 00:50:50,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:50:50,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138370613] [2024-12-17 00:50:50,038 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 00:50:50,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:50:50,058 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 00:50:50,058 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:50:50,501 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 00:50:50,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:50:50,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138370613] [2024-12-17 00:50:50,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138370613] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:50:50,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1402428744] [2024-12-17 00:50:50,502 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 00:50:50,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:50:50,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:50:50,505 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) [2024-12-17 00:50:50,506 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 [2024-12-17 00:50:50,546 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 00:50:50,546 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:50:50,547 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-17 00:50:50,549 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:50:50,667 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 00:50:50,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:50:50,850 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-17 00:50:50,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1402428744] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:50:50,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:50:50,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 6] total 26 [2024-12-17 00:50:50,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804835728] [2024-12-17 00:50:50,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:50:50,855 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-17 00:50:50,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:50:50,856 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-17 00:50:50,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=594, Unknown=0, NotChecked=0, Total=702 [2024-12-17 00:50:50,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:50:50,857 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:50:50,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 3.814814814814815) internal successors, (103), 26 states have internal predecessors, (103), 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) [2024-12-17 00:50:50,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-12-17 00:50:50,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:50:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:50:51,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-17 00:50:51,801 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-17 00:50:51,999 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 [2024-12-17 00:50:52,000 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:50:52,000 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:50:52,000 INFO L139 ounterexampleChecker]: Examining path program with hash -1418883231, occurence #1 [2024-12-17 00:50:52,000 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:50:52,000 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:50:52,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:50:52,000 INFO L85 PathProgramCache]: Analyzing trace with hash -746895493, now seen corresponding path program 3 times [2024-12-17 00:50:52,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:50:52,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306390108] [2024-12-17 00:50:52,001 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 00:50:52,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:50:52,034 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 00:50:52,034 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:50:52,190 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-17 00:50:52,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:50:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306390108] [2024-12-17 00:50:52,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306390108] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:50:52,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1346207090] [2024-12-17 00:50:52,191 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 00:50:52,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:50:52,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:50:52,196 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) [2024-12-17 00:50:52,196 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 [2024-12-17 00:50:52,253 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-12-17 00:50:52,254 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:50:52,255 INFO L256 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-17 00:50:52,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:50:52,312 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-17 00:50:52,312 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:50:52,402 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 8 proven. 14 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-12-17 00:50:52,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1346207090] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:50:52,403 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:50:52,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2024-12-17 00:50:52,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684232499] [2024-12-17 00:50:52,403 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:50:52,403 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-17 00:50:52,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:50:52,404 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 00:50:52,404 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 00:50:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:50:52,404 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:50:52,404 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.6) internal successors, (38), 4 states have internal predecessors, (38), 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) [2024-12-17 00:50:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:50:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-12-17 00:50:52,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:50:52,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:50:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-12-17 00:50:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:50:52,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-12-17 00:50:53,054 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 [2024-12-17 00:50:53,055 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:50:53,055 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:50:53,055 INFO L139 ounterexampleChecker]: Examining path program with hash -279653984, occurence #1 [2024-12-17 00:50:53,055 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:50:53,055 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:50:53,055 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:50:53,056 INFO L85 PathProgramCache]: Analyzing trace with hash -491344097, now seen corresponding path program 4 times [2024-12-17 00:50:53,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:50:53,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1803961936] [2024-12-17 00:50:53,056 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 00:50:53,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:50:53,078 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 00:50:53,078 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:50:54,118 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 41 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 00:50:54,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:50:54,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1803961936] [2024-12-17 00:50:54,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1803961936] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:50:54,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [171726883] [2024-12-17 00:50:54,118 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 00:50:54,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:50:54,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:50:54,122 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) [2024-12-17 00:50:54,123 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 [2024-12-17 00:50:54,178 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 00:50:54,178 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:50:54,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-17 00:50:54,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:50:54,451 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 23 proven. 