/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/send-receive.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-a343466-m [2025-01-30 01:08:30,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-30 01:08:30,738 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 01:08:30,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-30 01:08:30,742 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-30 01:08:30,756 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-30 01:08:30,756 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-30 01:08:30,756 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-30 01:08:30,757 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-30 01:08:30,757 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-30 01:08:30,757 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-30 01:08:30,757 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-30 01:08:30,757 INFO L153 SettingsManager]: * Use SBE=true [2025-01-30 01:08:30,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-30 01:08:30,757 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-30 01:08:30,757 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-30 01:08:30,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-30 01:08:30,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-30 01:08:30,758 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:08:30,759 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-30 01:08:30,759 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-30 01:08:30,759 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 01:08:31,007 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-30 01:08:31,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-30 01:08:31,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-30 01:08:31,018 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-30 01:08:31,020 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-30 01:08:31,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2025-01-30 01:08:31,022 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2025-01-30 01:08:31,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-30 01:08:31,057 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-30 01:08:31,058 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-30 01:08:31,058 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-30 01:08:31,058 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-30 01:08:31,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,071 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,076 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-30 01:08:31,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-30 01:08:31,079 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-30 01:08:31,079 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-30 01:08:31,079 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-30 01:08:31,083 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,083 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,086 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,087 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,091 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,093 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-30 01:08:31,094 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-30 01:08:31,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-30 01:08:31,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-30 01:08:31,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/1) ... [2025-01-30 01:08:31,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-30 01:08:31,111 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:31,126 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 01:08:31,132 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 01:08:31,155 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-30 01:08:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-30 01:08:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-30 01:08:31,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-30 01:08:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-30 01:08:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-30 01:08:31,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-30 01:08:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-30 01:08:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-30 01:08:31,156 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-30 01:08:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-30 01:08:31,156 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-30 01:08:31,157 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 01:08:31,194 INFO L234 CfgBuilder]: Building ICFG [2025-01-30 01:08:31,196 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-30 01:08:31,279 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-30 01:08:31,280 INFO L283 CfgBuilder]: Performing block encoding [2025-01-30 01:08:31,305 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-30 01:08:31,305 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-30 01:08:31,306 INFO L201 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:08:31 BoogieIcfgContainer [2025-01-30 01:08:31,306 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-30 01:08:31,308 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-30 01:08:31,308 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-30 01:08:31,312 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-30 01:08:31,312 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 30.01 01:08:31" (1/2) ... [2025-01-30 01:08:31,312 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f4ccd14 and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.01 01:08:31, skipping insertion in model container [2025-01-30 01:08:31,313 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.01 01:08:31" (2/2) ... [2025-01-30 01:08:31,313 INFO L128 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2025-01-30 01:08:31,325 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-30 01:08:31,328 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG send-receive.wvr.bpl that has 4 procedures, 28 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-30 01:08:31,328 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-30 01:08:31,363 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-30 01:08:31,407 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:08:31,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-30 01:08:31,407 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:31,409 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 01:08:31,411 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 01:08:31,470 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-30 01:08:31,487 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-30 01:08:31,494 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;@63cf42bb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-30 01:08:31,494 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-30 01:08:31,714 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 01:08:31,714 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:31,714 INFO L139 ounterexampleChecker]: Examining path program with hash 1610936040, occurence #1 [2025-01-30 01:08:31,714 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:31,714 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:31,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:31,718 INFO L85 PathProgramCache]: Analyzing trace with hash -2046495706, now seen corresponding path program 1 times [2025-01-30 01:08:31,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:31,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755648141] [2025-01-30 01:08:31,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:08:31,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:31,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:08:31,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:08:31,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:08:31,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:31,862 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 01:08:31,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:31,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755648141] [2025-01-30 01:08:31,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755648141] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:08:31,863 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:08:31,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-30 01:08:31,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771350609] [2025-01-30 01:08:31,868 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:08:31,871 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:08:31,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:31,884 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:08:31,884 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-30 01:08:31,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:31,905 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:31,906 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-30 01:08:31,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:32,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:32,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-30 01:08:32,370 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 01:08:32,370 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:32,370 INFO L139 ounterexampleChecker]: Examining path program with hash -2125742231, occurence #1 [2025-01-30 01:08:32,371 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:32,371 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:32,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:32,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1419046988, now seen corresponding path program 1 times [2025-01-30 01:08:32,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:32,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302716209] [2025-01-30 01:08:32,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:08:32,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:32,375 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-30 01:08:32,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-30 01:08:32,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:08:32,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:32,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:32,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:32,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302716209] [2025-01-30 01:08:32,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302716209] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:08:32,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-30 01:08:32,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-30 01:08:32,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151897964] [2025-01-30 01:08:32,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:08:32,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-30 01:08:32,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:32,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-30 01:08:32,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-30 01:08:32,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:32,454 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:32,454 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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 01:08:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:32,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:32,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:32,526 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-30 01:08:32,527 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 01:08:32,527 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:32,527 INFO L139 ounterexampleChecker]: Examining path program with hash -1740875340, occurence #1 [2025-01-30 01:08:32,527 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:32,527 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:32,527 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:32,527 INFO L85 PathProgramCache]: Analyzing trace with hash 2061731028, now seen corresponding path program 2 times [2025-01-30 01:08:32,527 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:32,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504256005] [2025-01-30 01:08:32,528 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:08:32,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:32,539 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-30 01:08:32,547 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-30 01:08:32,547 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:08:32,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:32,700 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 01:08:32,700 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504256005] [2025-01-30 01:08:32,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504256005] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:32,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709945186] [2025-01-30 01:08:32,700 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:08:32,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:32,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:32,702 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 01:08:32,704 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 01:08:32,725 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-30 01:08:32,731 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-30 01:08:32,731 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:08:32,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:32,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-30 01:08:32,735 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:32,811 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 01:08:32,811 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:08:32,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:08:32,874 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 22 treesize of output 24 [2025-01-30 01:08:32,940 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 01:08:32,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709945186] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:08:32,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:08:32,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2025-01-30 01:08:32,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715501964] [2025-01-30 01:08:32,940 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:08:32,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-01-30 01:08:32,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:32,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-01-30 01:08:32,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2025-01-30 01:08:32,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:32,941 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:32,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 9 states have internal predecessors, (36), 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 01:08:32,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:32,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:32,942 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:33,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:33,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:33,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:33,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-30 01:08:33,531 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 01:08:33,531 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 01:08:33,531 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:33,531 INFO L139 ounterexampleChecker]: Examining path program with hash 1847159708, occurence #1 [2025-01-30 01:08:33,531 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:33,531 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:33,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:33,532 INFO L85 PathProgramCache]: Analyzing trace with hash 549701242, now seen corresponding path program 3 times [2025-01-30 01:08:33,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:33,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093852415] [2025-01-30 01:08:33,532 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:08:33,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:33,540 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 29 statements into 3 equivalence classes. [2025-01-30 01:08:33,544 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:08:33,544 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-30 01:08:33,544 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:33,587 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 01:08:33,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:33,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093852415] [2025-01-30 01:08:33,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093852415] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:33,588 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1333200720] [2025-01-30 01:08:33,588 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:08:33,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:33,588 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:33,590 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 01:08:33,592 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 01:08:33,613 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 29 statements into 3 equivalence classes. [2025-01-30 01:08:33,623 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:08:33,623 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-30 01:08:33,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:33,623 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-30 01:08:33,624 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:33,640 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 01:08:33,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:08:33,660 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 01:08:33,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1333200720] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:08:33,660 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:08:33,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4 [2025-01-30 01:08:33,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659926128] [2025-01-30 01:08:33,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:08:33,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:08:33,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:33,661 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:08:33,661 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-30 01:08:33,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:33,661 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:33,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 4 states have internal predecessors, (29), 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 01:08:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:33,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:33,705 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-30 01:08:33,900 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 01:08:33,900 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 01:08:33,900 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:33,900 INFO L139 ounterexampleChecker]: Examining path program with hash -1614792432, occurence #1 [2025-01-30 01:08:33,900 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:33,900 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:33,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:33,901 INFO L85 PathProgramCache]: Analyzing trace with hash 385380954, now seen corresponding path program 1 times [2025-01-30 01:08:33,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:33,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224864067] [2025-01-30 01:08:33,901 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:08:33,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:33,903 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-30 01:08:33,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:08:33,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:08:33,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:33,945 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 01:08:33,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:33,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [224864067] [2025-01-30 