/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 --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 23:39:30,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 23:39:30,303 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 [2025-01-22 23:39:30,307 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 23:39:30,307 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 23:39:30,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 23:39:30,351 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 23:39:30,351 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 23:39:30,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 23:39:30,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 23:39:30,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 23:39:30,352 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 23:39:30,353 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 23:39:30,354 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 23:39:30,354 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 23:39:30,354 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 23:39:30,355 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 23:39:30,355 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 23:39:30,355 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 23:39:30,355 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 23:39:30,355 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-22 23:39:30,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 23:39:30,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 23:39:30,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 23:39:30,571 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 23:39:30,572 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 23:39:30,572 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl [2025-01-22 23:39:30,573 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl' [2025-01-22 23:39:30,587 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 23:39:30,588 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 23:39:30,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 23:39:30,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 23:39:30,588 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 23:39:30,595 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,600 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,604 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 23:39:30,605 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 23:39:30,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 23:39:30,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 23:39:30,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 23:39:30,610 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,612 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,613 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,615 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,615 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 23:39:30,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 23:39:30,617 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 23:39:30,617 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 23:39:30,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/1) ... [2025-01-22 23:39:30,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 23:39:30,628 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:30,642 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) [2025-01-22 23:39:30,649 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 [2025-01-22 23:39:30,672 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 23:39:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 23:39:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 23:39:30,673 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 23:39:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 23:39:30,673 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 23:39:30,673 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 23:39:30,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 23:39:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 23:39:30,674 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 23:39:30,674 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 23:39:30,674 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 23:39:30,674 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 23:39:30,723 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 23:39:30,724 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 23:39:30,841 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 23:39:30,841 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 23:39:30,880 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 23:39:30,881 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 23:39:30,881 INFO L201 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 11:39:30 BoogieIcfgContainer [2025-01-22 23:39:30,881 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 23:39:30,887 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 23:39:30,887 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 23:39:30,892 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 23:39:30,892 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 11:39:30" (1/2) ... [2025-01-22 23:39:30,893 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@568cda02 and model type queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 11:39:30, skipping insertion in model container [2025-01-22 23:39:30,893 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 11:39:30" (2/2) ... [2025-01-22 23:39:30,894 INFO L128 eAbstractionObserver]: Analyzing ICFG queue-add-3-nl.wvr.bpl [2025-01-22 23:39:30,904 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 23:39:30,906 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue-add-3-nl.wvr.bpl that has 4 procedures, 29 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-22 23:39:30,906 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 23:39:30,960 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 23:39:31,023 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 23:39:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 23:39:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:31,031 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) [2025-01-22 23:39:31,033 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 [2025-01-22 23:39:31,107 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 23:39:31,140 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 23:39:31,147 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;@31311d52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 23:39:31,148 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 23:39:31,359 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:31,359 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:31,359 INFO L139 ounterexampleChecker]: Examining path program with hash 687218198, occurence #1 [2025-01-22 23:39:31,359 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:39:31,359 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:31,362 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:31,362 INFO L85 PathProgramCache]: Analyzing trace with hash -974893241, now seen corresponding path program 1 times [2025-01-22 23:39:31,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:31,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727544283] [2025-01-22 23:39:31,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:39:31,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:31,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-22 23:39:31,423 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-22 23:39:31,423 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:39:31,424 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:31,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:31,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:31,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727544283] [2025-01-22 23:39:31,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727544283] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 23:39:31,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 23:39:31,494 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 23:39:31,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225461338] [2025-01-22 23:39:31,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 23:39:31,499 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 23:39:31,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:31,537 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 23:39:31,537 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 23:39:31,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:31,539 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:31,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2025-01-22 23:39:31,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:31,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:31,592 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 23:39:31,592 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:31,592 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:31,592 INFO L139 ounterexampleChecker]: Examining path program with hash 1834824492, occurence #1 [2025-01-22 23:39:31,592 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:39:31,592 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:31,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:31,593 INFO L85 PathProgramCache]: Analyzing trace with hash 20193883, now seen corresponding path program 1 times [2025-01-22 23:39:31,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:31,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900830294] [2025-01-22 23:39:31,593 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:39:31,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:31,602 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-22 23:39:31,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-22 23:39:31,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:39:31,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:31,792 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:31,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:31,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900830294] [2025-01-22 23:39:31,793 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900830294] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 23:39:31,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 23:39:31,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-22 23:39:31,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578018031] [2025-01-22 23:39:31,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 23:39:31,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-22 23:39:31,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:31,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-22 23:39:31,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-22 23:39:31,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:31,796 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:31,797 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 states have internal predecessors, (28), 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) [2025-01-22 23:39:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:31,797 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:31,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:31,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:31,847 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-22 23:39:31,847 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:31,847 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:31,847 INFO L139 ounterexampleChecker]: Examining path program with hash 182882610, occurence #1 [2025-01-22 23:39:31,848 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:39:31,848 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:31,848 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:31,848 INFO L85 PathProgramCache]: Analyzing trace with hash 1686011736, now seen corresponding path program 2 times [2025-01-22 23:39:31,848 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:31,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674895598] [2025-01-22 23:39:31,848 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:39:31,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:31,858 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-01-22 23:39:31,875 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 23:39:31,875 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:39:31,875 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:32,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:32,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:32,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674895598] [2025-01-22 23:39:32,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674895598] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:39:32,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [254553418] [2025-01-22 23:39:32,272 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:39:32,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:32,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:32,274 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) [2025-01-22 23:39:32,275 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 [2025-01-22 23:39:32,303 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 24 statements into 2 equivalence classes. [2025-01-22 23:39:32,315 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 24 of 24 statements. [2025-01-22 23:39:32,315 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:39:32,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:32,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-22 23:39:32,318 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:39:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:32,610 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:39:32,782 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:32,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [254553418] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:39:32,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:39:32,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 19 [2025-01-22 23:39:32,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781565588] [2025-01-22 23:39:32,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:39:32,783 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-22 23:39:32,783 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:32,784 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-22 23:39:32,784 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2025-01-22 23:39:32,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:32,784 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:32,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.85) internal successors, (57), 19 states have internal predecessors, (57), 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) [2025-01-22 23:39:32,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:32,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:32,784 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:33,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:33,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:33,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-22 23:39:33,050 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-22 23:39:33,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:33,248 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:33,248 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:33,249 INFO L139 ounterexampleChecker]: Examining path program with hash -393609548, occurence #1 [2025-01-22 23:39:33,249 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:39:33,249 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:33,249 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:33,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1483148711, now seen corresponding path program 3 times [2025-01-22 23:39:33,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:33,249 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584555535] [2025-01-22 23:39:33,249 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:39:33,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:33,253 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 2 equivalence classes. [2025-01-22 23:39:33,262 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-01-22 23:39:33,262 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-22 23:39:33,262 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:33,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:33,302 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:33,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584555535] [2025-01-22 23:39:33,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584555535] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:39:33,302 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284806490] [2025-01-22 23:39:33,302 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:39:33,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:33,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:33,304 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) [2025-01-22 23:39:33,306 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 [2025-01-22 23:39:33,330 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 27 statements into 2 equivalence classes. [2025-01-22 23:39:33,340 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 27 of 27 statements. [2025-01-22 23:39:33,340 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-22 23:39:33,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:33,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-22 23:39:33,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:39:33,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 23:39:33,373 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 23:39:33,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284806490] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 23:39:33,373 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 23:39:33,373 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-01-22 23:39:33,373 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991425211] [2025-01-22 23:39:33,373 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 23:39:33,373 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 23:39:33,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:33,374 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 23:39:33,374 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-22 23:39:33,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:33,374 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:33,374 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 3 states have internal predecessors, (27), 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) [2025-01-22 23:39:33,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:33,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:33,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-22 23:39:33,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:33,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:33,504 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 23:39:33,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:33,702 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:33,702 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:33,702 INFO L139 ounterexampleChecker]: Examining path program with hash 1275711879, occurence #1 [2025-01-22 23:39:33,702 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:39:33,702 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:33,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:33,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1721623504, now seen corresponding path program 1 times [2025-01-22 23:39:33,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:33,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581987063] [2025-01-22 23:39:33,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:39:33,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:33,706 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-22 23:39:33,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 23:39:33,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:39:33,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:34,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:34,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581987063] [2025-01-22 23:39:34,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1581987063] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:39:34,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [333719758] [2025-01-22 23:39:34,212 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:39:34,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:34,212 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:34,213 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) [2025-01-22 23:39:34,215 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 [2025-01-22 23:39:34,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-01-22 23:39:34,251 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-01-22 23:39:34,251 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:39:34,251 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:34,252 INFO L256 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-22 23:39:34,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:39:34,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:34,898 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:39:35,112 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:35,112 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-22 23:39:35,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:35,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2025-01-22 23:39:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:35,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [333719758] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:39:35,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:39:35,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 40 [2025-01-22 23:39:35,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039518947] [2025-01-22 23:39:35,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:39:35,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2025-01-22 23:39:35,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:35,362 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2025-01-22 23:39:35,362 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=1476, Unknown=0, NotChecked=0, Total=1640 [2025-01-22 23:39:35,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:35,362 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:35,362 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 40 states have internal predecessors, (79), 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) [2025-01-22 23:39:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:35,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:35,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:36,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:36,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:36,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:36,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:36,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:39:36,613 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-22 23:39:36,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:36,811 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:36,811 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:36,811 INFO L139 ounterexampleChecker]: Examining path program with hash 1780047467, occurence #1 [2025-01-22 23:39:36,811 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:39:36,811 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:36,812 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:36,812 INFO L85 PathProgramCache]: Analyzing trace with hash 800849359, now seen corresponding path program 2 times [2025-01-22 23:39:36,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:36,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407926814] [2025-01-22 23:39:36,812 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:39:36,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:36,816 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-01-22 23:39:36,821 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-01-22 23:39:36,824 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:39:36,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:36,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:36,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:36,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407926814] [2025-01-22 23:39:36,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407926814] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:39:36,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999650873] [2025-01-22 23:39:36,930 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:39:36,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:36,930 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:36,933 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) [2025-01-22 23:39:36,936 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 [2025-01-22 23:39:36,956 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-01-22 23:39:36,966 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-01-22 23:39:36,966 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:39:36,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:36,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-22 23:39:36,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:39:37,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2025-01-22 23:39:37,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:37,038 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:39:37,070 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:37,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2025-01-22 23:39:37,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:37,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 21 [2025-01-22 23:39:37,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:37,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999650873] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:39:37,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:39:37,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2025-01-22 23:39:37,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897857460] [2025-01-22 23:39:37,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:39:37,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-22 23:39:37,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:37,117 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-22 23:39:37,117 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2025-01-22 23:39:37,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:37,117 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:37,117 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0625) internal successors, (49), 15 states have internal predecessors, (49), 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) [2025-01-22 23:39:37,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:37,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:37,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:37,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:37,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:39:37,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-22 