2 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-12-17 00:50:54,451 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:50:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 34 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-17 00:50:55,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [171726883] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:50:55,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:50:55,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 7, 20] total 62 [2024-12-17 00:50:55,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870425634] [2024-12-17 00:50:55,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:50:55,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-12-17 00:50:55,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:50:55,046 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-12-17 00:50:55,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=3482, Unknown=0, NotChecked=0, Total=3906 [2024-12-17 00:50:55,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:50:55,048 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:50:55,048 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 3.0) internal successors, (189), 62 states have internal predecessors, (189), 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) [2024-12-17 00:50:55,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:50:55,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-12-17 00:50:55,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:50:55,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:11,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:11,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:11,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-17 00:51:11,272 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 [2024-12-17 00:51:11,273 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:51:11,273 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:51:11,273 INFO L139 ounterexampleChecker]: Examining path program with hash 977329417, occurence #1 [2024-12-17 00:51:11,273 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:51:11,273 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:51:11,274 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:11,274 INFO L85 PathProgramCache]: Analyzing trace with hash -1619155907, now seen corresponding path program 5 times [2024-12-17 00:51:11,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:51:11,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053670122] [2024-12-17 00:51:11,274 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 00:51:11,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:11,389 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2024-12-17 00:51:11,389 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 98 proven. 1000 refuted. 0 times theorem prover too weak. 1576 trivial. 0 not checked. [2024-12-17 00:51:15,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:51:15,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053670122] [2024-12-17 00:51:15,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053670122] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:51:15,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1513796280] [2024-12-17 00:51:15,844 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 00:51:15,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:15,845 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:51:15,846 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) [2024-12-17 00:51:15,848 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 [2024-12-17 00:51:15,993 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 33 check-sat command(s) [2024-12-17 00:51:15,994 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:16,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 1050 conjuncts, 170 conjuncts are in the unsatisfiable core [2024-12-17 00:51:16,007 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:51:16,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 551 proven. 539 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2024-12-17 00:51:16,965 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:51:17,506 INFO L134 CoverageAnalysis]: Checked inductivity of 2674 backedges. 158 proven. 932 refuted. 0 times theorem prover too weak. 1584 trivial. 0 not checked. [2024-12-17 00:51:17,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1513796280] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:51:17,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:51:17,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15, 14] total 42 [2024-12-17 00:51:17,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195450270] [2024-12-17 00:51:17,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:51:17,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-12-17 00:51:17,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:51:17,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-12-17 00:51:17,509 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=1375, Unknown=0, NotChecked=0, Total=1806 [2024-12-17 00:51:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:17,509 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:51:17,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.604651162790698) internal successors, (284), 42 states have internal predecessors, (284), 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) [2024-12-17 00:51:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:17,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:18,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:18,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:18,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-17 00:51:18,886 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 [2024-12-17 00:51:18,887 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:51:18,887 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:51:18,887 INFO L139 ounterexampleChecker]: Examining path program with hash 977329417, occurence #2 [2024-12-17 00:51:18,887 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 00:51:18,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2024-12-17 00:51:18,899 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:18,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1581946399, now seen corresponding path program 1 times [2024-12-17 00:51:18,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 00:51:18,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084480817] [2024-12-17 00:51:18,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 00:51:18,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-17 00:51:18,914 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2024-12-17 00:51:18,914 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2024-12-17 00:51:18,914 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 104 is hopeless, skipping. [2024-12-17 00:51:18,914 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 112 is hopeless, skipping. [2024-12-17 00:51:18,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2024-12-17 00:51:18,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:18,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1596741397, now seen corresponding path program 1 times [2024-12-17 00:51:18,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 00:51:18,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752905863] [2024-12-17 00:51:18,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 00:51:18,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:18,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:51:18,972 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 652 trivial. 