01:08:33,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [224864067] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:33,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012919137] [2025-01-30 01:08:33,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:08:33,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:33,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:33,947 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 01:08:33,949 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 01:08:33,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-01-30 01:08:33,973 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:08:33,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:08:33,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:33,974 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-30 01:08:33,974 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:33,992 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 01:08:33,992 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-30 01:08:33,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012919137] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-30 01:08:33,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-30 01:08:33,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-01-30 01:08:33,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796180314] [2025-01-30 01:08:33,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-30 01:08:33,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-30 01:08:33,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:33,993 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-30 01:08:33,993 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-30 01:08:33,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:33,993 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:33,993 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) 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 01:08:33,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:33,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:33,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:33,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:33,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:34,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:34,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:34,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:34,093 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-30 01:08:34,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:34,290 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 01:08:34,290 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:34,290 INFO L139 ounterexampleChecker]: Examining path program with hash -1583125070, occurence #1 [2025-01-30 01:08:34,290 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:34,290 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:34,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:34,291 INFO L85 PathProgramCache]: Analyzing trace with hash 393423650, now seen corresponding path program 2 times [2025-01-30 01:08:34,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:34,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040967191] [2025-01-30 01:08:34,291 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:08:34,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:34,293 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-01-30 01:08:34,300 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:08:34,300 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:08:34,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:34,466 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:34,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:34,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040967191] [2025-01-30 01:08:34,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040967191] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:34,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1815913614] [2025-01-30 01:08:34,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:08:34,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:34,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:34,468 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 01:08:34,469 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 01:08:34,485 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 29 statements into 2 equivalence classes. [2025-01-30 01:08:34,492 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 29 of 29 statements. [2025-01-30 01:08:34,492 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:08:34,492 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:34,492 INFO L256 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-30 01:08:34,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:34,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:08:34,709 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:08:34,709 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 60 [2025-01-30 01:08:34,802 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:34,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1815913614] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:08:34,802 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:08:34,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2025-01-30 01:08:34,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803870383] [2025-01-30 01:08:34,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:08:34,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-01-30 01:08:34,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:34,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-01-30 01:08:34,803 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2025-01-30 01:08:34,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:34,803 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:34,804 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.2941176470588234) internal successors, (56), 16 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 01:08:34,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:34,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:34,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:34,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:34,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:34,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:35,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:35,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:35,276 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 01:08:35,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:35,471 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 01:08:35,471 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:35,471 INFO L139 ounterexampleChecker]: Examining path program with hash -1583125070, occurence #2 [2025-01-30 01:08:35,471 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:08:35,471 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:08:35,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:08:35,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:08:35,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:08:35,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:08:35,472 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:08:35,472 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:08:35,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:35,489 INFO L85 PathProgramCache]: Analyzing trace with hash 822021227, now seen corresponding path program 1 times [2025-01-30 01:08:35,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:08:35,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455709064] [2025-01-30 01:08:35,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:08:35,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:35,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:08:35,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:08:35,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:08:35,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:08:35,495 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:08:35,495 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:08:35,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:08:35,512 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:35,512 INFO L85 PathProgramCache]: Analyzing trace with hash -1853147205, now seen corresponding path program 1 times [2025-01-30 01:08:35,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:08:35,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560367126] [2025-01-30 01:08:35,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:08:35,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:35,514 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:08:35,516 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:08:35,516 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:08:35,516 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:08:35,517 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:08:35,517 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:08:35,517 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:08:35,517 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-30 01:08:35,517 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:08:35,517 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:08:35,517 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:35,517 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:35,517 INFO L85 PathProgramCache]: Analyzing trace with hash 1693683408, now seen corresponding path program 3 times [2025-01-30 01:08:35,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:35,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546976373] [2025-01-30 01:08:35,518 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:08:35,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:35,520 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-01-30 01:08:35,528 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-01-30 01:08:35,528 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-30 01:08:35,528 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:35,783 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:35,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:35,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546976373] [2025-01-30 01:08:35,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [546976373] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:35,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318840073] [2025-01-30 01:08:35,784 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:08:35,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:35,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:35,786 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 01:08:35,787 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 01:08:35,804 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 35 statements into 4 equivalence classes. [2025-01-30 01:08:35,814 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 35 of 35 statements. [2025-01-30 01:08:35,814 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-30 01:08:35,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:35,816 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-30 01:08:35,817 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:35,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:35,952 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:08:36,171 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:08:36,172 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 114 [2025-01-30 01:08:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:36,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318840073] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:08:36,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:08:36,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 20 [2025-01-30 01:08:36,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788737863] [2025-01-30 01:08:36,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:08:36,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-30 01:08:36,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:36,341 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-30 01:08:36,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2025-01-30 01:08:36,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:36,342 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:36,342 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.4761904761904763) internal successors, (73), 20 states have internal predecessors, (73), 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 01:08:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:36,342 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:37,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:08:37,366 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-30 01:08:37,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:37,564 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 01:08:37,564 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:37,564 INFO L139 ounterexampleChecker]: Examining path program with hash -1521596401, occurence #1 [2025-01-30 01:08:37,564 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:37,564 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:37,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:37,565 INFO L85 PathProgramCache]: Analyzing trace with hash -1199921430, now seen corresponding path program 4 times [2025-01-30 01:08:37,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:37,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115709054] [2025-01-30 01:08:37,565 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:08:37,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:37,568 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 61 statements into 2 equivalence classes. [2025-01-30 01:08:37,591 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-30 01:08:37,591 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:08:37,591 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:38,201 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 1 proven. 74 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-30 01:08:38,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:38,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115709054] [2025-01-30 01:08:38,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115709054] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:38,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1350173945] [2025-01-30 01:08:38,202 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:08:38,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:38,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:38,204 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 01:08:38,205 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 01:08:38,222 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 61 statements into 2 equivalence classes. [2025-01-30 01:08:38,232 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-01-30 01:08:38,233 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:08:38,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:38,233 INFO L256 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-01-30 01:08:38,235 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:38,803 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 20 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:38,803 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:08:39,549 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:08:39,550 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 118 treesize of output 400 [2025-01-30 01:08:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 5 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:40,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1350173945] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:08:40,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:08:40,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17, 16] total 37 [2025-01-30 01:08:40,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638128961] [2025-01-30 01:08:40,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:08:40,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2025-01-30 01:08:40,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:40,083 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2025-01-30 01:08:40,083 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=234, Invalid=1172, Unknown=0, NotChecked=0, Total=1406 [2025-01-30 01:08:40,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:40,084 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:40,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 3.763157894736842) internal successors, (143), 37 states have internal predecessors, (143), 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 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:08:40,084 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:08:42,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:08:42,579 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-30 01:08:42,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:42,774 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 01:08:42,774 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:42,774 INFO L139 ounterexampleChecker]: Examining path program with hash -510237628, occurence #1 [2025-01-30 01:08:42,774 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:42,774 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:42,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:42,774 INFO L85 PathProgramCache]: Analyzing trace with hash 2054761128, now seen corresponding path program 5 times [2025-01-30 01:08:42,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:42,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [553297494] [2025-01-30 01:08:42,775 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:08:42,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:42,778 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 9 equivalence classes. [2025-01-30 01:08:42,798 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 75 of 75 statements. [2025-01-30 01:08:42,798 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-30 01:08:42,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:43,365 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-30 01:08:43,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:43,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [553297494] [2025-01-30 01:08:43,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [553297494] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:43,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1459586707] [2025-01-30 01:08:43,366 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:08:43,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:43,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:43,368 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 01:08:43,369 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 01:08:43,385 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 75 statements into 9 equivalence classes. [2025-01-30 01:08:43,402 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 75 of 75 statements. [2025-01-30 01:08:43,402 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-30 01:08:43,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:43,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-01-30 01:08:43,405 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:44,071 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 20 proven. 105 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-30 01:08:44,071 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:08:44,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:08:44,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 534 [2025-01-30 01:08:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 18 proven. 