23:39:37,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:39:37,547 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-22 23:39:37,746 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:37,746 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:37,746 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:37,746 INFO L139 ounterexampleChecker]: Examining path program with hash 1275711879, occurence #2 [2025-01-22 23:39:37,746 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:39:37,746 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 23:39:37,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:37,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 23:39:37,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:37,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-22 23:39:37,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:37,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 41 [2025-01-22 23:39:37,747 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:37,747 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 23:39:37,747 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:39:37,747 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:39:37,747 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:37,748 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:37,748 INFO L85 PathProgramCache]: Analyzing trace with hash -1358687672, now seen corresponding path program 3 times [2025-01-22 23:39:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:37,748 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139635630] [2025-01-22 23:39:37,748 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:39:37,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:37,751 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 44 statements into 3 equivalence classes. [2025-01-22 23:39:37,779 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 44 of 44 statements. [2025-01-22 23:39:37,780 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 23:39:37,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:38,706 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:38,707 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139635630] [2025-01-22 23:39:38,707 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139635630] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:39:38,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1958838551] [2025-01-22 23:39:38,707 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:39:38,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:38,707 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:38,708 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) [2025-01-22 23:39:38,710 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 [2025-01-22 23:39:38,729 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 44 statements into 3 equivalence classes. [2025-01-22 23:39:38,741 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 44 of 44 statements. [2025-01-22 23:39:38,741 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 23:39:38,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:38,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-01-22 23:39:38,744 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:39:39,937 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:39,937 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:39:40,753 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:40,753 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 69 [2025-01-22 23:39:41,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:41,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 64 treesize of output 82 [2025-01-22 23:39:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:41,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1958838551] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:39:41,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:39:41,261 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 25] total 65 [2025-01-22 23:39:41,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1344828520] [2025-01-22 23:39:41,261 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:39:41,261 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2025-01-22 23:39:41,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:41,262 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2025-01-22 23:39:41,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=4032, Unknown=0, NotChecked=0, Total=4290 [2025-01-22 23:39:41,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:41,263 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:41,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 1.7727272727272727) internal successors, (117), 65 states have internal predecessors, (117), 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) [2025-01-22 23:39:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-22 23:39:41,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:39:41,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-22 23:39:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:39:47,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-22 23:39:47,664 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 [2025-01-22 23:39:47,859 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:47,859 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:47,859 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:47,859 INFO L139 ounterexampleChecker]: Examining path program with hash 1780047467, occurence #2 [2025-01-22 23:39:47,859 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:39:47,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 23:39:47,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:47,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 23:39:47,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:47,859 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-22 23:39:47,859 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:47,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-22 23:39:47,860 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:47,860 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-22 23:39:47,860 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:39:47,860 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:39:47,860 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:47,860 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:47,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1001898785, now seen corresponding path program 4 times [2025-01-22 23:39:47,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:47,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006625796] [2025-01-22 23:39:47,860 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 23:39:47,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:47,866 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 51 statements into 2 equivalence classes. [2025-01-22 23:39:47,879 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-22 23:39:47,879 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 23:39:47,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2025-01-22 23:39:48,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:48,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006625796] [2025-01-22 23:39:48,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2006625796] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:39:48,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449378223] [2025-01-22 23:39:48,009 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 23:39:48,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:48,009 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:48,011 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) [2025-01-22 23:39:48,012 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 [2025-01-22 23:39:48,032 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 51 statements into 2 equivalence classes. [2025-01-22 23:39:48,046 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 51 of 51 statements. [2025-01-22 23:39:48,046 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 23:39:48,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:48,046 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-22 23:39:48,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:39:48,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-22 23:39:48,168 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-22 23:39:48,183 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 23:39:48,183 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:39:48,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:48,212 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2025-01-22 23:39:48,245 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:48,245 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2025-01-22 23:39:48,306 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 23:39:48,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449378223] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:39:48,306 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:39:48,306 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 16 [2025-01-22 23:39:48,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086143940] [2025-01-22 23:39:48,306 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:39:48,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-22 23:39:48,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:48,307 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-22 23:39:48,307 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=231, Unknown=0, NotChecked=0, Total=272 [2025-01-22 23:39:48,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:48,307 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:48,307 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.0588235294117645) internal successors, (69), 16 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-22 23:39:48,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:48,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-22 23:39:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:39:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2025-01-22 23:39:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 23:39:48,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-22 23:39:49,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:49,090 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:39:49,090 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:39:49,091 INFO L139 ounterexampleChecker]: Examining path program with hash 1275711879, occurence #3 [2025-01-22 23:39:49,091 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:39:49,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 23:39:49,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:49,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 23:39:49,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:49,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-22 23:39:49,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:49,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-22 23:39:49,091 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:39:49,091 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 62 [2025-01-22 23:39:49,091 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:39:49,091 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:39:49,091 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:39:49,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:39:49,091 INFO L85 PathProgramCache]: Analyzing trace with hash -1871524552, now seen corresponding path program 5 times [2025-01-22 23:39:49,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:39:49,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055733379] [2025-01-22 23:39:49,091 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 23:39:49,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:39:49,095 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 5 equivalence classes. [2025-01-22 23:39:49,116 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 64 of 64 statements. [2025-01-22 23:39:49,116 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-01-22 23:39:49,116 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:50,268 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 6 proven. 32 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2025-01-22 23:39:50,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:39:50,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1055733379] [2025-01-22 23:39:50,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1055733379] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:39:50,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937548674] [2025-01-22 23:39:50,268 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 23:39:50,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:39:50,268 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:39:50,270 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) [2025-01-22 23:39:50,271 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 [2025-01-22 23:39:50,296 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 64 statements into 5 equivalence classes. [2025-01-22 23:39:50,319 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) and asserted 64 of 64 statements. [2025-01-22 23:39:50,319 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2025-01-22 23:39:50,319 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:39:50,321 WARN L254 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 128 conjuncts are in the unsatisfiable core [2025-01-22 23:39:50,323 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:39:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:53,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:39:55,382 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:55,384 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:55,384 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:55,384 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:55,385 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:55,386 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:55,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:55,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 83 treesize of output 143 [2025-01-22 23:39:56,121 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:56,122 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:56,124 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:56,124 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:56,126 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:56,128 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 23:39:56,166 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:39:56,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 167 [2025-01-22 23:39:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:39:56,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937548674] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:39:56,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:39:56,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 38, 38] total 93 [2025-01-22 23:39:56,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881378414] [2025-01-22 23:39:56,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:39:56,607 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2025-01-22 23:39:56,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:39:56,608 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2025-01-22 23:39:56,609 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=573, Invalid=8169, Unknown=0, NotChecked=0, Total=8742 [2025-01-22 23:39:56,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:39:56,609 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:39:56,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 1.6702127659574468) internal successors, (157), 93 states have internal predecessors, (157), 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) [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2025-01-22 23:39:56,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 23:39:56,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 23:40:13,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-01-22 23:40:13,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-22 23:40:13,545 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:40:13,545 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:40:13,545 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:40:13,546 INFO L139 ounterexampleChecker]: Examining path program with hash 758686871, occurence #1 [2025-01-22 23:40:13,546 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:40:13,546 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:40:13,546 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:40:13,546 INFO L85 PathProgramCache]: Analyzing trace with hash 157554787, now seen corresponding path program 6 times [2025-01-22 23:40:13,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:40:13,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639768446] [2025-01-22 23:40:13,547 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 23:40:13,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:40:13,552 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 114 statements into 7 equivalence classes. [2025-01-22 23:40:13,583 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 114 of 114 statements. [2025-01-22 23:40:13,583 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-01-22 23:40:13,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:40:13,774 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 40 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2025-01-22 23:40:13,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:40:13,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639768446] [2025-01-22 23:40:13,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639768446] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:40:13,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [405658820] [2025-01-22 23:40:13,774 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 23:40:13,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:40:13,775 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:40:13,778 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) [2025-01-22 23:40:13,779 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 [2025-01-22 23:40:13,807 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 114 statements into 7 equivalence classes. [2025-01-22 23:40:13,851 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 114 of 114 statements. [2025-01-22 23:40:13,851 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-01-22 23:40:13,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:40:13,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 399 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-22 23:40:13,855 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:40:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-01-22 23:40:13,979 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:40:14,131 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 6 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-01-22 23:40:14,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [405658820] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:40:14,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:40:14,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2025-01-22 23:40:14,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665985025] [2025-01-22 23:40:14,132 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:40:14,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-22 23:40:14,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:40:14,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-22 23:40:14,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-01-22 23:40:14,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:40:14,132 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:40:14,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 6 states have internal predecessors, (55), 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) [2025-01-22 23:40:14,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-01-22 23:40:14,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-01-22 23:40:14,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:40:14,206 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 [2025-01-22 23:40:14,404 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:40:14,404 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:40:14,404 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:40:14,404 INFO L139 ounterexampleChecker]: Examining path program with hash 758686871, occurence #2 [2025-01-22 23:40:14,404 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:40:14,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 23:40:14,404 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:40:14,404 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 23:40:14,405 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:40:14,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-22 23:40:14,405 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:40:14,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 23:40:14,405 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:40:14,405 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 23:40:14,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:40:14,417 INFO L85 PathProgramCache]: Analyzing trace with hash 499304808, now seen corresponding path program 1 times [2025-01-22 23:40:14,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:40:14,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [807636520] [2025-01-22 23:40:14,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:40:14,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:40:14,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 67 statements into 1 equivalence classes. [2025-01-22 23:40:14,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 67 of 67 statements. [2025-01-22 23:40:14,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:40:14,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:40:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2025-01-22 23:40:14,461 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-22 23:40:14,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [807636520] [2025-01-22 23:40:14,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [807636520] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 23:40:14,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 23:40:14,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-22 23:40:14,462 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 66. Constructing proof automaton... [2025-01-22 23:40:14,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 23:40:14,463 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-22 23:40:14,463 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 23:40:14,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-22 23:40:14,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-22 23:40:14,463 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-22 23:40:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:40:14,463 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:40:14,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 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) [2025-01-22 23:40:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:40:14,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:40:14,464 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:40:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:40:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:16,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:40:16,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:40:16,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-01-22 23:40:16,484 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:40:16,484 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:40:16,484 INFO L139 ounterexampleChecker]: Examining path program with hash 1556502624, occurence #1 [2025-01-22 23:40:16,484 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:40:16,484 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:40:16,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:40:16,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1566977656, now seen corresponding path program 7 times [2025-01-22 23:40:16,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:40:16,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249597162] [2025-01-22 23:40:16,485 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 23:40:16,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:40:16,488 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-22 23:40:16,532 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-22 23:40:16,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:40:16,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:40:18,613 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 31 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2025-01-22 23:40:18,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:40:18,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249597162] [2025-01-22 23:40:18,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249597162] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:40:18,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1042292173] [2025-01-22 23:40:18,613 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 23:40:18,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:40:18,613 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:40:18,615 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) [2025-01-22 23:40:18,616 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 [2025-01-22 23:40:18,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-01-22 23:40:18,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-01-22 23:40:18,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:40:18,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:40:18,664 WARN L254 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 176 conjuncts are in the unsatisfiable core [2025-01-22 23:40:18,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:40:23,537 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:40:23,537 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:40:28,296 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:40:28,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 110 treesize of output 414 [2025-01-22 23:40:31,525 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:40:31,526 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 91 treesize of output 395 [2025-01-22 23:40:31,890 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:40:31,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1042292173] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:40:31,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:40:31,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 52, 52] total 130 [2025-01-22 23:40:31,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033336802] [2025-01-22 23:40:31,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:40:31,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2025-01-22 23:40:31,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:40:31,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2025-01-22 23:40:31,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=742, Invalid=16288, Unknown=0, NotChecked=0, Total=17030 [2025-01-22 23:40:31,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:40:31,894 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:40:31,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 1.6106870229007633) internal successors, (211), 130 states have internal predecessors, (211), 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) [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:40:31,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:40:51,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-01-22 23:40:51,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-22 23:40:51,259 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:40:51,259 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:40:51,259 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:40:51,259 INFO L139 ounterexampleChecker]: Examining path program with hash 353110629, occurence #1 [2025-01-22 23:40:51,259 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 23:40:51,259 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:40:51,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:40:51,260 INFO L85 PathProgramCache]: Analyzing trace with hash -587916760, now seen corresponding path program 8 times [2025-01-22 23:40:51,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:40:51,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [209417660] [2025-01-22 23:40:51,260 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:40:51,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:40:51,264 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 104 statements into 2 equivalence classes. [2025-01-22 23:40:51,321 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 104 of 104 statements. [2025-01-22 23:40:51,322 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:40:51,322 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:40:54,140 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 32 proven. 79 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2025-01-22 23:40:54,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:40:54,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [209417660] [2025-01-22 23:40:54,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [209417660] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:40:54,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416270813] [2025-01-22 23:40:54,140 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:40:54,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:40:54,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:40:54,143 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) [2025-01-22 23:40:54,144 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 [2025-01-22 23:40:54,176 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 104 statements into 2 equivalence classes. [2025-01-22 23:40:54,203 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 104 of 104 statements. [2025-01-22 23:40:54,203 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:40:54,203 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:40:54,205 WARN L254 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 228 conjuncts are in the unsatisfiable core [2025-01-22 23:40:54,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:41:01,547 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:41:01,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:41:11,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:41:11,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 144 treesize of output 708 [2025-01-22 23:41:20,973 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:41:20,974 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 117 treesize of output 681 [2025-01-22 23:41:21,513 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 0 proven. 173 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 23:41:21,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416270813] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:41:21,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:41:21,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 66, 66] total 170 [2025-01-22 23:41:21,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324567186] [2025-01-22 23:41:21,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:41:21,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 171 states [2025-01-22 23:41:21,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:41:21,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2025-01-22 23:41:21,519 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1046, Invalid=28024, Unknown=0, NotChecked=0, Total=29070 [2025-01-22 23:41:21,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:41:21,519 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:41:21,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 171 states, 171 states have (on average 1.5789473684210527) internal successors, (270), 170 states have internal predecessors, (270), 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) [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:41:21,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:41:21,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2025-01-22 23:41:21,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:41:21,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:41:21,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-01-22 23:41:21,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-01-22 23:41:53,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2025-01-22 23:41:53,767 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-22 23:41:53,965 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,SelfDestructingSolverStorable12 [2025-01-22 23:41:53,969 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 23:41:53,970 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:41:53,970 INFO L139 ounterexampleChecker]: Examining path program with hash 1556502624, occurence #2 [2025-01-22 23:41:53,970 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:41:53,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-22 23:41:53,970 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:41:53,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-22 23:41:53,970 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:41:53,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-22 23:41:53,970 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:41:53,970 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-22 23:41:53,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:41:53,986 INFO L85 PathProgramCache]: Analyzing trace with hash 966313931, now seen corresponding path program 1 times [2025-01-22 23:41:53,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:41:53,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825704962] [2025-01-22 23:41:53,986 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:41:53,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:41:53,993 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-22 23:41:54,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-22 23:41:54,001 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:41:54,001 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:41:54,151 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 7 proven. 36 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2025-01-22 23:41:54,151 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-22 23:41:54,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825704962] [2025-01-22 23:41:54,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825704962] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:41:54,152 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [908356360] [2025-01-22 23:41:54,152 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:41:54,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:41:54,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-01-22 23:41:54,179 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-01-22 23:41:54,179 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:41:54,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:41:54,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-22 23:41:54,181 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:41:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-22 23:41:54,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [908356360] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 23:41:54,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 23:41:54,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2025-01-22 23:41:54,218 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 95. Constructing proof automaton... [2025-01-22 23:41:54,218 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 23:41:54,218 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-22 23:41:54,218 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-22 23:41:54,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-22 23:41:54,219 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-22 23:41:54,219 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2025-01-22 23:41:54,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:41:54,219 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:41:54,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 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) [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 190 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 163 states. [2025-01-22 23:41:54,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:42:11,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:42:11,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:42:11,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 23:42:11,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:42:11,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2025-01-22 23:42:11,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-22 23:42:11,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 23:42:11,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 23:42:11,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 23:42:11,411 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 23:42:11,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,SelfDestructingSolverStorable14 [2025-01-22 23:42:11,417 INFO L422 BasicCegarLoop]: Path program histogram: [8, 3, 1] [2025-01-22 23:42:11,420 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 23:42:11,420 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 23:42:11,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 23:42:11,429 INFO L201 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 11:42:11 BasicIcfg [2025-01-22 23:42:11,429 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 23:42:11,430 INFO L158 Benchmark]: Toolchain (without parser) took 160841.98ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 81.3MB in the beginning and 642.4MB in the end (delta: -561.2MB). Peak memory consumption was 589.9MB. Max. memory is 16.0GB. [2025-01-22 23:42:11,430 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:42:11,430 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.39ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:42:11,430 INFO L158 Benchmark]: Boogie Preprocessor took 10.85ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 721.5kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:42:11,431 INFO L158 Benchmark]: RCFGBuilder took 264.79ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 67.2MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2025-01-22 23:42:11,431 INFO L158 Benchmark]: TraceAbstraction took 160542.08ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 66.6MB in the beginning and 642.4MB in the end (delta: -575.8MB). Peak memory consumption was 573.1MB. Max. memory is 16.0GB. [2025-01-22 23:42:11,431 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 117.4MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 16.39ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 10.85ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 721.5kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 264.79ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 67.2MB in the end (delta: 12.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 160542.08ms. Allocated memory was 117.4MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 66.6MB in the beginning and 642.4MB in the end (delta: -575.8MB). Peak memory consumption was 573.1MB. 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: 13300, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 2194, dependent conditional: 2191, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11127, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11127, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11785, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 679, dependent conditional: 676, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11785, independent: 11106, independent conditional: 246, independent unconditional: 10860, dependent: 679, dependent conditional: 73, dependent unconditional: 606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11785, independent: 11106, independent conditional: 246, independent unconditional: 10860, dependent: 679, dependent conditional: 73, dependent unconditional: 606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 614, independent: 591, independent conditional: 35, independent unconditional: 556, dependent: 23, dependent conditional: 20, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 614, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 40, independent conditional: 35, independent unconditional: 5, dependent: 23, dependent conditional: 20, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 40, independent conditional: 35, independent unconditional: 5, dependent: 23, dependent conditional: 20, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 638, independent: 403, independent conditional: 309, independent unconditional: 94, dependent: 234, dependent conditional: 182, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11785, independent: 10515, independent conditional: 211, independent unconditional: 10304, dependent: 656, dependent conditional: 53, dependent unconditional: 603, unknown: 614, unknown conditional: 55, unknown unconditional: 559] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 593, Positive conditional cache size: 37, Positive unconditional cache size: 556, Negative cache size: 23, Negative conditional cache size: 20, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10794, Maximal queried relation: 9, Independence queries for same thread: 2173, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 162, Number of trivial persistent sets: 117, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 672, independent: 669, independent conditional: 0, independent unconditional: 669, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13300, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 2194, dependent conditional: 2191, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11127, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 11127, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 21, dependent conditional: 18, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11785, independent: 11106, independent conditional: 10437, independent unconditional: 669, dependent: 679, dependent conditional: 676, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 11785, independent: 11106, independent conditional: 246, independent unconditional: 10860, dependent: 679, dependent conditional: 73, dependent unconditional: 606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 11785, independent: 11106, independent conditional: 246, independent unconditional: 10860, dependent: 679, dependent conditional: 73, dependent unconditional: 606, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 614, independent: 591, independent conditional: 35, independent unconditional: 556, dependent: 23, dependent conditional: 20, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 614, independent: 551, independent conditional: 0, independent unconditional: 551, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 63, independent: 40, independent conditional: 35, independent unconditional: 5, dependent: 23, dependent conditional: 20, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 63, independent: 40, independent conditional: 35, independent unconditional: 5, dependent: 23, dependent conditional: 20, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 638, independent: 403, independent conditional: 309, independent unconditional: 94, dependent: 234, dependent conditional: 182, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 11785, independent: 10515, independent conditional: 211, independent unconditional: 10304, dependent: 656, dependent conditional: 53, dependent unconditional: 603, unknown: 614, unknown conditional: 55, unknown unconditional: 559] , Statistics on independence cache: Total cache size (in pairs): 616, Positive cache size: 593, Positive conditional cache size: 37, Positive unconditional cache size: 556, Negative cache size: 23, Negative conditional cache size: 20, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 10794, Maximal queried relation: 9, Independence queries for same thread: 2173 - PositiveResult [Line: 96]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 50 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 160.3s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 96.8s, 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: 852, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 60.2s InterpolantComputationTime, 1203 NumberOfCodeBlocks, 1203 NumberOfCodeBlocksAsserted, 54 NumberOfCheckSat, 1722 ConstructedInterpolants, 0 QuantifiedInterpolants, 43794 SizeOfPredicates, 132 NumberOfNonLiveVariables, 2001 ConjunctsInSsa, 749 ConjunctsInUnsatCore, 31 InterpolantComputations, 3 PerfectInterpolantSequences, 768/1722 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: 2, ConComChecker Statistics: CheckTime [ms]: 306, ConditionCalculationTime [ms]: 27, ConditionCalculations: 6, QuantifiedConditions: 0, TraceChecks: 2, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-01-22 23:42:11,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...