0 not checked. [2024-12-17 00:51:18,972 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 00:51:18,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [752905863] [2024-12-17 00:51:18,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [752905863] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 00:51:18,972 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 00:51:18,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-17 00:51:18,973 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 119. Constructing proof automaton... [2024-12-17 00:51:18,974 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 00:51:18,978 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 00:51:18,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-17 00:51:18,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 00:51:18,979 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-17 00:51:18,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-17 00:51:18,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:18,979 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:51:18,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-12-17 00:51:18,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:18,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:18,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:18,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:18,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:18,979 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:19,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:19,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:19,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-12-17 00:51:19,164 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:51:19,164 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:51:19,165 INFO L139 ounterexampleChecker]: Examining path program with hash -1415962479, occurence #1 [2024-12-17 00:51:19,165 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:51:19,165 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:51:19,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:19,165 INFO L85 PathProgramCache]: Analyzing trace with hash -172090227, now seen corresponding path program 6 times [2024-12-17 00:51:19,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:51:19,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564159671] [2024-12-17 00:51:19,165 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 00:51:19,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:19,281 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2024-12-17 00:51:19,281 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:20,984 INFO L134 CoverageAnalysis]: Checked inductivity of 3550 backedges. 867 proven. 1924 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2024-12-17 00:51:20,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:51:20,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564159671] [2024-12-17 00:51:20,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564159671] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:51:20,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60445532] [2024-12-17 00:51:20,984 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 00:51:20,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:20,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:51:20,987 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) [2024-12-17 00:51:20,988 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 [2024-12-17 00:51:21,160 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 38 check-sat command(s) [2024-12-17 00:51:21,160 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:21,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-12-17 00:51:21,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:51:22,994 INFO L134 CoverageAnalysis]: Checked inductivity of 3550 backedges. 867 proven. 1924 refuted. 0 times theorem prover too weak. 759 trivial. 0 not checked. [2024-12-17 00:51:22,994 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:51:25,272 INFO L134 CoverageAnalysis]: Checked inductivity of 3550 backedges. 1839 proven. 959 refuted. 0 times theorem prover too weak. 752 trivial. 0 not checked. [2024-12-17 00:51:25,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60445532] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:51:25,272 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:51:25,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 53] total 125 [2024-12-17 00:51:25,272 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [962543434] [2024-12-17 00:51:25,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:51:25,273 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2024-12-17 00:51:25,273 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:51:25,275 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2024-12-17 00:51:25,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3069, Invalid=12681, Unknown=0, NotChecked=0, Total=15750 [2024-12-17 00:51:25,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:25,278 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:51:25,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 5.531746031746032) internal successors, (697), 125 states have internal predecessors, (697), 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) [2024-12-17 00:51:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:25,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:29,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:29,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-12-17 00:51:29,196 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 [2024-12-17 00:51:29,393 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:29,394 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:51:29,394 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:51:29,394 INFO L139 ounterexampleChecker]: Examining path program with hash 88617156, occurence #1 [2024-12-17 00:51:29,394 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:51:29,394 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:51:29,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:29,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1084024991, now seen corresponding path program 7 times [2024-12-17 00:51:29,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:51:29,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915772842] [2024-12-17 00:51:29,395 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 00:51:29,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:29,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:51:36,848 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 148 proven. 2306 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2024-12-17 00:51:36,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:51:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915772842] [2024-12-17 00:51:36,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915772842] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:51:36,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008987225] [2024-12-17 00:51:36,848 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 00:51:36,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:36,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:51:36,851 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) [2024-12-17 00:51:36,852 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 [2024-12-17 00:51:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:51:37,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 1540 conjuncts, 218 conjuncts are in the unsatisfiable core [2024-12-17 00:51:37,040 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:51:37,462 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 148 proven. 2306 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2024-12-17 00:51:37,462 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:51:38,878 INFO L134 CoverageAnalysis]: Checked inductivity of 5325 backedges. 148 proven. 2306 refuted. 0 times theorem prover too weak. 2871 trivial. 