107 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-30 01:08:45,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1459586707] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:08:45,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:08:45,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 18, 18] total 42 [2025-01-30 01:08:45,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361040215] [2025-01-30 01:08:45,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:08:45,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-30 01:08:45,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:45,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-30 01:08:45,805 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1543, Unknown=0, NotChecked=0, Total=1806 [2025-01-30 01:08:45,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:45,805 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:45,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 4.1395348837209305) internal successors, (178), 42 states have internal predecessors, (178), 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 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:08:45,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:49,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:08:49,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:08:49,886 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-30 01:08:50,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:50,081 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 01:08:50,081 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:08:50,081 INFO L139 ounterexampleChecker]: Examining path program with hash 461846766, occurence #1 [2025-01-30 01:08:50,081 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:08:50,081 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:08:50,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:08:50,081 INFO L85 PathProgramCache]: Analyzing trace with hash -2052626130, now seen corresponding path program 6 times [2025-01-30 01:08:50,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:08:50,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547185920] [2025-01-30 01:08:50,082 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:08:50,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:08:50,085 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 81 statements into 9 equivalence classes. [2025-01-30 01:08:50,097 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 81 of 81 statements. [2025-01-30 01:08:50,097 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-30 01:08:50,097 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:50,785 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 142 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-30 01:08:50,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:08:50,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547185920] [2025-01-30 01:08:50,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547185920] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:08:50,786 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067438952] [2025-01-30 01:08:50,786 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:08:50,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:08:50,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:08:50,788 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 01:08:50,789 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 01:08:50,811 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 81 statements into 9 equivalence classes. [2025-01-30 01:08:50,826 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 81 of 81 statements. [2025-01-30 01:08:50,827 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-30 01:08:50,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:08:50,828 INFO L256 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-30 01:08:50,829 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:08:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 20 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:51,587 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:08:52,790 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:08:52,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 0 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 156 treesize of output 690 [2025-01-30 01:08:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 17 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:08:54,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2067438952] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:08:54,026 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:08:54,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 20, 20] total 49 [2025-01-30 01:08:54,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226714795] [2025-01-30 01:08:54,026 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:08:54,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2025-01-30 01:08:54,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:08:54,027 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2025-01-30 01:08:54,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=328, Invalid=2122, Unknown=0, NotChecked=0, Total=2450 [2025-01-30 01:08:54,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:08:54,028 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:08:54,028 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 4.06) internal successors, (203), 49 states have internal predecessors, (203), 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 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:08:54,028 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:09:00,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:09:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:09:00,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-30 01:09:00,469 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:09:00,470 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 01:09:00,470 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:09:00,470 INFO L139 ounterexampleChecker]: Examining path program with hash -371168390, occurence #1 [2025-01-30 01:09:00,470 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-30 01:09:00,470 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:09:00,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:09:00,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1929215828, now seen corresponding path program 7 times [2025-01-30 01:09:00,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:09:00,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176465081] [2025-01-30 01:09:00,471 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:09:00,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:09:00,473 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-30 01:09:00,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-30 01:09:00,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:09:00,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:09:01,257 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-30 01:09:01,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:09:01,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176465081] [2025-01-30 01:09:01,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176465081] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:09:01,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [125039188] [2025-01-30 01:09:01,258 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:09:01,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:09:01,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:09:01,260 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 01:09:01,262 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 01:09:01,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-01-30 01:09:01,293 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-01-30 01:09:01,293 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:09:01,293 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:09:01,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-01-30 01:09:01,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:09:02,322 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 20 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:09:02,322 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:09:03,888 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:09:03,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 174 treesize of output 864 [2025-01-30 01:09:05,470 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:09:05,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [125039188] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:09:05,470 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:09:05,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 22] total 54 [2025-01-30 01:09:05,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [484725775] [2025-01-30 01:09:05,470 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:09:05,471 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-01-30 01:09:05,471 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:09:05,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-01-30 01:09:05,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=2606, Unknown=0, NotChecked=0, Total=2970 [2025-01-30 01:09:05,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:09:05,473 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:09:05,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 4.0) internal successors, (220), 54 states have internal predecessors, (220), 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 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:09:05,473 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:09:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:09:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:09:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:09:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:09:13,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:09:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:09:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:09:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:09:13,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:09:13,178 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 01:09:13,373 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-30 01:09:13,373 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 01:09:13,373 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:09:13,374 INFO L139 ounterexampleChecker]: Examining path program with hash 461846766, occurence #2 [2025-01-30 01:09:13,374 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:09:13,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:09:13,374 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:09:13,374 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:09:13,374 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,374 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:09:13,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:09:13,383 INFO L85 PathProgramCache]: Analyzing trace with hash 822022437, now seen corresponding path program 1 times [2025-01-30 01:09:13,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:09:13,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94314035] [2025-01-30 01:09:13,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:09:13,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:09:13,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:09:13,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:09:13,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:09:13,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:09:13,386 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:09:13,386 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:09:13,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:09:13,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:09:13,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1853145995, now seen corresponding path program 1 times [2025-01-30 01:09:13,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:09:13,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1303794994] [2025-01-30 01:09:13,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:09:13,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:09:13,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:09:13,397 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:09:13,397 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:09:13,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:09:13,397 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:09:13,397 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:09:13,398 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:09:13,398 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:09:13,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:09:13,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:09:13,398 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:09:13,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:09:13,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:09:13,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:09:13,399 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:13,399 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 58 is hopeless, skipping. [2025-01-30 01:09:13,399 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-30 01:09:13,399 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:09:13,399 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:09:13,399 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:09:13,399 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:09:13,399 INFO L85 PathProgramCache]: Analyzing trace with hash 1891936626, now seen corresponding path program 8 times [2025-01-30 01:09:13,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:09:13,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693221643] [2025-01-30 01:09:13,400 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:09:13,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:09:13,403 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-01-30 01:09:13,414 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-01-30 01:09:13,414 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:09:13,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:09:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 1 proven. 246 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-30 01:09:14,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:09:14,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693221643] [2025-01-30 01:09:14,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693221643] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:09:14,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2012438285] [2025-01-30 01:09:14,661 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:09:14,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:09:14,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:09:14,663 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 01:09:14,665 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 01:09:14,684 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-01-30 01:09:14,698 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-01-30 01:09:14,699 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:09:14,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:09:14,700 INFO L256 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-01-30 01:09:14,702 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:09:16,161 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 20 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:09:16,162 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:09:18,235 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:09:18,236 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2025-01-30 01:09:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 37 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:09:20,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2012438285] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:09:20,266 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:09:20,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 24, 24] total 62 [2025-01-30 01:09:20,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050292973] [2025-01-30 01:09:20,266 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:09:20,266 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-01-30 01:09:20,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:09:20,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-01-30 01:09:20,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=452, Invalid=3454, Unknown=0, NotChecked=0, Total=3906 [2025-01-30 01:09:20,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:09:20,268 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:09:20,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 4.190476190476191) internal successors, (264), 62 states have internal predecessors, (264), 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 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:09:20,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:09:31,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:09:31,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:09:31,132 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 01:09:31,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-01-30 01:09:31,326 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 01:09:31,327 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:09:31,327 INFO L139 ounterexampleChecker]: Examining path program with hash -371168390, occurence #2 [2025-01-30 01:09:31,327 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:09:31,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:09:31,327 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:09:31,327 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:09:31,327 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:09:31,335 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:09:31,335 INFO L85 PathProgramCache]: Analyzing trace with hash 822022893, now seen corresponding path program 1 times [2025-01-30 01:09:31,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:09:31,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392378715] [2025-01-30 01:09:31,336 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:09:31,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:09:31,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:09:31,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:09:31,337 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:09:31,337 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:09:31,337 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:09:31,337 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:09:31,337 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:09:31,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:09:31,345 INFO L85 PathProgramCache]: Analyzing trace with hash -1853145539, now seen corresponding path program 1 times [2025-01-30 01:09:31,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:09:31,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47365687] [2025-01-30 01:09:31,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:09:31,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:09:31,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:09:31,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:09:31,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:09:31,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:09:31,348 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:09:31,348 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:09:31,348 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:09:31,348 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:09:31,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:09:31,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:09:31,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:09:31,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:09:31,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:09:31,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:09:31,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:09:31,348 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 58 is hopeless, skipping. [2025-01-30 01:09:31,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 104 [2025-01-30 01:09:31,349 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:09:31,349 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:09:31,349 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:09:31,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:09:31,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1884454040, now seen corresponding path program 9 times [2025-01-30 01:09:31,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:09:31,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579333312] [2025-01-30 01:09:31,349 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:09:31,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:09:31,352 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 107 statements into 9 equivalence classes. [2025-01-30 01:09:31,361 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-01-30 01:09:31,362 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-30 01:09:31,362 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:09:32,705 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 6 proven. 283 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-30 01:09:32,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:09:32,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [579333312] [2025-01-30 01:09:32,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [579333312] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:09:32,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [713548594] [2025-01-30 01:09:32,706 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:09:32,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:09:32,706 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:09:32,708 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 01:09:32,708 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 01:09:32,730 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 107 statements into 9 equivalence classes. [2025-01-30 01:09:32,750 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 107 of 107 statements. [2025-01-30 01:09:32,751 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-30 01:09:32,751 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:09:32,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-01-30 01:09:32,754 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:09:34,560 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 20 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:09:34,560 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:09:38,763 INFO L349 Elim1Store]: treesize reduction 80, result has 94.3 percent of original size [2025-01-30 01:09:38,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 23 select indices, 23 select index equivalence classes, 0 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 220 treesize of output 1416 [2025-01-30 01:09:47,089 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 29 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:09:47,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [713548594] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:09:47,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:09:47,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 27] total 71 [2025-01-30 01:09:47,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1503090329] [2025-01-30 01:09:47,089 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:09:47,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-30 01:09:47,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:09:47,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-30 01:09:47,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=623, Invalid=4489, Unknown=0, NotChecked=0, Total=5112 [2025-01-30 01:09:47,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:09:47,091 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:09:47,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 3.9722222222222223) internal successors, (286), 71 states have internal predecessors, (286), 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 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:09:47,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:10:03,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:10:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:10:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:10:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:10:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:10:03,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:10:03,850 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-30 01:10:04,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-30 01:10:04,044 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 01:10:04,044 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:10:04,045 INFO L139 ounterexampleChecker]: Examining path program with hash 461846766, occurence #3 [2025-01-30 01:10:04,045 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:10:04,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:10:04,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:10:04,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:10:04,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:10:04,053 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:10:04,053 INFO L85 PathProgramCache]: Analyzing trace with hash 822023457, now seen corresponding path program 1 times [2025-01-30 01:10:04,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:10:04,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377254728] [2025-01-30 01:10:04,053 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:10:04,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:10:04,054 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:10:04,055 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:10:04,055 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:10:04,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:10:04,055 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:10:04,055 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:10:04,055 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:10:04,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:10:04,065 INFO L85 PathProgramCache]: Analyzing trace with hash -1853144975, now seen corresponding path program 1 times [2025-01-30 01:10:04,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:10:04,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229697497] [2025-01-30 01:10:04,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:10:04,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:10:04,066 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:10:04,067 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:10:04,067 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:10:04,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:10:04,067 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:10:04,067 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:10:04,068 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:10:04,068 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:10:04,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:04,068 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 66 is hopeless, skipping. [2025-01-30 01:10:04,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-30 01:10:04,068 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:10:04,068 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:10:04,068 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:10:04,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:10:04,069 INFO L85 PathProgramCache]: Analyzing trace with hash 2122016694, now seen corresponding path program 10 times [2025-01-30 01:10:04,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:10:04,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085796252] [2025-01-30 01:10:04,069 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:10:04,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:10:04,071 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 121 statements into 2 equivalence classes. [2025-01-30 01:10:04,083 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-30 01:10:04,083 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:10:04,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:10:05,580 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 384 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-30 01:10:05,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:10:05,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085796252] [2025-01-30 01:10:05,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085796252] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:10:05,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220034539] [2025-01-30 01:10:05,580 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:10:05,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:10:05,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:10:05,582 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 01:10:05,583 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 01:10:05,603 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 121 statements into 2 equivalence classes. [2025-01-30 01:10:05,623 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-01-30 01:10:05,623 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:10:05,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:10:05,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 98 conjuncts are in the unsatisfiable core [2025-01-30 01:10:05,626 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:10:07,893 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 20 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:10:07,893 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:10:11,060 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:10:11,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 232 treesize of output 1510 [2025-01-30 01:10:15,059 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 65 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:10:15,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [220034539] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:10:15,059 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:10:15,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 28, 28] total 72 [2025-01-30 01:10:15,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173937072] [2025-01-30 01:10:15,059 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:10:15,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2025-01-30 01:10:15,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:10:15,060 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2025-01-30 01:10:15,061 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=560, Invalid=4696, Unknown=0, NotChecked=0, Total=5256 [2025-01-30 01:10:15,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:10:15,061 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:10:15,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 4.410958904109589) internal successors, (322), 72 states have internal predecessors, (322), 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 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:10:15,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:10:32,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:10:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:10:32,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:10:32,527 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 01:10:32,721 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:10:32,721 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 01:10:32,721 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:10:32,722 INFO L139 ounterexampleChecker]: Examining path program with hash -371168390, occurence #3 [2025-01-30 01:10:32,722 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:10:32,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:10:32,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:10:32,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:10:32,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:10:32,730 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:10:32,730 INFO L85 PathProgramCache]: Analyzing trace with hash 822024045, now seen corresponding path program 1 times [2025-01-30 01:10:32,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:10:32,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023421239] [2025-01-30 01:10:32,730 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:10:32,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:10:32,731 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:10:32,732 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:10:32,732 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:10:32,732 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:10:32,732 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:10:32,732 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:10:32,732 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:10:32,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:10:32,740 INFO L85 PathProgramCache]: Analyzing trace with hash -1853144387, now seen corresponding path program 1 times [2025-01-30 01:10:32,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:10:32,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240140518] [2025-01-30 01:10:32,741 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:10:32,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:10:32,742 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:10:32,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:10:32,743 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:10:32,743 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:10:32,743 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:10:32,743 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:10:32,743 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:10:32,743 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:10:32,743 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:10:32,743 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 66 is hopeless, skipping. [2025-01-30 01:10:32,744 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 124 [2025-01-30 01:10:32,744 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:10:32,744 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:10:32,744 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:10:32,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:10:32,744 INFO L85 PathProgramCache]: Analyzing trace with hash -894797860, now seen corresponding path program 11 times [2025-01-30 01:10:32,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:10:32,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572010106] [2025-01-30 01:10:32,744 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:10:32,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:10:32,747 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 127 statements into 10 equivalence classes. [2025-01-30 01:10:32,771 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 127 of 127 statements. [2025-01-30 01:10:32,771 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-30 01:10:32,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:10:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 426 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-30 01:10:34,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:10:34,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572010106] [2025-01-30 01:10:34,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572010106] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:10:34,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1955702643] [2025-01-30 01:10:34,191 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:10:34,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:10:34,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:10:34,193 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 01:10:34,194 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 01:10:34,213 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 127 statements into 10 equivalence classes. [2025-01-30 01:10:34,236 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 127 of 127 statements. [2025-01-30 01:10:34,236 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-30 01:10:34,236 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:10:34,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-01-30 01:10:34,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:10:36,866 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 20 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:10:36,866 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:10:39,720 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,721 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,721 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,722 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,723 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,724 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,724 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,725 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,727 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,728 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,728 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,729 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,729 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,731 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,732 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,732 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,733 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,733 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,742 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,743 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,743 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,743 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,744 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,745 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,745 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,750 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,753 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,754 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,754 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,756 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,756 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,758 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,759 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,759 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,761 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,763 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,765 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,765 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,766 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,766 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,767 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,767 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,768 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,769 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,771 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,771 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,772 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,772 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,773 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,776 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,780 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,781 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,782 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,786 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,787 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,788 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,788 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,788 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,789 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,790 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,790 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,792 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,793 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,793 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,798 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,799 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,799 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,801 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,802 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,805 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,806 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,808 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,809 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,810 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,812 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,813 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,815 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:39,816 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:10:40,317 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:10:40,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 234 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 91 case distinctions, treesize of input 250 treesize of output 984 [2025-01-30 01:10:41,116 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 54 proven. 386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:10:41,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1955702643] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:10:41,117 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:10:41,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 30, 30] total 78 [2025-01-30 01:10:41,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157612531] [2025-01-30 01:10:41,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:10:41,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2025-01-30 01:10:41,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:10:41,118 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2025-01-30 01:10:41,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=5459, Unknown=0, NotChecked=0, Total=6162 [2025-01-30 01:10:41,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:10:41,119 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:10:41,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 4.2405063291139244) internal successors, (335), 78 states have internal predecessors, (335), 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 01:10:41,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:10:41,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:11:03,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:11:03,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:11:03,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-30 01:11:03,929 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,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24 [2025-01-30 01:11:03,929 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 01:11:03,929 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:11:03,930 INFO L139 ounterexampleChecker]: Examining path program with hash 461846766, occurence #4 [2025-01-30 01:11:03,930 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:11:03,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:11:03,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:11:03,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:11:03,930 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,930 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:11:03,939 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:11:03,939 INFO L85 PathProgramCache]: Analyzing trace with hash 822024695, now seen corresponding path program 1 times [2025-01-30 01:11:03,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:11:03,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095729730] [2025-01-30 01:11:03,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:11:03,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:11:03,941 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:11:03,941 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:11:03,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:11:03,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:11:03,941 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:11:03,942 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:11:03,942 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:11:03,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:11:03,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1853143737, now seen corresponding path program 1 times [2025-01-30 01:11:03,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:11:03,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102973689] [2025-01-30 01:11:03,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:11:03,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:11:03,951 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:11:03,951 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:11:03,951 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:11:03,951 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:11:03,952 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:11:03,952 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:11:03,952 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:11:03,952 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-30 01:11:03,952 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:03,952 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 74 is hopeless, skipping. [2025-01-30 01:11:03,952 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-01-30 01:11:03,953 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:11:03,953 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:11:03,953 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:11:03,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:11:03,953 INFO L85 PathProgramCache]: Analyzing trace with hash -1493916678, now seen corresponding path program 12 times [2025-01-30 01:11:03,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:11:03,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012531834] [2025-01-30 01:11:03,953 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:11:03,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:11:03,956 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 141 statements into 11 equivalence classes. [2025-01-30 01:11:03,972 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 141 of 141 statements. [2025-01-30 01:11:03,972 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-01-30 01:11:03,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:11:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 6 proven. 552 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-30 01:11:05,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:11:05,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012531834] [2025-01-30 01:11:05,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012531834] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:11:05,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202719684] [2025-01-30 01:11:05,891 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:11:05,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:11:05,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:11:05,892 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:11:05,893 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-30 01:11:05,915 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 141 statements into 11 equivalence classes. [2025-01-30 01:11:05,942 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 141 of 141 statements. [2025-01-30 01:11:05,942 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-01-30 01:11:05,942 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:11:05,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 115 conjuncts are in the unsatisfiable core [2025-01-30 01:11:05,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:11:09,326 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 20 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:11:09,326 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:11:12,867 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,868 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,868 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,869 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,869 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,870 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,871 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,872 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,873 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,874 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,874 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,875 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,875 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,875 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,875 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,876 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,876 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,876 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,877 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,878 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,879 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,879 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,879 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,879 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,880 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,880 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,881 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,895 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,898 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,898 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,899 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,899 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,900 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,901 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,903 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,903 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,903 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,904 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,905 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,907 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,907 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,907 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,907 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,908 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,908 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,909 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,909 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,909 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,910 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,911 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,911 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,911 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,912 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,912 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,913 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,919 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,924 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,925 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,926 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,927 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,932 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,932 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,933 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,933 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,934 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,935 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,936 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,936 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,936 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,937 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,941 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,942 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,942 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,942 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,943 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,943 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,944 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,944 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,945 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,945 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,947 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,947 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,949 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,950 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,951 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,952 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,953 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,954 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,955 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,956 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:12,957 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:11:13,492 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:11:13,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 273 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 105 case distinctions, treesize of input 270 treesize of output 1130 [2025-01-30 01:11:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 101 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:11:14,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202719684] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:11:14,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:11:14,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 32, 32] total 87 [2025-01-30 01:11:14,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438201410] [2025-01-30 01:11:14,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:11:14,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2025-01-30 01:11:14,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:11:14,517 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2025-01-30 01:11:14,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=865, Invalid=6791, Unknown=0, NotChecked=0, Total=7656 [2025-01-30 01:11:14,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:11:14,519 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:11:14,519 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 4.3977272727272725) internal successors, (387), 87 states have internal predecessors, (387), 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 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:11:14,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:11:41,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:11:41,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-30 01:11:41,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-01-30 01:11:41,362 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 01:11:41,362 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:11:41,362 INFO L139 ounterexampleChecker]: Examining path program with hash -371168390, occurence #4 [2025-01-30 01:11:41,362 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:11:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:11:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:11:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:11:41,362 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,362 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:11:41,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:11:41,371 INFO L85 PathProgramCache]: Analyzing trace with hash 822025415, now seen corresponding path program 1 times [2025-01-30 01:11:41,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:11:41,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152387222] [2025-01-30 01:11:41,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:11:41,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:11:41,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:11:41,373 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:11:41,373 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:11:41,373 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:11:41,373 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:11:41,373 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:11:41,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:11:41,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:11:41,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1853143017, now seen corresponding path program 1 times [2025-01-30 01:11:41,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:11:41,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1429329137] [2025-01-30 01:11:41,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:11:41,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:11:41,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:11:41,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:11:41,385 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:11:41,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:11:41,385 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:11:41,385 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:11:41,385 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:11:41,385 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:11:41,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:11:41,385 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-30 01:11:41,386 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:11:41,386 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 74 is hopeless, skipping. [2025-01-30 01:11:41,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2025-01-30 01:11:41,386 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:11:41,386 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:11:41,386 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:11:41,387 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:11:41,387 INFO L85 PathProgramCache]: Analyzing trace with hash -143757024, now seen corresponding path program 13 times [2025-01-30 01:11:41,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:11:41,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413535567] [2025-01-30 01:11:41,387 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:11:41,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:11:41,391 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-30 01:11:41,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-30 01:11:41,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:11:41,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:11:43,745 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 1 proven. 619 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-30 01:11:43,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:11:43,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413535567] [2025-01-30 01:11:43,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413535567] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:11:43,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1106957347] [2025-01-30 01:11:43,746 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-30 01:11:43,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:11:43,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:11:43,748 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-30 01:11:43,749 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-30 01:11:43,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-01-30 01:11:43,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-01-30 01:11:43,787 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:11:43,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:11:43,789 INFO L256 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 122 conjuncts are in the unsatisfiable core [2025-01-30 01:11:43,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:11:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 20 proven. 606 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:11:47,571 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:11:53,232 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:11:53,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 0 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 435 case distinctions, treesize of input 288 treesize of output 2334 [2025-01-30 01:11:59,865 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 87 proven. 539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:11:59,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1106957347] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:11:59,866 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:11:59,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 34, 34] total 91 [2025-01-30 01:11:59,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554937219] [2025-01-30 01:11:59,866 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:11:59,866 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-01-30 01:11:59,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:11:59,867 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-01-30 01:11:59,868 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=796, Invalid=7576, Unknown=0, NotChecked=0, Total=8372 [2025-01-30 01:11:59,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:11:59,868 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:11:59,868 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 4.358695652173913) internal successors, (401), 91 states have internal predecessors, (401), 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 01:11:59,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:11:59,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:11:59,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:12:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:12:29,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:12:29,984 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-30 01:12:30,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable28 [2025-01-30 01:12:30,178 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 01:12:30,178 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:12:30,178 INFO L139 ounterexampleChecker]: Examining path program with hash 461846766, occurence #5 [2025-01-30 01:12:30,178 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:12:30,178 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:12:30,178 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,178 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:12:30,178 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,178 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:12:30,178 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,178 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:12:30,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:12:30,190 INFO L85 PathProgramCache]: Analyzing trace with hash 822026203, now seen corresponding path program 1 times [2025-01-30 01:12:30,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:12:30,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655406117] [2025-01-30 01:12:30,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:12:30,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:12:30,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:12:30,191 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:12:30,191 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:12:30,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:12:30,192 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:12:30,192 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:12:30,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:12:30,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:12:30,200 INFO L85 PathProgramCache]: Analyzing trace with hash -1853142229, now seen corresponding path program 1 times [2025-01-30 01:12:30,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:12:30,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116600503] [2025-01-30 01:12:30,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:12:30,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:12:30,202 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:12:30,202 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:12:30,202 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:12:30,202 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:12:30,203 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:12:30,203 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:12:30,203 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:12:30,203 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-30 01:12:30,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,205 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-30 01:12:30,205 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:12:30,206 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 82 is hopeless, skipping. [2025-01-30 01:12:30,206 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-01-30 01:12:30,206 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:12:30,206 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:12:30,206 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:12:30,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:12:30,206 INFO L85 PathProgramCache]: Analyzing trace with hash 366566974, now seen corresponding path program 14 times [2025-01-30 01:12:30,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:12:30,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040968130] [2025-01-30 01:12:30,206 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:12:30,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:12:30,212 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 161 statements into 2 equivalence classes. [2025-01-30 01:12:30,226 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 161 of 161 statements. [2025-01-30 01:12:30,226 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:12:30,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:12:33,163 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-30 01:12:33,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:12:33,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040968130] [2025-01-30 01:12:33,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040968130] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:12:33,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227031444] [2025-01-30 01:12:33,163 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-30 01:12:33,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:12:33,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:12:33,165 INFO L229 MonitoredProcess]: Starting monitored process 18 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 01:12:33,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-30 01:12:33,191 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 161 statements into 2 equivalence classes. [2025-01-30 01:12:33,212 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 161 of 161 statements. [2025-01-30 01:12:33,212 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-30 01:12:33,212 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:12:33,214 INFO L256 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-01-30 01:12:33,216 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:12:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 20 proven. 757 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:12:37,948 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:12:45,065 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:12:45,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 32 select indices, 32 select index equivalence classes, 0 disjoint index pairs (out of 496 index pairs), introduced 32 new quantified variables, introduced 496 case distinctions, treesize of input 308 treesize of output 2650 [2025-01-30 01:12:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 145 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:12:57,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227031444] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:12:57,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:12:57,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36, 36] total 96 [2025-01-30 01:12:57,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067963394] [2025-01-30 01:12:57,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:12:57,622 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2025-01-30 01:12:57,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:12:57,622 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2025-01-30 01:12:57,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=889, Invalid=8423, Unknown=0, NotChecked=0, Total=9312 [2025-01-30 01:12:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:12:57,624 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:12:57,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 4.556701030927835) internal successors, (442), 96 states have internal predecessors, (442), 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 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:12:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:12:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:12:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:12:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:12:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:12:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:12:57,625 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:13:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:13:36,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:13:36,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:13:36,064 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-01-30 01:13:36,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:13:36,259 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:13:36,259 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:13:36,259 INFO L139 ounterexampleChecker]: Examining path program with hash -371168390, occurence #5 [2025-01-30 01:13:36,259 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:13:36,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:13:36,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:13:36,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:13:36,259 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,259 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:13:36,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:13:36,268 INFO L85 PathProgramCache]: Analyzing trace with hash 822027055, now seen corresponding path program 1 times [2025-01-30 01:13:36,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:13:36,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269969447] [2025-01-30 01:13:36,268 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:13:36,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:13:36,269 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:13:36,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:13:36,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:13:36,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:13:36,270 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:13:36,270 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:13:36,270 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:13:36,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:13:36,278 INFO L85 PathProgramCache]: Analyzing trace with hash -1853141377, now seen corresponding path program 1 times [2025-01-30 01:13:36,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:13:36,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955918403] [2025-01-30 01:13:36,278 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:13:36,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:13:36,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:13:36,280 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:13:36,280 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:13:36,280 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:13:36,280 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:13:36,280 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:13:36,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:13:36,280 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:13:36,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:13:36,280 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:13:36,280 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,280 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:13:36,280 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-30 01:13:36,281 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:13:36,281 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 82 is hopeless, skipping. [2025-01-30 01:13:36,281 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 164 [2025-01-30 01:13:36,281 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:13:36,281 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:13:36,281 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:13:36,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:13:36,281 INFO L85 PathProgramCache]: Analyzing trace with hash -7903132, now seen corresponding path program 15 times [2025-01-30 01:13:36,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:13:36,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592068512] [2025-01-30 01:13:36,282 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:13:36,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:13:36,285 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 167 statements into 14 equivalence classes. [2025-01-30 01:13:36,312 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 167 of 167 statements. [2025-01-30 01:13:36,313 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-01-30 01:13:36,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:13:39,161 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 0 proven. 834 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-30 01:13:39,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:13:39,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592068512] [2025-01-30 01:13:39,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592068512] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:13:39,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143609530] [2025-01-30 01:13:39,161 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-30 01:13:39,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:13:39,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:13:39,163 INFO L229 MonitoredProcess]: Starting monitored process 19 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 01:13:39,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-30 01:13:39,186 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 167 statements into 14 equivalence classes. [2025-01-30 01:13:39,217 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 167 of 167 statements. [2025-01-30 01:13:39,217 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-01-30 01:13:39,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:13:39,220 INFO L256 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-01-30 01:13:39,222 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:13:44,459 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 20 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:13:44,459 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:13:52,827 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:13:52,827 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 0 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 561 case distinctions, treesize of input 326 treesize of output 2984 [2025-01-30 01:14:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 128 proven. 720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:14:08,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143609530] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:14:08,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:14:08,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 38, 38] total 102 [2025-01-30 01:14:08,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066325978] [2025-01-30 01:14:08,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:14:08,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-01-30 01:14:08,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:14:08,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-01-30 01:14:08,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1265, Invalid=9241, Unknown=0, NotChecked=0, Total=10506 [2025-01-30 01:14:08,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:14:08,241 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:14:08,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.407766990291262) internal successors, (454), 102 states have internal predecessors, (454), 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 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:14:08,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:14:08,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:14:50,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:14:50,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2025-01-30 01:14:50,671 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-30 01:14:50,865 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-01-30 01:14:50,865 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:14:50,865 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:14:50,866 INFO L139 ounterexampleChecker]: Examining path program with hash 461846766, occurence #6 [2025-01-30 01:14:50,866 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:14:50,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:14:50,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:14:50,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:14:50,866 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,866 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:14:50,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:14:50,874 INFO L85 PathProgramCache]: Analyzing trace with hash 822027975, now seen corresponding path program 1 times [2025-01-30 01:14:50,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:14:50,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090500075] [2025-01-30 01:14:50,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:14:50,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:14:50,876 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:14:50,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:14:50,876 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:14:50,876 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:14:50,876 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:14:50,876 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:14:50,877 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:14:50,885 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:14:50,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1853140457, now seen corresponding path program 1 times [2025-01-30 01:14:50,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:14:50,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1965319102] [2025-01-30 01:14:50,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:14:50,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:14:50,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:14:50,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:14:50,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:14:50,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:14:50,887 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:14:50,887 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:14:50,887 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:14:50,887 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:14:50,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:14:50,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:14:50,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:14:50,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:14:50,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,887 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:14:50,887 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-30 01:14:50,888 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:14:50,888 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 90 is hopeless, skipping. [2025-01-30 01:14:50,888 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-01-30 01:14:50,888 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:14:50,888 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:14:50,888 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:14:50,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:14:50,888 INFO L85 PathProgramCache]: Analyzing trace with hash 1783797378, now seen corresponding path program 16 times [2025-01-30 01:14:50,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:14:50,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423478027] [2025-01-30 01:14:50,889 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:14:50,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:14:50,893 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 181 statements into 2 equivalence classes. [2025-01-30 01:14:50,908 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-01-30 01:14:50,909 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:14:50,909 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:14:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1017 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-30 01:14:55,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:14:55,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423478027] [2025-01-30 01:14:55,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423478027] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:14:55,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [338779737] [2025-01-30 01:14:55,317 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-30 01:14:55,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:14:55,317 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:14:55,318 INFO L229 MonitoredProcess]: Starting monitored process 20 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 01:14:55,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-30 01:14:55,340 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 181 statements into 2 equivalence classes. [2025-01-30 01:14:55,366 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 181 of 181 statements. [2025-01-30 01:14:55,366 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-30 01:14:55,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:14:55,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 146 conjuncts are in the unsatisfiable core [2025-01-30 01:14:55,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:15:02,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 20 proven. 1004 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:15:02,178 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:15:12,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:15:12,538 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 346 treesize of output 3340 [2025-01-30 01:15:30,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 197 proven. 827 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:15:30,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [338779737] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:15:30,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:15:30,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 40, 40] total 108 [2025-01-30 01:15:30,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261976601] [2025-01-30 01:15:30,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:15:30,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 109 states [2025-01-30 01:15:30,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:15:30,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2025-01-30 01:15:30,848 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1078, Invalid=10694, Unknown=0, NotChecked=0, Total=11772 [2025-01-30 01:15:30,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:15:30,848 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:15:30,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 109 states, 109 states have (on average 4.605504587155964) internal successors, (502), 108 states have internal predecessors, (502), 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 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2025-01-30 01:15:30,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2025-01-30 01:16:24,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2025-01-30 01:16:24,637 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-30 01:16:24,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-01-30 01:16:24,832 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:16:24,832 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:16:24,832 INFO L139 ounterexampleChecker]: Examining path program with hash -371168390, occurence #6 [2025-01-30 01:16:24,832 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:16:24,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:16:24,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:16:24,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:16:24,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:16:24,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:16:24,842 INFO L85 PathProgramCache]: Analyzing trace with hash 822028959, now seen corresponding path program 1 times [2025-01-30 01:16:24,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:16:24,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366844443] [2025-01-30 01:16:24,843 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:16:24,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:16:24,844 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:16:24,844 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:16:24,844 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:16:24,844 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:16:24,844 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:16:24,844 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:16:24,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:16:24,852 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:16:24,852 INFO L85 PathProgramCache]: Analyzing trace with hash -1853139473, now seen corresponding path program 1 times [2025-01-30 01:16:24,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:16:24,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940755474] [2025-01-30 01:16:24,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:16:24,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:16:24,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:16:24,854 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:16:24,854 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:16:24,854 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:16:24,854 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:16:24,854 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:16:24,854 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:16:24,854 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:16:24,854 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:16:24,854 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-30 01:16:24,855 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:16:24,855 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 90 is hopeless, skipping. [2025-01-30 01:16:24,855 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-01-30 01:16:24,855 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:16:24,855 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:16:24,855 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:16:24,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:16:24,856 INFO L85 PathProgramCache]: Analyzing trace with hash -1084334680, now seen corresponding path program 17 times [2025-01-30 01:16:24,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:16:24,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1387440433] [2025-01-30 01:16:24,856 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:16:24,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:16:24,859 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 187 statements into 16 equivalence classes. [2025-01-30 01:16:24,916 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 187 of 187 statements. [2025-01-30 01:16:24,917 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-30 01:16:24,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:16:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-30 01:16:28,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:16:28,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1387440433] [2025-01-30 01:16:28,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1387440433] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:16:28,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249535253] [2025-01-30 01:16:28,688 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-30 01:16:28,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:16:28,688 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:16:28,690 INFO L229 MonitoredProcess]: Starting monitored process 21 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 01:16:28,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-01-30 01:16:28,712 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 187 statements into 16 equivalence classes. [2025-01-30 01:16:28,770 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 187 of 187 statements. [2025-01-30 01:16:28,770 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-30 01:16:28,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:16:28,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 158 conjuncts are in the unsatisfiable core [2025-01-30 01:16:28,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:16:36,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 20 proven. 1086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:16:36,102 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:16:57,432 WARN L286 SmtUtils]: Spent 13.12s on a formula simplification. DAG size of input: 1527 DAG size of output: 1391 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-30 01:16:57,433 INFO L349 Elim1Store]: treesize reduction 288, result has 93.4 percent of original size [2025-01-30 01:16:57,435 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 0 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 780 case distinctions, treesize of input 378 treesize of output 4196 [2025-01-30 01:19:07,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 177 proven. 929 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:19:07,241 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249535253] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:19:07,241 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:19:07,241 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 42, 44] total 118 [2025-01-30 01:19:07,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [574794753] [2025-01-30 01:19:07,241 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:19:07,242 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2025-01-30 01:19:07,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:19:07,243 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2025-01-30 01:19:07,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1548, Invalid=12494, Unknown=0, NotChecked=0, Total=14042 [2025-01-30 01:19:07,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:19:07,244 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:19:07,244 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 4.319327731092437) internal successors, (514), 118 states have internal predecessors, (514), 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 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:19:07,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2025-01-30 01:19:07,245 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:20:36,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 283 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 303 states. [2025-01-30 01:20:36,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 343 states. [2025-01-30 01:20:36,584 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-30 01:20:36,778 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:20:36,778 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-30 01:20:36,778 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-30 01:20:36,778 INFO L139 ounterexampleChecker]: Examining path program with hash 461846766, occurence #7 [2025-01-30 01:20:36,778 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-30 01:20:36,778 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-01-30 01:20:36,778 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,778 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-01-30 01:20:36,778 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,778 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-01-30 01:20:36,778 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,778 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-30 01:20:36,786 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:20:36,787 INFO L85 PathProgramCache]: Analyzing trace with hash 822030081, now seen corresponding path program 1 times [2025-01-30 01:20:36,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:20:36,787 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168796692] [2025-01-30 01:20:36,787 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:20:36,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:20:36,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-30 01:20:36,788 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-30 01:20:36,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:20:36,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:20:36,788 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:20:36,788 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:20:36,788 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-01-30 01:20:36,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:20:36,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1853138351, now seen corresponding path program 1 times [2025-01-30 01:20:36,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-30 01:20:36,796 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166476935] [2025-01-30 01:20:36,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-30 01:20:36,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:20:36,798 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-30 01:20:36,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-30 01:20:36,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-30 01:20:36,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-30 01:20:36,798 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-30 01:20:36,798 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-30 01:20:36,798 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 22 is hopeless, skipping. [2025-01-30 01:20:36,798 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 28 is hopeless, skipping. [2025-01-30 01:20:36,798 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-01-30 01:20:36,798 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 67 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 79 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 83 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-30 01:20:36,799 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-30 01:20:36,799 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 98 is hopeless, skipping. [2025-01-30 01:20:36,799 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-01-30 01:20:36,799 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-30 01:20:36,800 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-30 01:20:36,800 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-30 01:20:36,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-30 01:20:36,800 INFO L85 PathProgramCache]: Analyzing trace with hash -150385466, now seen corresponding path program 18 times [2025-01-30 01:20:36,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-30 01:20:36,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109483835] [2025-01-30 01:20:36,800 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:20:36,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-30 01:20:36,804 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 201 statements into 17 equivalence classes. [2025-01-30 01:20:36,823 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 201 of 201 statements. [2025-01-30 01:20:36,823 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-30 01:20:36,823 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:20:41,222 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 6 proven. 1300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-30 01:20:41,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-30 01:20:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109483835] [2025-01-30 01:20:41,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109483835] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-30 01:20:41,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534774147] [2025-01-30 01:20:41,223 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-30 01:20:41,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-30 01:20:41,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-30 01:20:41,226 INFO L229 MonitoredProcess]: Starting monitored process 22 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 01:20:41,227 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-01-30 01:20:41,249 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 201 statements into 17 equivalence classes. [2025-01-30 01:20:41,379 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 201 of 201 statements. [2025-01-30 01:20:41,379 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-30 01:20:41,379 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-30 01:20:41,382 INFO L256 TraceCheckSpWp]: Trace formula consists of 411 conjuncts, 163 conjuncts are in the unsatisfiable core [2025-01-30 01:20:41,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-30 01:20:50,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 20 proven. 1287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:20:50,983 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-30 01:20:59,976 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,977 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,978 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,978 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,979 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,981 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,984 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,985 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,986 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,986 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,987 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,987 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,988 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,988 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,988 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,989 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,989 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,989 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,990 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,990 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,990 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,990 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,991 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,991 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,991 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,993 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,996 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,996 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,996 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,997 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,997 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,997 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,998 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,998 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,999 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,999 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:20:59,999 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,000 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,000 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,013 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,014 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,015 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,017 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,019 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,026 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,028 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,028 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,028 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,028 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,029 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,030 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,031 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,031 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,032 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,033 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,033 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,033 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,034 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,035 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,035 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,035 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,036 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,036 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,036 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,038 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,038 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,038 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,039 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,040 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,041 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,041 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,041 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,042 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,042 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,042 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,044 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,044 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,045 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,046 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,046 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,047 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,047 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,047 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,048 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,048 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,048 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,049 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,049 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,050 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,050 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,050 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,051 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,052 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,052 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,053 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,053 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,053 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,054 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,054 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,055 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,055 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,055 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,056 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,056 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,062 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,075 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,076 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,076 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,077 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,077 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,078 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,078 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,080 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,081 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,083 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,084 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,086 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,089 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,091 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,091 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,091 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,092 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,092 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,093 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,093 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,093 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,094 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,094 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,095 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,095 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,095 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,096 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,096 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,096 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,097 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,097 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,097 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,098 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,098 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,098 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,102 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,105 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,106 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,107 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,107 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,107 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,108 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,110 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,112 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,112 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,112 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,114 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,114 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,117 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,117 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,117 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,118 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,118 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,119 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,119 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,120 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,120 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,120 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,122 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,122 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,122 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,125 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,126 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,129 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,130 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,131 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,131 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,131 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,132 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,132 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,133 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,133 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,135 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,136 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,137 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,138 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,139 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,141 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,142 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,144 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,144 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,145 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,146 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,146 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,146 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-30 01:21:00,147 INFO L224 Elim1Store]: Index analysis took 170 ms [2025-01-30 01:21:01,932 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-30 01:21:01,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 40 select indices, 40 select index equivalence classes, 570 disjoint index pairs (out of 780 index pairs), introduced 40 new quantified variables, introduced 210 case distinctions, treesize of input 384 treesize of output 2210 [2025-01-30 01:21:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 257 proven. 1050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-30 01:21:05,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [534774147] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-30 01:21:05,031 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-30 01:21:05,031 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 44, 44] total 125 [2025-01-30 01:21:05,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281916397] [2025-01-30 01:21:05,031 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-30 01:21:05,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2025-01-30 01:21:05,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-30 01:21:05,032 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2025-01-30 01:21:05,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1679, Invalid=14071, Unknown=0, NotChecked=0, Total=15750 [2025-01-30 01:21:05,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-30 01:21:05,033 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-30 01:21:05,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 4.5396825396825395) internal successors, (572), 125 states have internal predecessors, (572), 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 01:21:05,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-30 01:21:05,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-30 01:21:05,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-30 01:21:05,033 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 173 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 202 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 223 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 263 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 283 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 303 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 343 states. [2025-01-30 01:21:05,034 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2025-01-30 01:22:20,433 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-30 01:22:20,440 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-30 01:22:20,440 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-30 01:22:20,441 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-30 01:22:20,627 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45 [2025-01-30 01:22:20,628 WARN L596 AbstractCegarLoop]: Verification canceled: while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ATOM-1 context. [2025-01-30 01:22:20,630 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-30 01:22:20,630 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-30 01:22:20,630 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-30 01:22:20,630 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-30 01:22:20,640 INFO L422 BasicCegarLoop]: Path program histogram: [18, 3, 1] [2025-01-30 01:22:20,643 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-30 01:22:20,643 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-30 01:22:20,660 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 01:22:20,661 INFO L201 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.01 01:22:20 BasicIcfg [2025-01-30 01:22:20,661 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-30 01:22:20,662 INFO L158 Benchmark]: Toolchain (without parser) took 829604.56ms. Allocated memory was 167.8MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 100.1MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.8GB. Max. memory is 16.0GB. [2025-01-30 01:22:20,663 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 167.8MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:22:20,663 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.75ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 98.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:22:20,663 INFO L158 Benchmark]: Boogie Preprocessor took 14.95ms. Allocated memory is still 167.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-30 01:22:20,663 INFO L158 Benchmark]: RCFGBuilder took 211.65ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 84.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-30 01:22:20,663 INFO L158 Benchmark]: TraceAbstraction took 829353.38ms. Allocated memory was 167.8MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 83.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.8GB. Max. memory is 16.0GB. [2025-01-30 01:22:20,665 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 0.24ms. Allocated memory is still 167.8MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 19.75ms. Allocated memory is still 167.8MB. Free memory was 100.1MB in the beginning and 98.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 14.95ms. Allocated memory is still 167.8MB. Free memory is still 98.9MB. There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 211.65ms. Allocated memory is still 167.8MB. Free memory was 98.9MB in the beginning and 84.6MB in the end (delta: 14.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 829353.38ms. Allocated memory was 167.8MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 83.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 1.8GB. 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: 1800239, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 858524, dependent conditional: 858516, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1062632, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 120917, dependent conditional: 120909, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1062632, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 120917, dependent conditional: 120909, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3241715, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 2300000, dependent conditional: 2299992, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3241715, independent: 941715, independent conditional: 4687, independent unconditional: 937028, dependent: 2300000, dependent conditional: 1182015, dependent unconditional: 1117985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3241715, independent: 941715, independent conditional: 4687, independent unconditional: 937028, dependent: 2300000, dependent conditional: 1182015, dependent unconditional: 1117985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5183, independent: 2166, independent conditional: 1854, independent unconditional: 312, dependent: 3017, dependent conditional: 3006, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5184, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 4876, dependent conditional: 0, dependent unconditional: 4876, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4875, independent: 1858, independent conditional: 1854, independent unconditional: 4, dependent: 3017, dependent conditional: 3006, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4875, independent: 1858, independent conditional: 1854, independent unconditional: 4, dependent: 3017, dependent conditional: 3006, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37152, independent: 13377, independent conditional: 13328, independent unconditional: 50, dependent: 23775, dependent conditional: 23448, dependent unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 24, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3241715, independent: 939549, independent conditional: 2833, independent unconditional: 936716, dependent: 2296983, dependent conditional: 1179009, dependent unconditional: 1117974, unknown: 5183, unknown conditional: 4860, unknown unconditional: 323] , Statistics on independence cache: Total cache size (in pairs): 5207, Positive cache size: 2190, Positive conditional cache size: 1878, Positive unconditional cache size: 312, Negative cache size: 3017, Negative conditional cache size: 3006, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2054663, Maximal queried relation: 22, Independence queries for same thread: 737607, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 37, Number of trivial persistent sets: 24, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 350, independent: 342, independent conditional: 0, independent unconditional: 342, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1800239, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 858524, dependent conditional: 858516, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1062632, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 120917, dependent conditional: 120909, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1062632, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 120917, dependent conditional: 120909, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3241715, independent: 941715, independent conditional: 941373, independent unconditional: 342, dependent: 2300000, dependent conditional: 2299992, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3241715, independent: 941715, independent conditional: 4687, independent unconditional: 937028, dependent: 2300000, dependent conditional: 1182015, dependent unconditional: 1117985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3241715, independent: 941715, independent conditional: 4687, independent unconditional: 937028, dependent: 2300000, dependent conditional: 1182015, dependent unconditional: 1117985, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5183, independent: 2166, independent conditional: 1854, independent unconditional: 312, dependent: 3017, dependent conditional: 3006, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5184, independent: 308, independent conditional: 0, independent unconditional: 308, dependent: 4876, dependent conditional: 0, dependent unconditional: 4876, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4875, independent: 1858, independent conditional: 1854, independent unconditional: 4, dependent: 3017, dependent conditional: 3006, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4875, independent: 1858, independent conditional: 1854, independent unconditional: 4, dependent: 3017, dependent conditional: 3006, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37152, independent: 13377, independent conditional: 13328, independent unconditional: 50, dependent: 23775, dependent conditional: 23448, dependent unconditional: 327, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 24, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 3241715, independent: 939549, independent conditional: 2833, independent unconditional: 936716, dependent: 2296983, dependent conditional: 1179009, dependent unconditional: 1117974, unknown: 5183, unknown conditional: 4860, unknown unconditional: 323] , Statistics on independence cache: Total cache size (in pairs): 5207, Positive cache size: 2190, Positive conditional cache size: 1878, Positive unconditional cache size: 312, Negative cache size: 3017, Negative conditional cache size: 3006, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2054663, Maximal queried relation: 22, Independence queries for same thread: 737607 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ATOM-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PolyPacSimplificationTermWalker was simplifying a ∧-5-1 term,while PolyPacSimplificationTermWalker was simplifying 5 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 45 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 829.2s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 447.0s, 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: 3089, 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, 0.9s SatisfiabilityAnalysisTime, 376.2s InterpolantComputationTime, 4220 NumberOfCodeBlocks, 4220 NumberOfCodeBlocksAsserted, 234 NumberOfCheckSat, 6220 ConstructedInterpolants, 178 QuantifiedInterpolants, 417190 SizeOfPredicates, 76 NumberOfNonLiveVariables, 4355 ConjunctsInSsa, 1664 ConjunctsInUnsatCore, 61 InterpolantComputations, 3 PerfectInterpolantSequences, 1781/24551 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: 0, ConComChecker Statistics: CheckTime [ms]: 284, ConditionCalculationTime [ms]: 216, ConditionCalculations: 176, QuantifiedConditions: 0, TraceChecks: 24, UnknownTraceChecks: 0, UnsatisfiedConditions: 24, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown