/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 --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks false -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-30 01:04:28,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-30 01:04:28,433 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 [2025-01-30 01:04:28,441 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-30 01:04:28,441 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-30 01:04:28,454 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-30 01:04:28,455 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-30 01:04:28,455 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-30 01:04:28,455 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-30 01:04:28,455 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-30 01:04:28,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Use SBE=true [2025-01-30 01:04:28,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-30 01:04:28,456 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-30 01:04:28,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-30 01:04:28,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-30 01:04:28,459 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-30 01:04:28,459 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:04:28,460 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-30 01:04:28,460 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-30 01:04:28,461 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-30 01:04:28,461 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-30 01:04:28,461 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 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> false [2025-01-30 01:04:28,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-30 01:04:28,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-30 01:04:28,731 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-30 01:04:28,732 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-30 01:04:28,733 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-30 01:04:28,734 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl [2025-01-30 01:04:28,734 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/queue-add-3.wvr.bpl' [2025-01-30 01:04:28,759 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-30 01:04:28,760 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-30 01:04:28,760 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-30 01:04:28,761 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-30 01:04:28,761 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-30 01:04:28,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,773 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,781 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-30 01:04:28,782 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-30 01:04:28,783 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-30 01:04:28,783 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-30 01:04:28,783 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-30 01:04:28,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,790 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,790 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,795 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,795 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,800 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,801 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,801 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,802 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-30 01:04:28,802 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-30 01:04:28,802 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-30 01:04:28,802 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-30 01:04:28,805 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/1) ... [2025-01-30 01:04:28,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:04:28,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:28,836 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) [2025-01-30 01:04:28,841 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 [2025-01-30 01:04:28,861 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-30 01:04:28,861 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-30 01:04:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-30 01:04:28,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-30 01:04:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-30 01:04:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-30 01:04:28,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-30 01:04:28,862 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-30 01:04:28,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-30 01:04:28,862 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-30 01:04:28,863 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-30 01:04:28,863 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-30 01:04:28,863 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-30 01:04:28,903 INFO L234 CfgBuilder]: Building ICFG [2025-01-30 01:04:28,905 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-30 01:04:29,015 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-30 01:04:29,015 INFO L283 CfgBuilder]: Performing block encoding [2025-01-30 01:04:29,043 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-30 01:04:29,044 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-30 01:04:29,046 INFO L201 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:04:29 BoogieIcfgContainer [2025-01-30 01:04:29,046 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-30 01:04:29,048 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-30 01:04:29,048 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-30 01:04:29,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-30 01:04:29,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:04:28" (1/2) ... [2025-01-30 01:04:29,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5435513b and model type queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:04:29, skipping insertion in model container [2025-01-30 01:04:29,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:04:29" (2/2) ... [2025-01-30 01:04:29,056 INFO L128 eAbstractionObserver]: Analyzing ICFG queue-add-3.wvr.bpl [2025-01-30 01:04:29,068 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-30 01:04:29,069 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue-add-3.wvr.bpl that has 4 procedures, 36 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-30 01:04:29,069 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-30 01:04:29,118 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-30 01:04:29,166 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:04:29,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-30 01:04:29,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:29,168 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) [2025-01-30 01:04:29,170 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 [2025-01-30 01:04:29,226 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-30 01:04:29,243 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-30 01:04:29,249 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;@73279051, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:04:29,250 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-30 01:04:29,404 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)] === [2025-01-30 01:04:29,404 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:29,405 INFO L139 ounterexampleChecker]: Examining path program with hash -1400055359, occurence #1 [2025-01-30 01:04:29,405 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:29,405 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:29,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:29,409 INFO L85 PathProgramCache]: Analyzing trace with hash -1722120014, now seen corresponding path program 1 times [2025-01-30 01:04:29,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:29,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974434475] [2025-01-30 01:04:29,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:04:29,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:29,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 21 statements into 1 equivalence classes. [2025-01-30 01:04:29,490 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 21 of 21 statements. [2025-01-30 01:04:29,491 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:29,491 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:29,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:29,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974434475] [2025-01-30 01:04:29,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974434475] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:04:29,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:04:29,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 01:04:29,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981059149] [2025-01-30 01:04:29,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:04:29,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 01:04:29,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:29,575 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 01:04:29,575 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 01:04:29,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:29,577 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:29,578 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) [2025-01-30 01:04:29,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:29,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:29,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-30 01:04:29,666 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)] === [2025-01-30 01:04:29,666 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:29,666 INFO L139 ounterexampleChecker]: Examining path program with hash 2132088119, occurence #1 [2025-01-30 01:04:29,666 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:29,666 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:29,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:29,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1579619662, now seen corresponding path program 1 times [2025-01-30 01:04:29,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:29,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223604187] [2025-01-30 01:04:29,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:04:29,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:29,674 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 26 statements into 1 equivalence classes. [2025-01-30 01:04:29,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 26 of 26 statements. [2025-01-30 01:04:29,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:29,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:29,771 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:29,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223604187] [2025-01-30 01:04:29,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223604187] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:04:29,772 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:04:29,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 01:04:29,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601292664] [2025-01-30 01:04:29,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:04:29,774 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 01:04:29,774 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:29,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 01:04:29,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 01:04:29,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:29,774 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:29,774 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2025-01-30 01:04:29,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:29,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:29,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:29,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:29,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-30 01:04:29,845 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)] === [2025-01-30 01:04:29,845 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:29,845 INFO L139 ounterexampleChecker]: Examining path program with hash -326903254, occurence #1 [2025-01-30 01:04:29,845 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:29,845 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:29,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:29,845 INFO L85 PathProgramCache]: Analyzing trace with hash 54854481, now seen corresponding path program 1 times [2025-01-30 01:04:29,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:29,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147775527] [2025-01-30 01:04:29,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:04:29,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:29,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-30 01:04:29,871 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-30 01:04:29,871 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:29,871 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:30,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:30,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147775527] [2025-01-30 01:04:30,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147775527] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:30,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [544606318] [2025-01-30 01:04:30,233 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:04:30,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:30,234 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:30,236 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) [2025-01-30 01:04:30,237 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 [2025-01-30 01:04:30,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-01-30 01:04:30,281 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-30 01:04:30,282 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:30,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:30,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-30 01:04:30,292 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:30,572 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:30,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [544606318] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:30,679 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:30,679 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-01-30 01:04:30,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320395376] [2025-01-30 01:04:30,679 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:30,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-30 01:04:30,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:30,680 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-30 01:04:30,680 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2025-01-30 01:04:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:30,680 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:30,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.133333333333334) internal successors, (62), 14 states have internal predecessors, (62), 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) [2025-01-30 01:04:30,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:30,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:30,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:30,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:30,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:30,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:04:30,901 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 [2025-01-30 01:04:31,098 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 [2025-01-30 01:04:31,098 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)] === [2025-01-30 01:04:31,098 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:31,098 INFO L139 ounterexampleChecker]: Examining path program with hash 1964525206, occurence #1 [2025-01-30 01:04:31,098 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:31,098 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:31,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:31,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1406969742, now seen corresponding path program 2 times [2025-01-30 01:04:31,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:31,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608990322] [2025-01-30 01:04:31,099 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:04:31,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:31,108 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-30 01:04:31,113 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 01:04:31,113 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:04:31,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:31,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:31,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608990322] [2025-01-30 01:04:31,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608990322] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:31,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387383467] [2025-01-30 01:04:31,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:04:31,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:31,176 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) [2025-01-30 01:04:31,177 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 [2025-01-30 01:04:31,199 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 34 statements into 2 equivalence classes. [2025-01-30 01:04:31,208 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 34 of 34 statements. [2025-01-30 01:04:31,208 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:04:31,208 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:31,208 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-30 01:04:31,209 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:31,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-30 01:04:31,240 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-30 01:04:31,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387383467] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:04:31,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 01:04:31,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-01-30 01:04:31,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329990841] [2025-01-30 01:04:31,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:04:31,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:04:31,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:31,241 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:04:31,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-30 01:04:31,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:31,241 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:31,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:04:31,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:04:31,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:04:31,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:31,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-30 01:04:31,482 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 [2025-01-30 01:04:31,482 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)] === [2025-01-30 01:04:31,482 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:31,482 INFO L139 ounterexampleChecker]: Examining path program with hash -326903254, occurence #2 [2025-01-30 01:04:31,482 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:04:31,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:04:31,483 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:31,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:04:31,483 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:31,483 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:04:31,484 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:31,484 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-30 01:04:31,484 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:31,484 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:04:31,484 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:31,484 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:31,484 INFO L85 PathProgramCache]: Analyzing trace with hash -635368558, now seen corresponding path program 3 times [2025-01-30 01:04:31,484 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:31,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773161878] [2025-01-30 01:04:31,484 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:04:31,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:31,489 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 3 equivalence classes. [2025-01-30 01:04:31,499 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 39 of 39 statements. [2025-01-30 01:04:31,499 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-30 01:04:31,499 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:31,569 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:31,569 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:31,569 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773161878] [2025-01-30 01:04:31,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773161878] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:04:31,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:04:31,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 01:04:31,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294651304] [2025-01-30 01:04:31,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:04:31,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-30 01:04:31,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:31,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-30 01:04:31,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-30 01:04:31,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:31,570 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:31,570 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 4 states have internal predecessors, (39), 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) [2025-01-30 01:04:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:04:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:31,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:31,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:31,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:31,728 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-30 01:04:31,728 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)] === [2025-01-30 01:04:31,728 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:31,728 INFO L139 ounterexampleChecker]: Examining path program with hash -1836779948, occurence #1 [2025-01-30 01:04:31,728 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:31,728 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:31,729 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:31,729 INFO L85 PathProgramCache]: Analyzing trace with hash 317972957, now seen corresponding path program 1 times [2025-01-30 01:04:31,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:31,729 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337287552] [2025-01-30 01:04:31,729 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:04:31,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:31,732 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-30 01:04:31,734 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-30 01:04:31,734 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:31,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:31,795 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:31,795 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:31,795 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337287552] [2025-01-30 01:04:31,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337287552] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:31,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1243857276] [2025-01-30 01:04:31,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:04:31,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:31,796 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:31,798 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) [2025-01-30 01:04:31,801 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 [2025-01-30 01:04:31,834 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-30 01:04:31,845 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-30 01:04:31,845 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:31,845 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:31,846 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-30 01:04:31,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:31,886 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 [2025-01-30 01:04:31,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:31,909 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:31,946 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-01-30 01:04:31,946 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 10 [2025-01-30 01:04:31,964 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:31,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1243857276] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:31,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:31,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-01-30 01:04:31,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956909127] [2025-01-30 01:04:31,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:31,964 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-30 01:04:31,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:31,965 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-30 01:04:31,965 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-01-30 01:04:31,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:31,965 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:31,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.888888888888889) internal successors, (44), 8 states have internal predecessors, (44), 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) [2025-01-30 01:04:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:31,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:32,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:32,065 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-30 01:04:32,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:32,260 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)] === [2025-01-30 01:04:32,260 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:32,260 INFO L139 ounterexampleChecker]: Examining path program with hash 1695363530, occurence #1 [2025-01-30 01:04:32,260 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:32,260 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:32,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:32,261 INFO L85 PathProgramCache]: Analyzing trace with hash 1754240103, now seen corresponding path program 2 times [2025-01-30 01:04:32,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:32,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327853867] [2025-01-30 01:04:32,261 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:04:32,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:32,265 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-01-30 01:04:32,268 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-01-30 01:04:32,268 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:04:32,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:32,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:32,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:32,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327853867] [2025-01-30 01:04:32,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1327853867] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:32,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [306354821] [2025-01-30 01:04:32,425 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:04:32,425 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:32,425 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:32,429 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) [2025-01-30 01:04:32,430 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 [2025-01-30 01:04:32,453 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-01-30 01:04:32,463 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-01-30 01:04:32,464 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:04:32,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:32,464 INFO L256 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-30 01:04:32,465 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:32,551 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 [2025-01-30 01:04:32,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:32,645 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:32,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:32,727 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 [2025-01-30 01:04:32,784 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:32,784 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 [2025-01-30 01:04:32,817 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:32,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [306354821] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:32,817 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:32,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 10] total 22 [2025-01-30 01:04:32,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535019676] [2025-01-30 01:04:32,817 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:32,817 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-30 01:04:32,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:32,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-30 01:04:32,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2025-01-30 01:04:32,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:32,818 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:32,818 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 3.4347826086956523) internal successors, (79), 22 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) [2025-01-30 01:04:32,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:32,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:32,818 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:32,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:32,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:32,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:32,819 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:33,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:33,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:33,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-30 01:04:33,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:33,334 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)] === [2025-01-30 01:04:33,334 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:33,334 INFO L139 ounterexampleChecker]: Examining path program with hash -763627843, occurence #1 [2025-01-30 01:04:33,334 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:33,334 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:33,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:33,334 INFO L85 PathProgramCache]: Analyzing trace with hash -696923514, now seen corresponding path program 3 times [2025-01-30 01:04:33,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:33,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467892537] [2025-01-30 01:04:33,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:04:33,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:33,338 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 42 statements into 2 equivalence classes. [2025-01-30 01:04:33,342 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-01-30 01:04:33,342 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 01:04:33,342 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:33,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:33,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:33,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [467892537] [2025-01-30 01:04:33,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [467892537] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:33,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961735477] [2025-01-30 01:04:33,595 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:04:33,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:33,595 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:33,596 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) [2025-01-30 01:04:33,598 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 [2025-01-30 01:04:33,617 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 42 statements into 2 equivalence classes. [2025-01-30 01:04:33,627 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-01-30 01:04:33,627 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 01:04:33,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:33,628 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 30 conjuncts are in the unsatisfiable core [2025-01-30 01:04:33,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:33,976 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:33,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:34,103 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:34,104 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 14 treesize of output 18 [2025-01-30 01:04:34,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:34,200 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 18 treesize of output 22 [2025-01-30 01:04:34,261 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:34,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961735477] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:34,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:34,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 34 [2025-01-30 01:04:34,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210012505] [2025-01-30 01:04:34,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:34,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-01-30 01:04:34,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:34,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-01-30 01:04:34,263 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1048, Unknown=0, NotChecked=0, Total=1190 [2025-01-30 01:04:34,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:34,264 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:34,264 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.6) internal successors, (91), 34 states have internal predecessors, (91), 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) [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:34,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:35,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:35,716 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-30 01:04:35,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:35,911 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)] === [2025-01-30 01:04:35,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:35,912 INFO L139 ounterexampleChecker]: Examining path program with hash -1836779948, occurence #2 [2025-01-30 01:04:35,912 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:04:35,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:04:35,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:35,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:04:35,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:35,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:04:35,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:35,912 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-30 01:04:35,912 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:35,912 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:04:35,912 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:35,912 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:35,912 INFO L85 PathProgramCache]: Analyzing trace with hash -1940794744, now seen corresponding path program 4 times [2025-01-30 01:04:35,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:35,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165056945] [2025-01-30 01:04:35,913 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:04:35,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:35,916 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 45 statements into 2 equivalence classes. [2025-01-30 01:04:35,929 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-30 01:04:35,929 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:04:35,929 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:36,054 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-30 01:04:36,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:36,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165056945] [2025-01-30 01:04:36,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165056945] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:36,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790962001] [2025-01-30 01:04:36,054 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:04:36,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:36,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:36,056 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) [2025-01-30 01:04:36,059 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 [2025-01-30 01:04:36,076 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 45 statements into 2 equivalence classes. [2025-01-30 01:04:36,085 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-30 01:04:36,085 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:04:36,085 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:36,086 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-30 01:04:36,087 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:36,149 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 [2025-01-30 01:04:36,163 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-30 01:04:36,164 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:36,207 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-01-30 01:04:36,207 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 10 [2025-01-30 01:04:36,237 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-30 01:04:36,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790962001] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:36,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:36,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 9 [2025-01-30 01:04:36,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105484174] [2025-01-30 01:04:36,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:36,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-30 01:04:36,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:36,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-30 01:04:36,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2025-01-30 01:04:36,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:36,239 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:36,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.5) internal successors, (55), 9 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) [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:36,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:36,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:04:36,383 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-01-30 01:04:36,577 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:36,577 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)] === [2025-01-30 01:04:36,577 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:36,578 INFO L139 ounterexampleChecker]: Examining path program with hash 1695363530, occurence #2 [2025-01-30 01:04:36,578 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:04:36,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:04:36,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:36,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:04:36,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:36,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:04:36,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:36,578 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-30 01:04:36,578 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:36,578 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:04:36,578 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:36,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:36,578 INFO L85 PathProgramCache]: Analyzing trace with hash -265005412, now seen corresponding path program 5 times [2025-01-30 01:04:36,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:36,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867815570] [2025-01-30 01:04:36,579 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:04:36,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:36,583 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 3 equivalence classes. [2025-01-30 01:04:36,605 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 50 of 50 statements. [2025-01-30 01:04:36,605 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-30 01:04:36,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:36,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:36,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:36,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867815570] [2025-01-30 01:04:36,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867815570] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:36,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [165136750] [2025-01-30 01:04:36,726 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:04:36,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:36,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:36,727 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) [2025-01-30 01:04:36,730 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 [2025-01-30 01:04:36,750 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 50 statements into 3 equivalence classes. [2025-01-30 01:04:36,762 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 50 of 50 statements. [2025-01-30 01:04:36,762 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-30 01:04:36,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:36,762 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-30 01:04:36,763 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:36,888 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-30 01:04:36,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:36,925 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:36,925 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 [2025-01-30 01:04:36,971 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:36,971 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 [2025-01-30 01:04:37,020 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-30 01:04:37,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [165136750] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:37,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:37,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 20 [2025-01-30 01:04:37,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048832870] [2025-01-30 01:04:37,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:37,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-30 01:04:37,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:37,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-30 01:04:37,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2025-01-30 01:04:37,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:37,021 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:37,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.666666666666667) internal successors, (98), 20 states have internal predecessors, (98), 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) [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:04:37,022 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:04:37,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-30 01:04:37,553 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-30 01:04:37,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:37,749 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)] === [2025-01-30 01:04:37,749 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:37,749 INFO L139 ounterexampleChecker]: Examining path program with hash -763627843, occurence #2 [2025-01-30 01:04:37,749 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:04:37,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:04:37,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:37,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:04:37,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:37,749 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:04:37,749 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:37,750 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:04:37,750 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:37,750 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:04:37,750 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:37,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:37,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1663800773, now seen corresponding path program 6 times [2025-01-30 01:04:37,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:37,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427489693] [2025-01-30 01:04:37,751 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:04:37,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:37,754 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 54 statements into 3 equivalence classes. [2025-01-30 01:04:37,773 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 54 of 54 statements. [2025-01-30 01:04:37,773 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-30 01:04:37,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:38,297 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:38,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:38,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427489693] [2025-01-30 01:04:38,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427489693] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:38,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769227575] [2025-01-30 01:04:38,297 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:04:38,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:38,297 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:38,299 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) [2025-01-30 01:04:38,301 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 [2025-01-30 01:04:38,321 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 54 statements into 3 equivalence classes. [2025-01-30 01:04:38,332 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 54 of 54 statements. [2025-01-30 01:04:38,332 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-30 01:04:38,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:38,333 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 48 conjuncts are in the unsatisfiable core [2025-01-30 01:04:38,335 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:39,075 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:39,588 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:39,589 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 36 treesize of output 58 [2025-01-30 01:04:39,874 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:39,874 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 58 treesize of output 76 [2025-01-30 01:04:39,941 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:39,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769227575] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:39,941 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:39,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 22, 22] total 53 [2025-01-30 01:04:39,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479036672] [2025-01-30 01:04:39,941 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:39,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-01-30 01:04:39,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:39,942 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-01-30 01:04:39,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=2621, Unknown=0, NotChecked=0, Total=2862 [2025-01-30 01:04:39,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:39,943 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:39,944 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.2777777777777777) internal successors, (123), 53 states have internal predecessors, (123), 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) [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-30 01:04:39,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:44,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-30 01:04:44,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:04:44,147 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-30 01:04:44,342 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:44,342 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)] === [2025-01-30 01:04:44,342 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:44,343 INFO L139 ounterexampleChecker]: Examining path program with hash -763627843, occurence #3 [2025-01-30 01:04:44,343 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:04:44,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:04:44,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:44,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:04:44,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:44,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:04:44,343 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:44,345 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-30 01:04:44,345 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:04:44,345 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:04:44,345 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:44,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:44,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1278751525, now seen corresponding path program 7 times [2025-01-30 01:04:44,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:44,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830171725] [2025-01-30 01:04:44,345 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:04:44,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:44,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-30 01:04:44,367 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-30 01:04:44,367 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:44,367 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:45,418 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 14 proven. 46 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2025-01-30 01:04:45,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:45,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830171725] [2025-01-30 01:04:45,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830171725] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:45,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732533713] [2025-01-30 01:04:45,418 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:04:45,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:45,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:45,424 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) [2025-01-30 01:04:45,425 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 [2025-01-30 01:04:45,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-01-30 01:04:45,458 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-01-30 01:04:45,459 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:04:45,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:45,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-01-30 01:04:45,461 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:04:47,040 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:47,040 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:04:48,374 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:48,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 65 treesize of output 189 [2025-01-30 01:04:49,064 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:04:49,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 59 treesize of output 183 [2025-01-30 01:04:49,186 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:04:49,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732533713] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:04:49,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:04:49,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 32, 32] total 83 [2025-01-30 01:04:49,186 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676376599] [2025-01-30 01:04:49,186 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:04:49,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-01-30 01:04:49,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:04:49,187 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-01-30 01:04:49,189 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=6525, Unknown=0, NotChecked=0, Total=6972 [2025-01-30 01:04:49,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:49,189 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:04:49,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 2.238095238095238) internal successors, (188), 83 states have internal predecessors, (188), 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) [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:04:49,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:04:56,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:56,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:04:56,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:04:56,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-01-30 01:04:56,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-30 01:04:57,147 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 [2025-01-30 01:04:57,147 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)] === [2025-01-30 01:04:57,147 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:04:57,147 INFO L139 ounterexampleChecker]: Examining path program with hash -1611533259, occurence #1 [2025-01-30 01:04:57,147 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:04:57,147 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:04:57,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:04:57,148 INFO L85 PathProgramCache]: Analyzing trace with hash 1420944294, now seen corresponding path program 8 times [2025-01-30 01:04:57,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:04:57,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085517294] [2025-01-30 01:04:57,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:04:57,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:04:57,151 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-01-30 01:04:57,168 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-01-30 01:04:57,168 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:04:57,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:58,418 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 4 proven. 89 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2025-01-30 01:04:58,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:04:58,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085517294] [2025-01-30 01:04:58,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085517294] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:04:58,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640108612] [2025-01-30 01:04:58,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:04:58,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:04:58,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:04:58,421 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) [2025-01-30 01:04:58,422 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 [2025-01-30 01:04:58,442 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 90 statements into 2 equivalence classes. [2025-01-30 01:04:58,459 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 90 of 90 statements. [2025-01-30 01:04:58,460 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:04:58,460 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:04:58,461 INFO L256 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 108 conjuncts are in the unsatisfiable core [2025-01-30 01:04:58,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:05:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:05:00,586 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:05:02,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:05:02,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 82 treesize of output 286 [2025-01-30 01:05:03,849 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:05:03,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 72 treesize of output 276 [2025-01-30 01:05:04,078 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:05:04,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640108612] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:05:04,078 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:05:04,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 102 [2025-01-30 01:05:04,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445594932] [2025-01-30 01:05:04,078 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:05:04,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-01-30 01:05:04,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:05:04,079 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-01-30 01:05:04,081 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=642, Invalid=9864, Unknown=0, NotChecked=0, Total=10506 [2025-01-30 01:05:04,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:05:04,081 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:05:04,081 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 2.2233009708737863) internal successors, (229), 102 states have internal predecessors, (229), 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) [2025-01-30 01:05:04,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:04,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:04,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:05:04,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:04,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:04,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:05:04,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:05:04,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:05:04,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:05:04,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2025-01-30 01:05:04,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:05:04,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-01-30 01:05:04,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:05:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:05:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:05:14,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:05:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:05:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:05:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:05:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:05:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2025-01-30 01:05:14,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2025-01-30 01:05:14,402 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-30 01:05:14,600 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 [2025-01-30 01:05:14,600 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)] === [2025-01-30 01:05:14,600 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:05:14,600 INFO L139 ounterexampleChecker]: Examining path program with hash 679895201, occurence #1 [2025-01-30 01:05:14,600 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:05:14,600 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:05:14,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:05:14,601 INFO L85 PathProgramCache]: Analyzing trace with hash -1432095592, now seen corresponding path program 9 times [2025-01-30 01:05:14,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:05:14,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406108099] [2025-01-30 01:05:14,601 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:05:14,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:05:14,604 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 6 equivalence classes. [2025-01-30 01:05:14,618 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 106 of 106 statements. [2025-01-30 01:05:14,619 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-30 01:05:14,619 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:05:14,721 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 1 proven. 30 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2025-01-30 01:05:14,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:05:14,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406108099] [2025-01-30 01:05:14,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406108099] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:05:14,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [179449167] [2025-01-30 01:05:14,722 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:05:14,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:05:14,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:05:14,724 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:05:14,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-01-30 01:05:14,747 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 106 statements into 6 equivalence classes. [2025-01-30 01:05:14,770 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 106 of 106 statements. [2025-01-30 01:05:14,770 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-01-30 01:05:14,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:05:14,771 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-01-30 01:05:14,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:05:14,860 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-30 01:05:14,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-30 01:05:14,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [179449167] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:05:14,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 01:05:14,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2025-01-30 01:05:14,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768496405] [2025-01-30 01:05:14,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:05:14,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-30 01:05:14,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:05:14,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-30 01:05:14,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-30 01:05:14,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:05:14,861 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:05:14,861 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 4 states have internal predecessors, (43), 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) [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2025-01-30 01:05:14,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:05:15,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-30 01:05:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-30 01:05:15,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:05:15,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-30 01:05:15,922 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-30 01:05:15,922 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:05:15,922 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:05:15,922 INFO L139 ounterexampleChecker]: Examining path program with hash 342487914, occurence #1 [2025-01-30 01:05:15,922 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:05:15,922 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:05:15,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:05:15,923 INFO L85 PathProgramCache]: Analyzing trace with hash -2028029033, now seen corresponding path program 10 times [2025-01-30 01:05:15,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:05:15,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547366326] [2025-01-30 01:05:15,923 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:05:15,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:05:15,926 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 110 statements into 2 equivalence classes. [2025-01-30 01:05:15,941 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-30 01:05:15,941 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:05:15,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:05:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-30 01:05:16,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:05:16,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547366326] [2025-01-30 01:05:16,128 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547366326] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:05:16,128 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996962573] [2025-01-30 01:05:16,128 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:05:16,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:05:16,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:05:16,130 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:05:16,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-01-30 01:05:16,154 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 110 statements into 2 equivalence classes. [2025-01-30 01:05:16,176 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-01-30 01:05:16,176 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:05:16,176 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:05:16,177 INFO L256 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 60 conjuncts are in the unsatisfiable core [2025-01-30 01:05:16,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:05:16,348 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 [2025-01-30 01:05:16,385 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 [2025-01-30 01:05:16,396 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-30 01:05:16,397 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:05:16,429 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:05:16,430 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 [2025-01-30 01:05:16,449 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:05:16,449 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 [2025-01-30 01:05:16,621 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-30 01:05:16,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996962573] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:05:16,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:05:16,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 17 [2025-01-30 01:05:16,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442110365] [2025-01-30 01:05:16,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:05:16,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-30 01:05:16,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:05:16,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-30 01:05:16,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2025-01-30 01:05:16,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:05:16,622 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:05:16,625 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.5) internal successors, (99), 17 states have internal predecessors, (99), 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) [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:05:16,626 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:17,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:05:17,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-30 01:05:17,119 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-01-30 01:05:17,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:05:17,318 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:05:17,318 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:05:17,318 INFO L139 ounterexampleChecker]: Examining path program with hash -351291539, occurence #1 [2025-01-30 01:05:17,318 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:05:17,318 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:05:17,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:05:17,318 INFO L85 PathProgramCache]: Analyzing trace with hash -891400672, now seen corresponding path program 11 times [2025-01-30 01:05:17,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:05:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171029844] [2025-01-30 01:05:17,320 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:05:17,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:05:17,324 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 114 statements into 6 equivalence classes. [2025-01-30 01:05:17,369 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 114 of 114 statements. [2025-01-30 01:05:17,373 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-30 01:05:17,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:05:18,589 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2025-01-30 01:05:18,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:05:18,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171029844] [2025-01-30 01:05:18,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171029844] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:05:18,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367446546] [2025-01-30 01:05:18,590 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:05:18,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:05:18,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:05:18,592 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:05:18,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-01-30 01:05:18,616 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 114 statements into 6 equivalence classes. [2025-01-30 01:05:18,644 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 114 of 114 statements. [2025-01-30 01:05:18,644 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-01-30 01:05:18,644 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:05:18,645 WARN L254 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 162 conjuncts are in the unsatisfiable core [2025-01-30 01:05:18,647 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:05:23,161 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:05:23,161 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:05:28,780 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,782 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,783 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,783 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,784 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,784 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,784 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,789 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,789 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,790 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,790 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,792 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,792 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,793 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,796 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,797 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,799 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,799 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,801 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,801 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,803 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:28,904 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:05:28,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 130 treesize of output 336 [2025-01-30 01:05:29,778 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,779 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,780 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,781 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,782 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,782 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,783 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,783 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,783 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,784 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,784 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,785 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,785 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,785 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,789 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,789 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,790 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,792 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,793 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,793 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,794 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:05:29,895 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:05:29,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 125 treesize of output 325 [2025-01-30 01:05:30,347 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:05:30,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367446546] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:05:30,347 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:05:30,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 60, 58] total 138 [2025-01-30 01:05:30,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164823045] [2025-01-30 01:05:30,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:05:30,348 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2025-01-30 01:05:30,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:05:30,349 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2025-01-30 01:05:30,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1295, Invalid=17887, Unknown=0, NotChecked=0, Total=19182 [2025-01-30 01:05:30,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:05:30,352 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:05:30,352 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 1.9928057553956835) internal successors, (277), 138 states have internal predecessors, (277), 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) [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-30 01:05:30,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-30 01:06:18,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2025-01-30 01:06:18,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-30 01:06:18,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-30 01:06:18,446 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:06:18,446 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:06:18,446 INFO L139 ounterexampleChecker]: Examining path program with hash -351291539, occurence #2 [2025-01-30 01:06:18,446 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:06:18,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:06:18,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:06:18,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:06:18,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:06:18,446 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:06:18,446 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:06:18,447 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-30 01:06:18,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:06:18,461 INFO L85 PathProgramCache]: Analyzing trace with hash 938865278, now seen corresponding path program 1 times [2025-01-30 01:06:18,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:06:18,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460339999] [2025-01-30 01:06:18,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:06:18,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:06:18,465 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-30 01:06:18,473 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-30 01:06:18,473 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:06:18,474 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:06:18,565 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2025-01-30 01:06:18,565 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-30 01:06:18,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460339999] [2025-01-30 01:06:18,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460339999] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:06:18,566 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1145155121] [2025-01-30 01:06:18,566 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:06:18,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:06:18,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-01-30 01:06:18,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-01-30 01:06:18,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:06:18,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:06:18,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-30 01:06:18,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:06:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2025-01-30 01:06:18,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1145155121] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:06:18,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 01:06:18,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-01-30 01:06:18,628 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 104. Constructing proof automaton... [2025-01-30 01:06:18,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:06:18,629 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-30 01:06:18,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:06:18,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-30 01:06:18,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-30 01:06:18,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-30 01:06:18,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:18,629 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:06:18,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 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) [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2025-01-30 01:06:18,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:24,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-30 01:06:24,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:24,230 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-30 01:06:24,231 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:06:24,231 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:06:24,231 INFO L139 ounterexampleChecker]: Examining path program with hash -1288960453, occurence #1 [2025-01-30 01:06:24,231 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:06:24,231 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:06:24,231 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:06:24,231 INFO L85 PathProgramCache]: Analyzing trace with hash -1459310534, now seen corresponding path program 12 times [2025-01-30 01:06:24,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:06:24,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120406911] [2025-01-30 01:06:24,232 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:06:24,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:06:24,237 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 120 statements into 8 equivalence classes. [2025-01-30 01:06:24,265 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 120 of 120 statements. [2025-01-30 01:06:24,266 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-01-30 01:06:24,266 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:06:24,485 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 89 proven. 114 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-01-30 01:06:24,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:06:24,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120406911] [2025-01-30 01:06:24,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120406911] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:06:24,486 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112082802] [2025-01-30 01:06:24,486 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:06:24,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:06:24,486 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:06:24,487 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:06:24,489 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-30 01:06:24,518 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 120 statements into 8 equivalence classes. [2025-01-30 01:06:24,547 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) and asserted 120 of 120 statements. [2025-01-30 01:06:24,547 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2025-01-30 01:06:24,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:06:24,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 25 conjuncts are in the unsatisfiable core [2025-01-30 01:06:24,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:06:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 65 proven. 71 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-30 01:06:24,697 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:06:24,722 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-30 01:06:24,723 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 14 [2025-01-30 01:06:24,855 INFO L134 CoverageAnalysis]: Checked inductivity of 281 backedges. 65 proven. 71 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-30 01:06:24,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112082802] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:06:24,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:06:24,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 16 [2025-01-30 01:06:24,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561538544] [2025-01-30 01:06:24,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:06:24,856 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-30 01:06:24,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:06:24,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-30 01:06:24,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=217, Unknown=0, NotChecked=0, Total=272 [2025-01-30 01:06:24,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:24,857 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:06:24,857 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 16 states have internal predecessors, (109), 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) [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:24,857 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:25,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:06:25,171 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-01-30 01:06:25,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:06:25,369 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:06:25,369 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:06:25,372 INFO L139 ounterexampleChecker]: Examining path program with hash -215808348, occurence #1 [2025-01-30 01:06:25,372 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:06:25,373 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:06:25,373 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:06:25,373 INFO L85 PathProgramCache]: Analyzing trace with hash -367340343, now seen corresponding path program 13 times [2025-01-30 01:06:25,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:06:25,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274074136] [2025-01-30 01:06:25,373 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:06:25,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:06:25,378 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-30 01:06:25,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-30 01:06:25,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:06:25,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:06:25,610 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 57 proven. 115 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2025-01-30 01:06:25,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:06:25,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274074136] [2025-01-30 01:06:25,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274074136] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:06:25,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645570263] [2025-01-30 01:06:25,610 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:06:25,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:06:25,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:06:25,612 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:06:25,614 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-30 01:06:25,635 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 129 statements into 1 equivalence classes. [2025-01-30 01:06:25,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 129 of 129 statements. [2025-01-30 01:06:25,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:06:25,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:06:25,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 312 conjuncts, 40 conjuncts are in the unsatisfiable core [2025-01-30 01:06:25,662 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:06:25,792 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-30 01:06:25,792 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:06:25,856 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-30 01:06:25,856 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 14 [2025-01-30 01:06:25,931 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2025-01-30 01:06:25,932 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645570263] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:06:25,932 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:06:25,932 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 21 [2025-01-30 01:06:25,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454861415] [2025-01-30 01:06:25,932 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:06:25,932 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-30 01:06:25,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:06:25,932 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-30 01:06:25,933 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2025-01-30 01:06:25,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:25,933 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:06:25,933 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.318181818181818) internal successors, (139), 21 states have internal predecessors, (139), 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) [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:06:25,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:26,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:06:26,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:26,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-30 01:06:26,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:06:26,583 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:06:26,583 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:06:26,583 INFO L139 ounterexampleChecker]: Examining path program with hash -215808348, occurence #2 [2025-01-30 01:06:26,583 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:06:26,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:06:26,583 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:06:26,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:06:26,583 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:06:26,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:06:26,583 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:06:26,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-30 01:06:26,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:06:26,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-30 01:06:26,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:06:26,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-30 01:06:26,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:06:26,592 INFO L85 PathProgramCache]: Analyzing trace with hash -325346144, now seen corresponding path program 1 times [2025-01-30 01:06:26,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:06:26,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688696673] [2025-01-30 01:06:26,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:06:26,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:06:26,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-01-30 01:06:26,598 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-01-30 01:06:26,598 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:06:26,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:06:26,632 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2025-01-30 01:06:26,632 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-30 01:06:26,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688696673] [2025-01-30 01:06:26,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688696673] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:06:26,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:06:26,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-30 01:06:26,633 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 93. Constructing proof automaton... [2025-01-30 01:06:26,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:06:26,633 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-30 01:06:26,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-30 01:06:26,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-30 01:06:26,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-30 01:06:26,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-30 01:06:26,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:26,634 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:06:26,634 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:26,634 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 133 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 132 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:26,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:06:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:48,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 325 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:06:48,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-30 01:06:48,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-30 01:06:48,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-30 01:06:48,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-30 01:06:48,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-30 01:06:48,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-01-30 01:06:48,363 INFO L422 BasicCegarLoop]: Path program histogram: [13, 3, 1, 1] [2025-01-30 01:06:48,365 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-30 01:06:48,365 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-30 01:06:48,373 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 [2025-01-30 01:06:48,374 INFO L201 PluginConnector]: Adding new model queue-add-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:06:48 BasicIcfg [2025-01-30 01:06:48,374 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-30 01:06:48,374 INFO L158 Benchmark]: Toolchain (without parser) took 139614.42ms. Allocated memory was 167.8MB in the beginning and 939.5MB in the end (delta: 771.8MB). Free memory was 99.3MB in the beginning and 728.6MB in the end (delta: -629.3MB). Peak memory consumption was 135.3MB. Max. memory is 16.0GB. [2025-01-30 01:06:48,374 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:06:48,374 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.28ms. Allocated memory is still 167.8MB. Free memory was 99.3MB in the beginning and 98.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:06:48,375 INFO L158 Benchmark]: Boogie Preprocessor took 18.74ms. Allocated memory is still 167.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:06:48,375 INFO L158 Benchmark]: RCFGBuilder took 243.86ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 87.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-30 01:06:48,375 INFO L158 Benchmark]: TraceAbstraction took 139325.96ms. Allocated memory was 167.8MB in the beginning and 939.5MB in the end (delta: 771.8MB). Free memory was 86.4MB in the beginning and 728.6MB in the end (delta: -642.2MB). Peak memory consumption was 126.9MB. Max. memory is 16.0GB. [2025-01-30 01:06:48,376 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.17ms. Allocated memory is still 167.8MB. Free memory is still 101.2MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 22.28ms. Allocated memory is still 167.8MB. Free memory was 99.3MB in the beginning and 98.1MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 18.74ms. Allocated memory is still 167.8MB. Free memory is still 98.1MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 243.86ms. Allocated memory is still 167.8MB. Free memory was 98.1MB in the beginning and 87.5MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 139325.96ms. Allocated memory was 167.8MB in the beginning and 939.5MB in the end (delta: 771.8MB). Free memory was 86.4MB in the beginning and 728.6MB in the end (delta: -642.2MB). Peak memory consumption was 126.9MB. 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: 21457, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 5015, dependent conditional: 5012, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16489, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 47, dependent conditional: 44, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16489, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 47, dependent conditional: 44, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17991, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 1549, dependent conditional: 1546, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17991, independent: 16442, independent conditional: 405, independent unconditional: 16037, dependent: 1549, dependent conditional: 257, dependent unconditional: 1292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17991, independent: 16442, independent conditional: 405, independent unconditional: 16037, dependent: 1549, dependent conditional: 257, dependent unconditional: 1292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 877, independent: 835, independent conditional: 30, independent unconditional: 805, dependent: 42, dependent conditional: 39, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 877, independent: 800, independent conditional: 0, independent unconditional: 800, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 42, dependent conditional: 39, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 42, dependent conditional: 39, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 781, independent: 390, independent conditional: 280, independent unconditional: 110, dependent: 391, dependent conditional: 335, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 17991, independent: 15607, independent conditional: 375, independent unconditional: 15232, dependent: 1507, dependent conditional: 218, dependent unconditional: 1289, unknown: 877, unknown conditional: 69, unknown unconditional: 808] , Statistics on independence cache: Total cache size (in pairs): 879, Positive cache size: 837, Positive conditional cache size: 32, Positive unconditional cache size: 805, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16362, Maximal queried relation: 18, Independence queries for same thread: 4968, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 205, Number of trivial persistent sets: 141, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 967, independent: 964, independent conditional: 0, independent unconditional: 964, 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: 21457, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 5015, dependent conditional: 5012, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16489, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 47, dependent conditional: 44, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 16489, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 47, dependent conditional: 44, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17991, independent: 16442, independent conditional: 15478, independent unconditional: 964, dependent: 1549, dependent conditional: 1546, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 17991, independent: 16442, independent conditional: 405, independent unconditional: 16037, dependent: 1549, dependent conditional: 257, dependent unconditional: 1292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 17991, independent: 16442, independent conditional: 405, independent unconditional: 16037, dependent: 1549, dependent conditional: 257, dependent unconditional: 1292, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 877, independent: 835, independent conditional: 30, independent unconditional: 805, dependent: 42, dependent conditional: 39, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 877, independent: 800, independent conditional: 0, independent unconditional: 800, dependent: 77, dependent conditional: 0, dependent unconditional: 77, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 77, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 42, dependent conditional: 39, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 77, independent: 35, independent conditional: 30, independent unconditional: 5, dependent: 42, dependent conditional: 39, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 781, independent: 390, independent conditional: 280, independent unconditional: 110, dependent: 391, dependent conditional: 335, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 17991, independent: 15607, independent conditional: 375, independent unconditional: 15232, dependent: 1507, dependent conditional: 218, dependent unconditional: 1289, unknown: 877, unknown conditional: 69, unknown unconditional: 808] , Statistics on independence cache: Total cache size (in pairs): 879, Positive cache size: 837, Positive conditional cache size: 32, Positive unconditional cache size: 805, Negative cache size: 42, Negative conditional cache size: 39, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16362, Maximal queried relation: 18, Independence queries for same thread: 4968 - PositiveResult [Line: 88]: 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, 63 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 139.2s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 13, EmptinessCheckTime: 102.8s, 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: 1085, 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, 0.6s SatisfiabilityAnalysisTime, 31.8s InterpolantComputationTime, 2232 NumberOfCodeBlocks, 2232 NumberOfCodeBlocksAsserted, 85 NumberOfCheckSat, 3119 ConstructedInterpolants, 0 QuantifiedInterpolants, 40208 SizeOfPredicates, 135 NumberOfNonLiveVariables, 2600 ConjunctsInSsa, 661 ConjunctsInUnsatCore, 46 InterpolantComputations, 5 PerfectInterpolantSequences, 2232/3849 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]: 232, ConditionCalculationTime [ms]: 22, ConditionCalculations: 4, 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! [2025-01-30 01:06:48,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...