0 not checked. [2024-12-17 00:51:38,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008987225] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:51:38,878 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:51:38,878 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 15 [2024-12-17 00:51:38,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587442819] [2024-12-17 00:51:38,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:51:38,879 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-17 00:51:38,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:51:38,879 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-17 00:51:38,879 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2024-12-17 00:51:38,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:38,880 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:51:38,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 8.0) internal successors, (128), 15 states have internal predecessors, (128), 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) [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-12-17 00:51:38,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:39,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-12-17 00:51:39,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:51:39,858 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-17 00:51:40,051 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:40,051 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:51:40,052 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:51:40,052 INFO L139 ounterexampleChecker]: Examining path program with hash 88617156, occurence #2 [2024-12-17 00:51:40,052 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 00:51:40,052 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2024-12-17 00:51:40,059 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:40,059 INFO L85 PathProgramCache]: Analyzing trace with hash 1393605655, now seen corresponding path program 1 times [2024-12-17 00:51:40,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 00:51:40,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035561573] [2024-12-17 00:51:40,060 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 00:51:40,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:40,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:51:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 00:51:40,076 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 00:51:40,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035561573] [2024-12-17 00:51:40,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035561573] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 00:51:40,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-17 00:51:40,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-17 00:51:40,076 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 17. Constructing proof automaton... [2024-12-17 00:51:40,077 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 00:51:40,077 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 00:51:40,077 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-17 00:51:40,077 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 00:51:40,077 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-17 00:51:40,077 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-17 00:51:40,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:40,077 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:51:40,077 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 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) [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:51:40,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:41,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 403 states. [2024-12-17 00:51:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-12-17 00:51:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:51:41,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:51:41,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-17 00:51:41,293 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:51:41,293 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:51:41,293 INFO L139 ounterexampleChecker]: Examining path program with hash -226649442, occurence #1 [2024-12-17 00:51:41,293 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:51:41,293 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:51:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash 938038589, now seen corresponding path program 8 times [2024-12-17 00:51:41,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:51:41,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698079738] [2024-12-17 00:51:41,294 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 00:51:41,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:41,322 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 00:51:41,322 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:42,018 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 1109 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 00:51:42,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:51:42,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698079738] [2024-12-17 00:51:42,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698079738] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:51:42,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761274940] [2024-12-17 00:51:42,018 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-17 00:51:42,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:42,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:51:42,020 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) [2024-12-17 00:51:42,021 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 [2024-12-17 00:51:42,099 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-17 00:51:42,099 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:42,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 52 conjuncts are in the unsatisfiable core [2024-12-17 00:51:42,103 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:51:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 3 proven. 529 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2024-12-17 00:51:42,508 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:51:44,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 1 proven. 1124 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2024-12-17 00:51:44,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761274940] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:51:44,224 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:51:44,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 5, 51] total 89 [2024-12-17 00:51:44,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72527702] [2024-12-17 00:51:44,224 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:51:44,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2024-12-17 00:51:44,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:51:44,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2024-12-17 00:51:44,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=7356, Unknown=0, NotChecked=0, Total=8010 [2024-12-17 00:51:44,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:44,227 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:51:44,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 4.277777777777778) internal successors, (385), 89 states have internal predecessors, (385), 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) [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 403 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:51:44,228 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:51:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 407 states. [2024-12-17 00:51:53,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:51:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:51:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:51:53,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-12-17 00:51:53,594 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-17 00:51:53,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:53,788 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:51:53,788 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:51:53,789 INFO L139 ounterexampleChecker]: Examining path program with hash 13724288, occurence #1 [2024-12-17 00:51:53,789 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:51:53,789 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:51:53,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:51:53,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1613001961, now seen corresponding path program 9 times [2024-12-17 00:51:53,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:51:53,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [751361629] [2024-12-17 00:51:53,789 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 00:51:53,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:51:53,871 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-12-17 00:51:53,871 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 1628 proven. 499 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2024-12-17 00:51:55,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:51:55,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [751361629] [2024-12-17 00:51:55,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [751361629] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:51:55,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90551956] [2024-12-17 00:51:55,475 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-12-17 00:51:55,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:51:55,475 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:51:55,477 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) [2024-12-17 00:51:55,478 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 [2024-12-17 00:51:55,595 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 28 check-sat command(s) [2024-12-17 00:51:55,595 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:51:55,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 803 conjuncts, 74 conjuncts are in the unsatisfiable core [2024-12-17 00:51:55,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:51:56,725 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 1628 proven. 500 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2024-12-17 00:51:56,725 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:51:59,149 INFO L134 CoverageAnalysis]: Checked inductivity of 2203 backedges. 1610 proven. 592 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 00:51:59,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90551956] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:51:59,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:51:59,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 53, 71] total 127 [2024-12-17 00:51:59,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760243502] [2024-12-17 00:51:59,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:51:59,151 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-12-17 00:51:59,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:51:59,152 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-12-17 00:51:59,155 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2901, Invalid=13355, Unknown=0, NotChecked=0, Total=16256 [2024-12-17 00:51:59,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:51:59,155 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:51:59,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 4.8828125) internal successors, (625), 127 states have internal predecessors, (625), 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) [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 407 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-12-17 00:51:59,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2024-12-17 00:52:07,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-12-17 00:52:07,672 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 [2024-12-17 00:52:07,869 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:52:07,869 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:52:07,870 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:52:07,870 INFO L139 ounterexampleChecker]: Examining path program with hash -124881888, occurence #1 [2024-12-17 00:52:07,870 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:52:07,870 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:52:07,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:52:07,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1506547783, now seen corresponding path program 10 times [2024-12-17 00:52:07,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:52:07,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042135287] [2024-12-17 00:52:07,871 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 00:52:07,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:52:08,065 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 00:52:08,065 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:52:11,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2935 backedges. 747 proven. 2109 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2024-12-17 00:52:11,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:52:11,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042135287] [2024-12-17 00:52:11,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042135287] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:52:11,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428392891] [2024-12-17 00:52:11,745 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-12-17 00:52:11,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:52:11,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:52:11,748 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 00:52:11,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-12-17 00:52:11,861 INFO L229 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-12-17 00:52:11,861 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:52:11,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 999 conjuncts, 84 conjuncts are in the unsatisfiable core [2024-12-17 00:52:11,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:52:12,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2935 backedges. 57 proven. 187 refuted. 0 times theorem prover too weak. 2691 trivial. 0 not checked. [2024-12-17 00:52:12,577 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:52:16,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2935 backedges. 36 proven. 2187 refuted. 0 times theorem prover too weak. 712 trivial. 0 not checked. [2024-12-17 00:52:16,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428392891] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:52:16,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:52:16,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66, 7, 83] total 152 [2024-12-17 00:52:16,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386230079] [2024-12-17 00:52:16,196 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:52:16,196 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 153 states [2024-12-17 00:52:16,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:52:16,197 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2024-12-17 00:52:16,201 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1633, Invalid=21623, Unknown=0, NotChecked=0, Total=23256 [2024-12-17 00:52:16,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:52:16,202 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:52:16,202 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 153 states, 153 states have (on average 3.758169934640523) internal successors, (575), 152 states have internal predecessors, (575), 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) [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 192 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-12-17 00:52:16,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:52:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:52:25,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 214 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2024-12-17 00:52:25,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2024-12-17 00:52:25,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-12-17 00:52:26,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-17 00:52:26,180 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:52:26,180 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:52:26,180 INFO L139 ounterexampleChecker]: Examining path program with hash 544731551, occurence #1 [2024-12-17 00:52:26,180 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:52:26,180 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:52:26,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:52:26,181 INFO L85 PathProgramCache]: Analyzing trace with hash -801195019, now seen corresponding path program 11 times [2024-12-17 00:52:26,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:52:26,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010862308] [2024-12-17 00:52:26,181 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 00:52:26,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:52:26,432 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) [2024-12-17 00:52:26,432 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:52:32,043 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 1 proven. 4153 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-12-17 00:52:32,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:52:32,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010862308] [2024-12-17 00:52:32,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010862308] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:52:32,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [384464226] [2024-12-17 00:52:32,043 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-12-17 00:52:32,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:52:32,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:52:32,045 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 00:52:32,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-12-17 00:52:32,216 INFO L229 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 37 check-sat command(s) [2024-12-17 00:52:32,216 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:52:32,222 INFO L256 TraceCheckSpWp]: Trace formula consists of 1113 conjuncts, 83 conjuncts are in the unsatisfiable core [2024-12-17 00:52:32,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:52:36,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 2746 proven. 1367 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-17 00:52:36,467 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:52:42,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 2701 proven. 1459 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-17 00:52:42,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [384464226] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:52:42,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:52:42,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 65, 82] total 180 [2024-12-17 00:52:42,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739411314] [2024-12-17 00:52:42,052 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:52:42,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-12-17 00:52:42,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:52:42,056 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-12-17 00:52:42,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3052, Invalid=29528, Unknown=0, NotChecked=0, Total=32580 [2024-12-17 00:52:42,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:52:42,059 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:52:42,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 5.259668508287293) internal successors, (952), 180 states have internal predecessors, (952), 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) [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 214 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2024-12-17 00:52:42,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:53:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:53:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:53:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:53:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:53:22,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 244 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 228 states. [2024-12-17 00:53:22,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2024-12-17 00:53:22,423 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-12-17 00:53:22,620 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-12-17 00:53:22,621 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:53:22,621 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:53:22,624 INFO L139 ounterexampleChecker]: Examining path program with hash -1418983207, occurence #1 [2024-12-17 00:53:22,624 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:53:22,624 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:53:22,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:53:22,624 INFO L85 PathProgramCache]: Analyzing trace with hash -2049403545, now seen corresponding path program 12 times [2024-12-17 00:53:22,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:53:22,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040690888] [2024-12-17 00:53:22,624 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 00:53:22,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:53:22,742 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2024-12-17 00:53:22,742 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:53:25,157 INFO L134 CoverageAnalysis]: Checked inductivity of 7377 backedges. 123 proven. 1528 refuted. 0 times theorem prover too weak. 5726 trivial. 0 not checked. [2024-12-17 00:53:25,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:53:25,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040690888] [2024-12-17 00:53:25,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040690888] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:53:25,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173802864] [2024-12-17 00:53:25,157 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-12-17 00:53:25,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:53:25,157 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:53:25,159 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 00:53:25,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-12-17 00:53:25,377 INFO L229 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 51 check-sat command(s) [2024-12-17 00:53:25,377 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-17 00:53:25,383 INFO L256 TraceCheckSpWp]: Trace formula consists of 1312 conjuncts, 120 conjuncts are in the unsatisfiable core [2024-12-17 00:53:25,388 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:53:26,266 INFO L134 CoverageAnalysis]: Checked inductivity of 7377 backedges. 130 proven. 13 refuted. 0 times theorem prover too weak. 7234 trivial. 0 not checked. [2024-12-17 00:53:26,267 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:53:30,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7377 backedges. 92 proven. 6194 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2024-12-17 00:53:30,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173802864] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:53:30,585 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:53:30,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 117] total 143 [2024-12-17 00:53:30,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868577659] [2024-12-17 00:53:30,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:53:30,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-12-17 00:53:30,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:53:30,587 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-12-17 00:53:30,588 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2626, Invalid=17966, Unknown=0, NotChecked=0, Total=20592 [2024-12-17 00:53:30,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:53:30,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:53:30,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 3.8402777777777777) internal successors, (553), 143 states have internal predecessors, (553), 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) [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 244 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 228 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2024-12-17 00:53:30,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:53:31,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2024-12-17 00:53:31,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2024-12-17 00:53:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-12-17 00:53:31,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-12-17 00:53:32,094 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-12-17 00:53:32,094 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:53:32,094 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:53:32,095 INFO L139 ounterexampleChecker]: Examining path program with hash 1336927056, occurence #1 [2024-12-17 00:53:32,095 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2024-12-17 00:53:32,095 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2024-12-17 00:53:32,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:53:32,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1484377913, now seen corresponding path program 13 times [2024-12-17 00:53:32,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-17 00:53:32,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300198509] [2024-12-17 00:53:32,095 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 00:53:32,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:53:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:53:37,003 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 6142 proven. 1374 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-17 00:53:37,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-17 00:53:37,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300198509] [2024-12-17 00:53:37,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [300198509] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:53:37,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [527979230] [2024-12-17 00:53:37,004 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-12-17 00:53:37,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-17 00:53:37,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-12-17 00:53:37,006 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-17 00:53:37,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-12-17 00:53:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:53:37,162 INFO L256 TraceCheckSpWp]: Trace formula consists of 1281 conjuncts, 118 conjuncts are in the unsatisfiable core [2024-12-17 00:53:37,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:53:38,429 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 130 proven. 36 refuted. 0 times theorem prover too weak. 7368 trivial. 0 not checked. [2024-12-17 00:53:38,430 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-17 00:53:45,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 115 proven. 6194 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2024-12-17 00:53:45,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [527979230] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-17 00:53:45,611 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-17 00:53:45,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [98, 13, 115] total 224 [2024-12-17 00:53:45,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287373068] [2024-12-17 00:53:45,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-17 00:53:45,612 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 225 states [2024-12-17 00:53:45,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-17 00:53:45,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 225 interpolants. [2024-12-17 00:53:45,618 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4232, Invalid=46168, Unknown=0, NotChecked=0, Total=50400 [2024-12-17 00:53:45,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:53:45,618 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:53:45,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 225 states, 225 states have (on average 3.9644444444444447) internal successors, (892), 224 states have internal predecessors, (892), 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) [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-12-17 00:53:45,619 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:54:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:54:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:54:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:54:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:54:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:54:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:54:31,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 246 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-12-17 00:54:31,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 496 states. [2024-12-17 00:54:31,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-12-17 00:54:31,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-12-17 00:54:31,550 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-12-17 00:54:31,550 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2024-12-17 00:54:31,550 INFO L139 ounterexampleChecker]: Examining path program with hash 544731551, occurence #2 [2024-12-17 00:54:31,550 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2024-12-17 00:54:31,551 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 300 [2024-12-17 00:54:31,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-17 00:54:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash -254170151, now seen corresponding path program 1 times [2024-12-17 00:54:31,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2024-12-17 00:54:31,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1183385134] [2024-12-17 00:54:31,567 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 00:54:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:54:31,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:54:34,542 INFO L134 CoverageAnalysis]: Checked inductivity of 6627 backedges. 0 proven. 6627 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 00:54:34,543 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2024-12-17 00:54:34,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1183385134] [2024-12-17 00:54:34,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1183385134] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-17 00:54:34,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [682578120] [2024-12-17 00:54:34,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-17 00:54:34,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-17 00:54:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-17 00:54:34,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 822 conjuncts, 148 conjuncts are in the unsatisfiable core [2024-12-17 00:54:34,616 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-17 00:54:37,797 INFO L134 CoverageAnalysis]: Checked inductivity of 6627 backedges. 6627 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-17 00:54:37,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [682578120] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-17 00:54:37,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-17 00:54:37,797 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [52] imperfect sequences [52] total 102 [2024-12-17 00:54:37,798 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 300. Constructing proof automaton... [2024-12-17 00:54:37,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-17 00:54:37,798 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2024-12-17 00:54:37,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-12-17 00:54:37,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2024-12-17 00:54:37,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-12-17 00:54:37,799 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2755, Invalid=7957, Unknown=0, NotChecked=0, Total=10712 [2024-12-17 00:54:37,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-17 00:54:37,799 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-12-17 00:54:37,799 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.660377358490566) internal successors, (300), 52 states have internal predecessors, (300), 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) [2024-12-17 00:54:37,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-12-17 00:54:37,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-12-17 00:54:37,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-12-17 00:54:37,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 411 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 246 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 496 states. [2024-12-17 00:54:37,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-12-17 01:04:56,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2024-12-17 01:04:56,435 WARN L596 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1700 known predicates. [2024-12-17 01:04:56,437 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (4 of 5 remaining) [2024-12-17 01:04:56,438 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-12-17 01:04:56,438 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-12-17 01:04:56,438 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-12-17 01:04:56,438 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-12-17 01:04:56,443 INFO L422 BasicCegarLoop]: Path program histogram: [13] [2024-12-17 01:04:56,445 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-12-17 01:04:56,445 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-17 01:04:56,447 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-12-17 01:04:56,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-12-17 01:04:56,455 INFO L201 PluginConnector]: Adding new model mult-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.12 01:04:56 BasicIcfg [2024-12-17 01:04:56,455 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-17 01:04:56,456 INFO L158 Benchmark]: Toolchain (without parser) took 848997.88ms. Allocated memory was 167.8MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 99.4MB in the beginning and 433.9MB in the end (delta: -334.6MB). Peak memory consumption was 2.4GB. Max. memory is 16.0GB. [2024-12-17 01:04:56,456 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.0GB. [2024-12-17 01:04:56,456 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.82ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 98.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-17 01:04:56,456 INFO L158 Benchmark]: Boogie Preprocessor took 15.95ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 97.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. [2024-12-17 01:04:56,456 INFO L158 Benchmark]: RCFGBuilder took 233.31ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 85.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2024-12-17 01:04:56,457 INFO L158 Benchmark]: TraceAbstraction took 848725.96ms. Allocated memory was 167.8MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 85.9MB in the beginning and 433.9MB in the end (delta: -348.0MB). Peak memory consumption was 2.4GB. Max. memory is 16.0GB. [2024-12-17 01:04:56,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 100.7MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 18.82ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 98.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 15.95ms. Allocated memory is still 167.8MB. Free memory was 98.3MB in the beginning and 97.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 233.31ms. Allocated memory is still 167.8MB. Free memory was 97.3MB in the beginning and 85.9MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 848725.96ms. Allocated memory was 167.8MB in the beginning and 2.9GB in the end (delta: 2.7GB). Free memory was 85.9MB in the beginning and 433.9MB in the end (delta: -348.0MB). Peak memory consumption was 2.4GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1061554, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 91795, dependent conditional: 91787, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971287, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971287, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1103054, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 133295, dependent conditional: 133287, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1103054, independent: 969759, independent conditional: 122112, independent unconditional: 847647, dependent: 133295, dependent conditional: 9156, dependent unconditional: 124139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1103054, independent: 969759, independent conditional: 122112, independent unconditional: 847647, dependent: 133295, dependent conditional: 9156, dependent unconditional: 124139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1904, independent: 887, independent conditional: 377, independent unconditional: 510, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1904, independent: 503, independent conditional: 0, independent unconditional: 503, dependent: 1401, dependent conditional: 0, dependent unconditional: 1401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9280, independent: 2549, independent conditional: 2419, independent unconditional: 130, dependent: 6732, dependent conditional: 6573, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1103054, independent: 968872, independent conditional: 121735, independent unconditional: 847137, dependent: 132278, dependent conditional: 8147, dependent unconditional: 124131, unknown: 1904, unknown conditional: 1386, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 1908, Positive cache size: 891, Positive conditional cache size: 381, Positive unconditional cache size: 510, Negative cache size: 1017, Negative conditional cache size: 1009, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 971210, Maximal queried relation: 12, Independence queries for same thread: 90267, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 212, Number of trivial persistent sets: 117, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 576, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1061554, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 91795, dependent conditional: 91787, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 971287, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 971287, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 1528, dependent conditional: 1520, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1103054, independent: 969759, independent conditional: 969191, independent unconditional: 568, dependent: 133295, dependent conditional: 133287, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1103054, independent: 969759, independent conditional: 122112, independent unconditional: 847647, dependent: 133295, dependent conditional: 9156, dependent unconditional: 124139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1103054, independent: 969759, independent conditional: 122112, independent unconditional: 847647, dependent: 133295, dependent conditional: 9156, dependent unconditional: 124139, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1904, independent: 887, independent conditional: 377, independent unconditional: 510, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1904, independent: 503, independent conditional: 0, independent unconditional: 503, dependent: 1401, dependent conditional: 0, dependent unconditional: 1401, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1401, independent: 384, independent conditional: 377, independent unconditional: 7, dependent: 1017, dependent conditional: 1009, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9280, independent: 2549, independent conditional: 2419, independent unconditional: 130, dependent: 6732, dependent conditional: 6573, dependent unconditional: 159, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 4, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1103054, independent: 968872, independent conditional: 121735, independent unconditional: 847137, dependent: 132278, dependent conditional: 8147, dependent unconditional: 124131, unknown: 1904, unknown conditional: 1386, unknown unconditional: 518] , Statistics on independence cache: Total cache size (in pairs): 1908, Positive cache size: 891, Positive conditional cache size: 381, Positive unconditional cache size: 510, Negative cache size: 1017, Negative conditional cache size: 1009, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 971210, Maximal queried relation: 12, Independence queries for same thread: 90267 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1700 known predicates. - TimeoutResultAtElement [Line: 74]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1700 known predicates. - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1700 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1700 known predicates. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1700 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 848.6s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 759.6s, 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: 4311, 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: 0.2s SsaConstructionTime, 2.2s SatisfiabilityAnalysisTime, 77.1s InterpolantComputationTime, 7569 NumberOfCodeBlocks, 7509 NumberOfCodeBlocksAsserted, 399 NumberOfCheckSat, 11288 ConstructedInterpolants, 0 QuantifiedInterpolants, 82165 SizeOfPredicates, 27 NumberOfNonLiveVariables, 10519 ConjunctsInSsa, 1021 ConjunctsInUnsatCore, 37 InterpolantComputations, 1 PerfectInterpolantSequences, 66811/111222 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: SuccessfulCommutativityProofs: 3, ConComChecker Statistics: CheckTime [ms]: 6356, ConditionCalculationTime [ms]: 40, ConditionCalculations: 4, QuantifiedConditions: 0, TraceChecks: 4, UnknownTraceChecks: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown