/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-more/queue-add-3-nl.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-30 01:48:27,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-30 01:48:27,664 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 01:48:27,669 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-30 01:48:27,670 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-30 01:48:27,688 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-30 01:48:27,689 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-30 01:48:27,689 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-30 01:48:27,689 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-30 01:48:27,689 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-30 01:48:27,689 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-30 01:48:27,689 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-30 01:48:27,689 INFO L153 SettingsManager]: * Use SBE=true [2025-01-30 01:48:27,690 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-30 01:48:27,690 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-30 01:48:27,690 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-30 01:48:27,690 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-30 01:48:27,690 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-30 01:48:27,690 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-30 01:48:27,690 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-30 01:48:27,691 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:48:27,691 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-30 01:48:27,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-30 01:48:27,692 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-30 01:48:27,692 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-30 01:48:27,692 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-30 01:48:27,692 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-30 01:48:27,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-30 01:48:27,692 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-30 01:48:27,692 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-30 01:48:27,692 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 01:48:27,908 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-30 01:48:27,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-30 01:48:27,916 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-30 01:48:27,917 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-30 01:48:27,918 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-30 01:48:27,918 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl [2025-01-30 01:48:27,919 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/queue-add-3-nl.wvr.bpl' [2025-01-30 01:48:27,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-30 01:48:27,943 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-30 01:48:27,944 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-30 01:48:27,944 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-30 01:48:27,944 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-30 01:48:27,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,956 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,961 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-30 01:48:27,962 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-30 01:48:27,963 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-30 01:48:27,963 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-30 01:48:27,963 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-30 01:48:27,968 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,970 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,970 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,972 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,974 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,975 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,976 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-30 01:48:27,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-30 01:48:27,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-30 01:48:27,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-30 01:48:27,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/1) ... [2025-01-30 01:48:27,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:48:27,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:28,001 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 01:48:28,005 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 01:48:28,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-30 01:48:28,026 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-30 01:48:28,026 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-30 01:48:28,026 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-30 01:48:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-30 01:48:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-30 01:48:28,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-30 01:48:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-30 01:48:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-30 01:48:28,027 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-30 01:48:28,027 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-30 01:48:28,027 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-30 01:48:28,027 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 01:48:28,070 INFO L234 CfgBuilder]: Building ICFG [2025-01-30 01:48:28,071 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-30 01:48:28,161 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-30 01:48:28,161 INFO L283 CfgBuilder]: Performing block encoding [2025-01-30 01:48:28,182 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-30 01:48:28,182 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-30 01:48:28,182 INFO L201 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:48:28 BoogieIcfgContainer [2025-01-30 01:48:28,182 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-30 01:48:28,184 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-30 01:48:28,184 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-30 01:48:28,187 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-30 01:48:28,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:48:27" (1/2) ... [2025-01-30 01:48:28,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c511c1d and model type queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:48:28, skipping insertion in model container [2025-01-30 01:48:28,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:48:28" (2/2) ... [2025-01-30 01:48:28,189 INFO L128 eAbstractionObserver]: Analyzing ICFG queue-add-3-nl.wvr.bpl [2025-01-30 01:48:28,199 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-30 01:48:28,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG queue-add-3-nl.wvr.bpl that has 4 procedures, 40 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-01-30 01:48:28,203 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-30 01:48:28,243 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-30 01:48:28,271 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:48:28,272 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-30 01:48:28,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:28,274 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 01:48:28,275 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 01:48:28,325 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-30 01:48:28,338 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-30 01:48:28,343 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;@4107be66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:48:28,343 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-30 01:48:28,467 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 01:48:28,467 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:28,468 INFO L139 ounterexampleChecker]: Examining path program with hash -68249989, occurence #1 [2025-01-30 01:48:28,468 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:28,468 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:28,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:28,471 INFO L85 PathProgramCache]: Analyzing trace with hash 222704596, now seen corresponding path program 1 times [2025-01-30 01:48:28,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:28,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71819373] [2025-01-30 01:48:28,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:48:28,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:28,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 22 statements into 1 equivalence classes. [2025-01-30 01:48:28,531 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 22 of 22 statements. [2025-01-30 01:48:28,532 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:28,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:28,587 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 01:48:28,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:28,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71819373] [2025-01-30 01:48:28,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [71819373] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:48:28,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:48:28,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 01:48:28,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490524375] [2025-01-30 01:48:28,592 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:48:28,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 01:48:28,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:28,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 01:48:28,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 01:48:28,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:28,614 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:28,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 01:48:28,617 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:28,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:28,752 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-30 01:48:28,752 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 01:48:28,753 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:28,753 INFO L139 ounterexampleChecker]: Examining path program with hash 224129305, occurence #1 [2025-01-30 01:48:28,753 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:28,753 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:28,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:28,753 INFO L85 PathProgramCache]: Analyzing trace with hash -2122283812, now seen corresponding path program 1 times [2025-01-30 01:48:28,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:28,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233648768] [2025-01-30 01:48:28,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:48:28,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:28,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-01-30 01:48:28,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-01-30 01:48:28,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:28,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:28,825 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 01:48:28,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:28,825 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233648768] [2025-01-30 01:48:28,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233648768] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:48:28,825 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:48:28,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-30 01:48:28,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526460501] [2025-01-30 01:48:28,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:48:28,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 01:48:28,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:28,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 01:48:28,827 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 01:48:28,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:28,827 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:28,827 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:48:28,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:28,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:28,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-30 01:48:28,896 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 01:48:28,896 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:28,896 INFO L139 ounterexampleChecker]: Examining path program with hash 451230732, occurence #1 [2025-01-30 01:48:28,897 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:28,897 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:28,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:28,897 INFO L85 PathProgramCache]: Analyzing trace with hash 653104152, now seen corresponding path program 1 times [2025-01-30 01:48:28,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:28,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620653859] [2025-01-30 01:48:28,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:48:28,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:28,902 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-30 01:48:28,913 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-30 01:48:28,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:28,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:29,515 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 01:48:29,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:29,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620653859] [2025-01-30 01:48:29,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620653859] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:29,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394536215] [2025-01-30 01:48:29,516 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:48:29,516 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:29,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:29,518 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 01:48:29,520 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 01:48:29,551 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-01-30 01:48:29,564 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-01-30 01:48:29,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:29,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:29,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-30 01:48:29,572 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:30,022 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 01:48:30,022 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:30,328 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 01:48:30,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394536215] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:48:30,329 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:48:30,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 25 [2025-01-30 01:48:30,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579918018] [2025-01-30 01:48:30,329 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:48:30,330 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-30 01:48:30,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:30,330 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-30 01:48:30,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=536, Unknown=0, NotChecked=0, Total=650 [2025-01-30 01:48:30,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:30,331 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:30,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.076923076923077) internal successors, (80), 25 states have internal predecessors, (80), 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 01:48:30,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:30,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:30,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:30,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:48:30,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-30 01:48:30,904 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 01:48:30,904 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 01:48:30,904 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:30,904 INFO L139 ounterexampleChecker]: Examining path program with hash -1601203132, occurence #1 [2025-01-30 01:48:30,904 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:30,904 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:30,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:30,905 INFO L85 PathProgramCache]: Analyzing trace with hash -716209398, now seen corresponding path program 2 times [2025-01-30 01:48:30,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:30,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491865298] [2025-01-30 01:48:30,905 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:48:30,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:30,909 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-01-30 01:48:30,913 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-01-30 01:48:30,913 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:48:30,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:30,954 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 01:48:30,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:30,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491865298] [2025-01-30 01:48:30,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491865298] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:30,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213553905] [2025-01-30 01:48:30,955 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:48:30,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:30,955 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:30,957 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 01:48:30,959 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 01:48:30,983 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 38 statements into 2 equivalence classes. [2025-01-30 01:48:30,995 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 38 of 38 statements. [2025-01-30 01:48:30,995 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:48:30,995 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:30,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-30 01:48:30,997 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:31,037 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 01:48:31,038 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-30 01:48:31,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213553905] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:48:31,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 01:48:31,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-01-30 01:48:31,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359199441] [2025-01-30 01:48:31,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:48:31,038 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:48:31,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:31,039 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:48:31,039 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-30 01:48:31,039 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:31,039 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:31,039 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:48:31,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:48:31,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:48:31,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,089 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 01:48:31,283 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 01:48:31,284 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 01:48:31,284 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:31,284 INFO L139 ounterexampleChecker]: Examining path program with hash 963069186, occurence #1 [2025-01-30 01:48:31,284 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:31,284 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:31,284 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:31,284 INFO L85 PathProgramCache]: Analyzing trace with hash -448290272, now seen corresponding path program 3 times [2025-01-30 01:48:31,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:31,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804137771] [2025-01-30 01:48:31,285 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:48:31,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:31,296 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 39 statements into 2 equivalence classes. [2025-01-30 01:48:31,301 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-01-30 01:48:31,303 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 01:48:31,303 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:31,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:48:31,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:31,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804137771] [2025-01-30 01:48:31,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [804137771] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:48:31,350 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:48:31,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 01:48:31,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138494335] [2025-01-30 01:48:31,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:48:31,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-30 01:48:31,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:31,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-30 01:48:31,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-30 01:48:31,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:31,351 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:31,351 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 01:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-01-30 01:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:31,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,489 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-30 01:48:31,489 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 01:48:31,489 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:31,489 INFO L139 ounterexampleChecker]: Examining path program with hash -2107895761, occurence #1 [2025-01-30 01:48:31,489 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:31,490 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:31,490 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:31,490 INFO L85 PathProgramCache]: Analyzing trace with hash 941427440, now seen corresponding path program 1 times [2025-01-30 01:48:31,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:31,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011634789] [2025-01-30 01:48:31,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:48:31,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:31,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-30 01:48:31,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-30 01:48:31,496 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:31,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:31,551 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 01:48:31,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:31,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011634789] [2025-01-30 01:48:31,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011634789] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:31,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978985899] [2025-01-30 01:48:31,551 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:48:31,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:31,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:31,553 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 01:48:31,555 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 01:48:31,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-01-30 01:48:31,590 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-01-30 01:48:31,590 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:31,590 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:31,591 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-30 01:48:31,592 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:31,626 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 01:48:31,655 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 01:48:31,656 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:31,694 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-01-30 01:48:31,694 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 01:48:31,706 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 01:48:31,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978985899] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:48:31,706 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:48:31,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-01-30 01:48:31,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184629798] [2025-01-30 01:48:31,706 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:48:31,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-30 01:48:31,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:31,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-30 01:48:31,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-01-30 01:48:31,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:31,707 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:31,707 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:48:31,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:31,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:31,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:31,810 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-30 01:48:32,004 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 01:48:32,005 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 01:48:32,005 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:32,005 INFO L139 ounterexampleChecker]: Examining path program with hash -1815516467, occurence #1 [2025-01-30 01:48:32,005 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:32,005 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:32,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:32,006 INFO L85 PathProgramCache]: Analyzing trace with hash -657942792, now seen corresponding path program 2 times [2025-01-30 01:48:32,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:32,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666819023] [2025-01-30 01:48:32,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:48:32,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:32,014 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-01-30 01:48:32,019 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-01-30 01:48:32,019 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:48:32,019 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:32,124 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 01:48:32,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:32,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666819023] [2025-01-30 01:48:32,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666819023] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:32,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660904465] [2025-01-30 01:48:32,124 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:48:32,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:32,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:32,126 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 01:48:32,130 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 01:48:32,149 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 43 statements into 2 equivalence classes. [2025-01-30 01:48:32,160 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 43 of 43 statements. [2025-01-30 01:48:32,160 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:48:32,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:32,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-30 01:48:32,163 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:32,265 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 01:48:32,373 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 01:48:32,373 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:32,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:32,422 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 01:48:32,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:32,463 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 01:48:32,497 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 01:48:32,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660904465] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:48:32,498 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:48:32,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 7] total 20 [2025-01-30 01:48:32,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684502268] [2025-01-30 01:48:32,498 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:48:32,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-30 01:48:32,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:32,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-30 01:48:32,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=361, Unknown=0, NotChecked=0, Total=420 [2025-01-30 01:48:32,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:32,499 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:32,499 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.0) internal successors, (84), 20 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:48:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:32,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:32,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:32,741 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 01:48:32,935 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 01:48:32,935 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 01:48:32,935 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:32,935 INFO L139 ounterexampleChecker]: Examining path program with hash -1588415040, occurence #1 [2025-01-30 01:48:32,935 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:48:32,935 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:32,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:32,936 INFO L85 PathProgramCache]: Analyzing trace with hash 61371260, now seen corresponding path program 3 times [2025-01-30 01:48:32,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:32,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818341358] [2025-01-30 01:48:32,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:48:32,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:32,941 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 2 equivalence classes. [2025-01-30 01:48:32,957 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-01-30 01:48:32,957 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 01:48:32,957 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:33,632 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 01:48:33,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:33,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818341358] [2025-01-30 01:48:33,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818341358] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:33,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133805837] [2025-01-30 01:48:33,633 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:48:33,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:33,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:33,635 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 01:48:33,636 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 01:48:33,656 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 2 equivalence classes. [2025-01-30 01:48:33,667 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 48 of 48 statements. [2025-01-30 01:48:33,667 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-01-30 01:48:33,667 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:33,668 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-01-30 01:48:33,670 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:34,516 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 01:48:34,516 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:34,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:34,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 29 [2025-01-30 01:48:35,036 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:35,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 28 [2025-01-30 01:48:35,167 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 01:48:35,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133805837] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:48:35,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:48:35,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 20, 20] total 53 [2025-01-30 01:48:35,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994709922] [2025-01-30 01:48:35,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:48:35,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-01-30 01:48:35,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:35,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-01-30 01:48:35,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=2631, Unknown=0, NotChecked=0, Total=2862 [2025-01-30 01:48:35,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:35,170 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:35,172 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 2.1481481481481484) internal successors, (116), 53 states have internal predecessors, (116), 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 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:35,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:37,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:37,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:37,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:37,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:37,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:37,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:48:37,537 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 01:48:37,732 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 01:48:37,732 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 01:48:37,732 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:37,732 INFO L139 ounterexampleChecker]: Examining path program with hash -2107895761, occurence #2 [2025-01-30 01:48:37,732 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:48:37,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:48:37,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:37,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:48:37,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:37,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:48:37,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:37,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 49 [2025-01-30 01:48:37,733 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:37,733 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-30 01:48:37,733 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:48:37,733 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:48:37,733 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:37,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:37,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1943115860, now seen corresponding path program 4 times [2025-01-30 01:48:37,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:37,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943410894] [2025-01-30 01:48:37,734 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:48:37,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:37,741 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-01-30 01:48:37,750 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-30 01:48:37,750 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:48:37,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:37,938 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:48:37,938 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:37,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943410894] [2025-01-30 01:48:37,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [943410894] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:37,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777865770] [2025-01-30 01:48:37,938 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:48:37,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:37,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:37,940 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 01:48:37,942 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 01:48:37,964 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 52 statements into 2 equivalence classes. [2025-01-30 01:48:37,977 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-01-30 01:48:37,977 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:48:37,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:37,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-01-30 01:48:37,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:38,026 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 01:48:38,048 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-30 01:48:38,048 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:38,073 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-01-30 01:48:38,073 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 01:48:38,095 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-30 01:48:38,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1777865770] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:48:38,095 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:48:38,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 6, 6] total 13 [2025-01-30 01:48:38,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1429427023] [2025-01-30 01:48:38,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:48:38,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-30 01:48:38,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:38,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-30 01:48:38,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2025-01-30 01:48:38,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:38,096 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:38,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.0) internal successors, (84), 13 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:48:38,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:48:38,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:38,260 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 01:48:38,455 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 01:48:38,455 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 01:48:38,455 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:38,455 INFO L139 ounterexampleChecker]: Examining path program with hash -1815516467, occurence #2 [2025-01-30 01:48:38,455 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:48:38,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:48:38,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:38,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:48:38,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:38,455 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:48:38,455 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:38,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-30 01:48:38,456 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:38,456 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-30 01:48:38,456 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:48:38,456 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:48:38,456 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:38,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:38,456 INFO L85 PathProgramCache]: Analyzing trace with hash -166819492, now seen corresponding path program 5 times [2025-01-30 01:48:38,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:38,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763466000] [2025-01-30 01:48:38,456 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:48:38,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:38,460 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 58 statements into 3 equivalence classes. [2025-01-30 01:48:38,467 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 58 of 58 statements. [2025-01-30 01:48:38,467 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-30 01:48:38,467 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:38,694 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:48:38,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:38,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763466000] [2025-01-30 01:48:38,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763466000] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:38,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [874921640] [2025-01-30 01:48:38,694 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:48:38,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:38,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:38,696 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 01:48:38,698 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 01:48:38,719 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 58 statements into 3 equivalence classes. [2025-01-30 01:48:38,734 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) and asserted 58 of 58 statements. [2025-01-30 01:48:38,734 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2025-01-30 01:48:38,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:38,735 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-30 01:48:38,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:38,822 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 23 treesize of output 17 [2025-01-30 01:48:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-30 01:48:38,889 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:38,979 INFO L349 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2025-01-30 01:48:38,979 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 12 treesize of output 11 [2025-01-30 01:48:39,007 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-30 01:48:39,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [874921640] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:48:39,007 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:48:39,007 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 23 [2025-01-30 01:48:39,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36605614] [2025-01-30 01:48:39,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:48:39,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-30 01:48:39,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:39,008 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-30 01:48:39,008 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2025-01-30 01:48:39,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:39,008 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:39,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 4.666666666666667) internal successors, (112), 23 states have internal predecessors, (112), 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 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:39,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:48:39,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:39,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-30 01:48:39,653 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 01:48:39,848 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 01:48:39,848 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 01:48:39,848 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:39,848 INFO L139 ounterexampleChecker]: Examining path program with hash -1588415040, occurence #2 [2025-01-30 01:48:39,848 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:48:39,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:48:39,848 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:39,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:48:39,848 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:39,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:48:39,848 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:39,848 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-30 01:48:39,849 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:39,849 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-30 01:48:39,849 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:48:39,849 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:48:39,849 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:39,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:39,849 INFO L85 PathProgramCache]: Analyzing trace with hash 149839768, now seen corresponding path program 6 times [2025-01-30 01:48:39,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:39,849 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241034598] [2025-01-30 01:48:39,849 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:48:39,849 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:39,852 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 63 statements into 3 equivalence classes. [2025-01-30 01:48:39,865 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 63 of 63 statements. [2025-01-30 01:48:39,865 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-30 01:48:39,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:40,911 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:48:40,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:40,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241034598] [2025-01-30 01:48:40,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241034598] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:40,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414009778] [2025-01-30 01:48:40,911 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:48:40,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:40,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:40,913 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 01:48:40,914 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 01:48:40,935 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 63 statements into 3 equivalence classes. [2025-01-30 01:48:40,949 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 63 of 63 statements. [2025-01-30 01:48:40,949 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-01-30 01:48:40,949 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:40,950 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 72 conjuncts are in the unsatisfiable core [2025-01-30 01:48:40,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:48:42,432 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:43,448 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:43,448 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 42 treesize of output 66 [2025-01-30 01:48:43,816 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:43,816 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 39 treesize of output 63 [2025-01-30 01:48:43,913 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:48:43,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414009778] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:48:43,913 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:48:43,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 29, 29] total 80 [2025-01-30 01:48:43,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388254122] [2025-01-30 01:48:43,913 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:48:43,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-01-30 01:48:43,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:48:43,914 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-01-30 01:48:43,916 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=326, Invalid=6154, Unknown=0, NotChecked=0, Total=6480 [2025-01-30 01:48:43,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:43,916 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:48:43,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 1.9876543209876543) internal successors, (161), 80 states have internal predecessors, (161), 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 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-30 01:48:43,916 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-01-30 01:48:50,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:48:50,719 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 01:48:50,913 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 01:48:50,914 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 01:48:50,914 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:48:50,914 INFO L139 ounterexampleChecker]: Examining path program with hash -1588415040, occurence #3 [2025-01-30 01:48:50,914 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:48:50,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:48:50,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:50,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:48:50,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:50,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:48:50,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:50,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-30 01:48:50,914 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:48:50,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-30 01:48:50,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:48:50,915 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:48:50,915 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:48:50,915 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:48:50,915 INFO L85 PathProgramCache]: Analyzing trace with hash 1981680408, now seen corresponding path program 7 times [2025-01-30 01:48:50,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:48:50,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944634798] [2025-01-30 01:48:50,916 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:48:50,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:48:50,919 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-30 01:48:50,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-30 01:48:50,942 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:50,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:52,847 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 18 proven. 62 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-30 01:48:52,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:48:52,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944634798] [2025-01-30 01:48:52,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944634798] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:48:52,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302510688] [2025-01-30 01:48:52,847 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:48:52,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:48:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:48:52,849 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 01:48:52,849 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 01:48:52,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 93 statements into 1 equivalence classes. [2025-01-30 01:48:52,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 93 of 93 statements. [2025-01-30 01:48:52,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:48:52,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:48:52,893 WARN L254 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 124 conjuncts are in the unsatisfiable core [2025-01-30 01:48:52,897 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:48:56,119 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:48:56,119 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:48:59,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:59,153 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 76 treesize of output 200 [2025-01-30 01:48:59,880 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:48:59,881 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 01:49:00,057 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:49:00,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302510688] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:49:00,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:49:00,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 47, 47] total 127 [2025-01-30 01:49:00,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782657590] [2025-01-30 01:49:00,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:49:00,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2025-01-30 01:49:00,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:49:00,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2025-01-30 01:49:00,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=655, Invalid=15601, Unknown=0, NotChecked=0, Total=16256 [2025-01-30 01:49:00,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:49:00,061 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:49:00,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 1.8671875) internal successors, (239), 127 states have internal predecessors, (239), 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 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:49:00,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:49:14,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-30 01:49:14,595 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 01:49:14,789 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 01:49:14,790 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 01:49:14,790 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:49:14,790 INFO L139 ounterexampleChecker]: Examining path program with hash -275075856, occurence #1 [2025-01-30 01:49:14,790 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:49:14,790 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:49:14,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:49:14,790 INFO L85 PathProgramCache]: Analyzing trace with hash 972792516, now seen corresponding path program 8 times [2025-01-30 01:49:14,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:49:14,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967392643] [2025-01-30 01:49:14,791 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:49:14,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:49:14,794 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-01-30 01:49:14,807 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-01-30 01:49:14,808 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:49:14,808 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:49:15,227 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-30 01:49:15,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:49:15,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967392643] [2025-01-30 01:49:15,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967392643] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:49:15,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716862859] [2025-01-30 01:49:15,227 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:49:15,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:49:15,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:49:15,229 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 01:49:15,231 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 01:49:15,257 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 118 statements into 2 equivalence classes. [2025-01-30 01:49:15,279 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 118 of 118 statements. [2025-01-30 01:49:15,279 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:49:15,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:49:15,281 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-01-30 01:49:15,282 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:49:15,507 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2025-01-30 01:49:15,507 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-30 01:49:15,507 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716862859] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:49:15,507 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 01:49:15,507 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [16] total 19 [2025-01-30 01:49:15,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552589498] [2025-01-30 01:49:15,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:49:15,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-30 01:49:15,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:49:15,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-30 01:49:15,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=332, Unknown=0, NotChecked=0, Total=380 [2025-01-30 01:49:15,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:49:15,508 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:49:15,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.636363636363637) internal successors, (62), 10 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 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-30 01:49:15,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-30 01:49:15,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:49:15,729 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 01:49:15,924 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 01:49:15,924 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 01:49:15,924 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:49:15,924 INFO L139 ounterexampleChecker]: Examining path program with hash 1967457576, occurence #1 [2025-01-30 01:49:15,924 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:49:15,924 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:49:15,924 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:49:15,925 INFO L85 PathProgramCache]: Analyzing trace with hash -2074361890, now seen corresponding path program 9 times [2025-01-30 01:49:15,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:49:15,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330062364] [2025-01-30 01:49:15,925 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:49:15,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:49:15,928 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 123 statements into 5 equivalence classes. [2025-01-30 01:49:15,954 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 123 of 123 statements. [2025-01-30 01:49:15,954 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-01-30 01:49:15,954 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:49:18,867 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 20 proven. 90 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2025-01-30 01:49:18,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:49:18,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330062364] [2025-01-30 01:49:18,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330062364] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:49:18,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734727608] [2025-01-30 01:49:18,868 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:49:18,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:49:18,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:49:18,869 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 01:49:18,870 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 01:49:18,895 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 123 statements into 5 equivalence classes. [2025-01-30 01:49:18,930 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) and asserted 123 of 123 statements. [2025-01-30 01:49:18,931 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-01-30 01:49:18,931 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:49:18,933 WARN L254 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 176 conjuncts are in the unsatisfiable core [2025-01-30 01:49:18,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:49:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:49:26,303 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:49:36,307 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:49:36,308 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 117 treesize of output 417 [2025-01-30 01:49:41,400 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:49:41,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 241 treesize of output 523 [2025-01-30 01:49:42,663 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 0 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:49:42,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734727608] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:49:42,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:49:42,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57, 68, 68] total 180 [2025-01-30 01:49:42,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931297465] [2025-01-30 01:49:42,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:49:42,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2025-01-30 01:49:42,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:49:42,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2025-01-30 01:49:42,672 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1005, Invalid=31575, Unknown=0, NotChecked=0, Total=32580 [2025-01-30 01:49:42,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:49:42,672 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:49:42,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 1.7734806629834254) internal successors, (321), 180 states have internal predecessors, (321), 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 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:49:42,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:50:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-30 01:50:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:50:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2025-01-30 01:50:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:23,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2025-01-30 01:50:23,968 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 01:50:24,163 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 01:50:24,163 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 01:50:24,163 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:50:24,164 INFO L139 ounterexampleChecker]: Examining path program with hash 1967457576, occurence #2 [2025-01-30 01:50:24,164 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:50:24,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:50:24,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:50:24,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:50:24,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:50:24,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:50:24,164 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:50:24,164 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-30 01:50:24,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:50:24,175 INFO L85 PathProgramCache]: Analyzing trace with hash -450440519, now seen corresponding path program 1 times [2025-01-30 01:50:24,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:50:24,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59550752] [2025-01-30 01:50:24,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:50:24,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:50:24,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-30 01:50:24,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-30 01:50:24,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:50:24,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:50:24,258 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2025-01-30 01:50:24,259 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-30 01:50:24,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59550752] [2025-01-30 01:50:24,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59550752] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:50:24,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [495191471] [2025-01-30 01:50:24,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:50:24,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:50:24,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 113 statements into 1 equivalence classes. [2025-01-30 01:50:24,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 113 of 113 statements. [2025-01-30 01:50:24,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:50:24,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:50:24,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-30 01:50:24,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:50:24,300 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 138 trivial. 0 not checked. [2025-01-30 01:50:24,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [495191471] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:50:24,300 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 01:50:24,300 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2025-01-30 01:50:24,302 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 112. Constructing proof automaton... [2025-01-30 01:50:24,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:50:24,302 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-30 01:50:24,302 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:50:24,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-30 01:50:24,303 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-30 01:50:24,303 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-01-30 01:50:24,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:24,303 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:50:24,303 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 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 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 110 states. [2025-01-30 01:50:24,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 152 states. [2025-01-30 01:50:24,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:24,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2025-01-30 01:50:24,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:29,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-30 01:50:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-01-30 01:50:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-01-30 01:50:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2025-01-30 01:50:29,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:50:29,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-01-30 01:50:29,578 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 01:50:29,578 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:50:29,578 INFO L139 ounterexampleChecker]: Examining path program with hash 1168397139, occurence #1 [2025-01-30 01:50:29,578 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:50:29,578 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:50:29,578 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:50:29,578 INFO L85 PathProgramCache]: Analyzing trace with hash -654851108, now seen corresponding path program 10 times [2025-01-30 01:50:29,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:50:29,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41331983] [2025-01-30 01:50:29,578 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:50:29,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:50:29,582 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 131 statements into 2 equivalence classes. [2025-01-30 01:50:29,593 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-30 01:50:29,593 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:50:29,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:50:29,797 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 56 proven. 122 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2025-01-30 01:50:29,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:50:29,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41331983] [2025-01-30 01:50:29,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41331983] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:50:29,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108409465] [2025-01-30 01:50:29,797 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:50:29,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:50:29,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:50:29,799 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 01:50:29,800 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 01:50:29,826 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 131 statements into 2 equivalence classes. [2025-01-30 01:50:29,850 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 131 of 131 statements. [2025-01-30 01:50:29,850 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:50:29,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:50:29,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-30 01:50:29,852 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:50:29,972 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 01:50:29,987 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-30 01:50:29,987 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:50:30,037 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-30 01:50:30,037 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 12 [2025-01-30 01:50:30,096 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-30 01:50:30,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108409465] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:50:30,096 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:50:30,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 7] total 17 [2025-01-30 01:50:30,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932146231] [2025-01-30 01:50:30,096 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:50:30,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-30 01:50:30,097 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:50:30,097 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-30 01:50:30,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=252, Unknown=0, NotChecked=0, Total=306 [2025-01-30 01:50:30,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:30,097 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:50:30,097 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.166666666666667) internal successors, (129), 17 states have internal predecessors, (129), 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 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2025-01-30 01:50:30,097 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:50:30,098 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2025-01-30 01:50:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:50:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:50:30,441 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-30 01:50:30,636 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-30 01:50:30,636 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 01:50:30,636 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:50:30,636 INFO L139 ounterexampleChecker]: Examining path program with hash 1687877860, occurence #1 [2025-01-30 01:50:30,636 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:50:30,636 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:50:30,637 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:50:30,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1634047596, now seen corresponding path program 11 times [2025-01-30 01:50:30,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:50:30,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80756429] [2025-01-30 01:50:30,637 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:50:30,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:50:30,641 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 146 statements into 7 equivalence classes. [2025-01-30 01:50:30,695 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 146 of 146 statements. [2025-01-30 01:50:30,695 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-30 01:50:30,695 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:50:30,853 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-30 01:50:30,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:50:30,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80756429] [2025-01-30 01:50:30,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80756429] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:50:30,854 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216965870] [2025-01-30 01:50:30,854 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:50:30,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:50:30,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:50:30,855 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 01:50:30,857 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 01:50:30,880 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 146 statements into 7 equivalence classes. [2025-01-30 01:50:30,913 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 146 of 146 statements. [2025-01-30 01:50:30,913 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-30 01:50:30,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:50:30,914 INFO L256 TraceCheckSpWp]: Trace formula consists of 348 conjuncts, 34 conjuncts are in the unsatisfiable core [2025-01-30 01:50:30,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:50:31,050 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 01:50:31,066 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-30 01:50:31,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:50:31,125 INFO L349 Elim1Store]: treesize reduction 5, result has 50.0 percent of original size [2025-01-30 01:50:31,125 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 12 [2025-01-30 01:50:31,194 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 82 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-01-30 01:50:31,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216965870] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:50:31,194 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:50:31,194 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2025-01-30 01:50:31,194 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1716139360] [2025-01-30 01:50:31,194 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:50:31,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-30 01:50:31,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:50:31,195 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-30 01:50:31,195 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2025-01-30 01:50:31,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:31,195 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:50:31,195 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 8.266666666666667) internal successors, (124), 14 states have internal predecessors, (124), 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 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:50:31,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:31,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:50:31,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:31,499 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-30 01:50:31,694 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,SelfDestructingSolverStorable17 [2025-01-30 01:50:31,695 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 01:50:31,695 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:50:31,695 INFO L139 ounterexampleChecker]: Examining path program with hash 1687877860, occurence #2 [2025-01-30 01:50:31,695 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:50:31,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:50:31,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:50:31,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-01-30 01:50:31,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:50:31,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-30 01:50:31,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:50:31,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-30 01:50:31,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:50:31,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-01-30 01:50:31,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:50:31,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-01-30 01:50:31,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:50:31,704 INFO L85 PathProgramCache]: Analyzing trace with hash -821843088, now seen corresponding path program 1 times [2025-01-30 01:50:31,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:50:31,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554252391] [2025-01-30 01:50:31,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:50:31,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:50:31,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-30 01:50:31,711 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-30 01:50:31,711 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:50:31,711 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:50:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2025-01-30 01:50:31,746 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-01-30 01:50:31,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554252391] [2025-01-30 01:50:31,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554252391] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:50:31,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:50:31,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-01-30 01:50:31,746 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 99. Constructing proof automaton... [2025-01-30 01:50:31,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:50:31,747 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-01-30 01:50:31,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-30 01:50:31,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-01-30 01:50:31,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-01-30 01:50:31,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-01-30 01:50:31,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:31,747 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:50:31,747 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2025-01-30 01:50:31,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2025-01-30 01:50:31,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-01-30 01:50:31,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2025-01-30 01:50:31,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:50:31,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:50:31,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-01-30 01:50:31,748 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:50:47,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-01-30 01:50:47,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-30 01:50:47,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-30 01:50:47,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-30 01:50:47,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-30 01:50:47,406 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-30 01:50:47,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2025-01-30 01:50:47,410 INFO L422 BasicCegarLoop]: Path program histogram: [11, 3, 1, 1] [2025-01-30 01:50:47,412 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-30 01:50:47,412 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-30 01:50:47,419 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-30 01:50:47,420 INFO L201 PluginConnector]: Adding new model queue-add-3-nl.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:50:47 BasicIcfg [2025-01-30 01:50:47,420 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-30 01:50:47,420 INFO L158 Benchmark]: Toolchain (without parser) took 139477.85ms. Allocated memory was 167.8MB in the beginning and 847.2MB in the end (delta: 679.5MB). Free memory was 100.5MB in the beginning and 385.8MB in the end (delta: -285.3MB). Peak memory consumption was 398.1MB. Max. memory is 16.0GB. [2025-01-30 01:50:47,421 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.15ms. Allocated memory is still 167.8MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:50:47,421 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.84ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 94.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:50:47,421 INFO L158 Benchmark]: Boogie Preprocessor took 12.47ms. Allocated memory is still 167.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:50:47,422 INFO L158 Benchmark]: RCFGBuilder took 205.99ms. Allocated memory is still 167.8MB. Free memory was 94.2MB in the beginning and 82.7MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. [2025-01-30 01:50:47,422 INFO L158 Benchmark]: TraceAbstraction took 139235.76ms. Allocated memory was 167.8MB in the beginning and 847.2MB in the end (delta: 679.5MB). Free memory was 81.6MB in the beginning and 385.8MB in the end (delta: -304.2MB). Peak memory consumption was 381.3MB. Max. memory is 16.0GB. [2025-01-30 01:50:47,424 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 0.15ms. Allocated memory is still 167.8MB. Free memory is still 101.5MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 18.84ms. Allocated memory is still 167.8MB. Free memory was 99.4MB in the beginning and 94.2MB in the end (delta: 5.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 12.47ms. Allocated memory is still 167.8MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 205.99ms. Allocated memory is still 167.8MB. Free memory was 94.2MB in the beginning and 82.7MB in the end (delta: 11.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.0GB. * TraceAbstraction took 139235.76ms. Allocated memory was 167.8MB in the beginning and 847.2MB in the end (delta: 679.5MB). Free memory was 81.6MB in the beginning and 385.8MB in the end (delta: -304.2MB). Peak memory consumption was 381.3MB. 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: 22474, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 4863, dependent conditional: 4860, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17647, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 36, dependent conditional: 33, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17647, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 36, dependent conditional: 33, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19013, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 1402, dependent conditional: 1399, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19013, independent: 17611, independent conditional: 425, independent unconditional: 17186, dependent: 1402, dependent conditional: 237, dependent unconditional: 1165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19013, independent: 17611, independent conditional: 425, independent unconditional: 17186, dependent: 1402, dependent conditional: 237, dependent unconditional: 1165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1077, independent: 1042, independent conditional: 32, independent unconditional: 1010, dependent: 35, dependent conditional: 32, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1077, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 72, independent: 37, independent conditional: 32, independent unconditional: 5, dependent: 35, dependent conditional: 32, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, independent: 37, independent conditional: 32, independent unconditional: 5, dependent: 35, dependent conditional: 32, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 653, independent: 366, independent conditional: 226, independent unconditional: 140, dependent: 287, dependent conditional: 225, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 19013, independent: 16569, independent conditional: 393, independent unconditional: 16176, dependent: 1367, dependent conditional: 205, dependent unconditional: 1162, unknown: 1077, unknown conditional: 64, unknown unconditional: 1013] , Statistics on independence cache: Total cache size (in pairs): 1079, Positive cache size: 1044, Positive conditional cache size: 34, Positive unconditional cache size: 1010, Negative cache size: 35, Negative conditional cache size: 32, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17092, Maximal queried relation: 16, Independence queries for same thread: 4827, Persistent sets #1 benchmarks: Persistent set computation time: 0.3s, Number of persistent set computation: 271, Number of trivial persistent sets: 200, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1259, independent: 1256, independent conditional: 0, independent unconditional: 1256, 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: 22474, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 4863, dependent conditional: 4860, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17647, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 36, dependent conditional: 33, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 17647, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 36, dependent conditional: 33, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19013, independent: 17611, independent conditional: 16355, independent unconditional: 1256, dependent: 1402, dependent conditional: 1399, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19013, independent: 17611, independent conditional: 425, independent unconditional: 17186, dependent: 1402, dependent conditional: 237, dependent unconditional: 1165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19013, independent: 17611, independent conditional: 425, independent unconditional: 17186, dependent: 1402, dependent conditional: 237, dependent unconditional: 1165, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1077, independent: 1042, independent conditional: 32, independent unconditional: 1010, dependent: 35, dependent conditional: 32, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1077, independent: 1005, independent conditional: 0, independent unconditional: 1005, dependent: 72, dependent conditional: 0, dependent unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 72, independent: 37, independent conditional: 32, independent unconditional: 5, dependent: 35, dependent conditional: 32, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 72, independent: 37, independent conditional: 32, independent unconditional: 5, dependent: 35, dependent conditional: 32, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 653, independent: 366, independent conditional: 226, independent unconditional: 140, dependent: 287, dependent conditional: 225, dependent unconditional: 62, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 19013, independent: 16569, independent conditional: 393, independent unconditional: 16176, dependent: 1367, dependent conditional: 205, dependent unconditional: 1162, unknown: 1077, unknown conditional: 64, unknown unconditional: 1013] , Statistics on independence cache: Total cache size (in pairs): 1079, Positive cache size: 1044, Positive conditional cache size: 34, Positive unconditional cache size: 1010, Negative cache size: 35, Negative conditional cache size: 32, Negative unconditional cache size: 3, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 17092, Maximal queried relation: 16, Independence queries for same thread: 4827 - PositiveResult [Line: 96]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 139.1s, OverallIterations: 18, TraceHistogramMax: 0, PathProgramHistogramMax: 11, EmptinessCheckTime: 88.8s, 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: 935, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 46.4s InterpolantComputationTime, 2055 NumberOfCodeBlocks, 2055 NumberOfCodeBlocksAsserted, 66 NumberOfCheckSat, 2842 ConstructedInterpolants, 0 QuantifiedInterpolants, 42672 SizeOfPredicates, 111 NumberOfNonLiveVariables, 2397 ConjunctsInSsa, 626 ConjunctsInUnsatCore, 40 InterpolantComputations, 5 PerfectInterpolantSequences, 1368/2714 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]: 189, ConditionCalculationTime [ms]: 18, ConditionCalculations: 8, 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 01:50:47,466 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...