/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data --traceabstraction.use.conditional.por.in.concurrent.analysis true --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerBplInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 22:54:17,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 22:54:17,969 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-01-22 22:54:17,975 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 22:54:17,975 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 22:54:18,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 22:54:18,009 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 22:54:18,009 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 22:54:18,009 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 22:54:18,009 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 22:54:18,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 22:54:18,010 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 22:54:18,010 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 22:54:18,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 22:54:18,012 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 22:54:18,012 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 22:54:18,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 22:54:18,013 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:54:18,014 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 22:54:18,014 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 22:54:18,015 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 22:54:18,015 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 22:54:18,015 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 22:54:18,015 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 22:54:18,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use conditional POR in concurrent analysis -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT [2025-01-22 22:54:18,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 22:54:18,246 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 22:54:18,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 22:54:18,248 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 22:54:18,249 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 22:54:18,250 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive-alt.wvr.bpl [2025-01-22 22:54:18,250 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive-alt.wvr.bpl' [2025-01-22 22:54:18,262 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 22:54:18,263 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 22:54:18,264 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 22:54:18,264 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 22:54:18,264 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 22:54:18,271 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,275 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,279 INFO L138 Inliner]: procedures = 3, calls = 2, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 22:54:18,280 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 22:54:18,280 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 22:54:18,280 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 22:54:18,281 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 22:54:18,285 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,285 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,287 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,287 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,288 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,289 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,289 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 22:54:18,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 22:54:18,290 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 22:54:18,290 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 22:54:18,291 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/1) ... [2025-01-22 22:54:18,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 22:54:18,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:18,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-01-22 22:54:18,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-01-22 22:54:18,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 22:54:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 22:54:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 22:54:18,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 22:54:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 22:54:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 22:54:18,334 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 22:54:18,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 22:54:18,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 22:54:18,335 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-01-22 22:54:18,369 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 22:54:18,371 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 22:54:18,426 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 22:54:18,426 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 22:54:18,443 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 22:54:18,444 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2025-01-22 22:54:18,444 INFO L201 PluginConnector]: Adding new model send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:54:18 BoogieIcfgContainer [2025-01-22 22:54:18,444 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 22:54:18,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 22:54:18,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 22:54:18,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 22:54:18,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 10:54:18" (1/2) ... [2025-01-22 22:54:18,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9753a98 and model type send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 10:54:18, skipping insertion in model container [2025-01-22 22:54:18,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 10:54:18" (2/2) ... [2025-01-22 22:54:18,451 INFO L128 eAbstractionObserver]: Analyzing ICFG send-receive-alt.wvr.bpl [2025-01-22 22:54:18,461 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 22:54:18,462 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG send-receive-alt.wvr.bpl that has 3 procedures, 16 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-22 22:54:18,462 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 22:54:18,496 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-01-22 22:54:18,532 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:54:18,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 22:54:18,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:18,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-01-22 22:54:18,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-01-22 22:54:18,581 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 22:54:18,594 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 22:54:18,599 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;@2f7d215a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 22:54:18,599 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-01-22 22:54:18,696 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:18,697 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:18,697 INFO L139 ounterexampleChecker]: Examining path program with hash 154405092, occurence #1 [2025-01-22 22:54:18,697 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:18,697 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:18,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:18,702 INFO L85 PathProgramCache]: Analyzing trace with hash 1112294190, now seen corresponding path program 1 times [2025-01-22 22:54:18,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:18,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197259112] [2025-01-22 22:54:18,709 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:18,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:18,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:54:18,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:54:18,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:18,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:54:18,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:18,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197259112] [2025-01-22 22:54:18,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197259112] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:54:18,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:54:18,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 22:54:18,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868009254] [2025-01-22 22:54:18,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:54:18,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:54:18,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:18,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 22:54:18,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 22:54:18,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:18,849 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:18,850 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:18,850 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:18,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 22:54:18,958 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:18,958 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:18,958 INFO L139 ounterexampleChecker]: Examining path program with hash 940793520, occurence #1 [2025-01-22 22:54:18,958 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:18,958 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:18,958 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:18,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1401517169, now seen corresponding path program 1 times [2025-01-22 22:54:18,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:18,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275226972] [2025-01-22 22:54:18,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:18,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:18,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-22 22:54:18,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-22 22:54:18,973 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:18,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:19,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:54:19,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:19,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275226972] [2025-01-22 22:54:19,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275226972] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:54:19,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:54:19,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 22:54:19,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151473401] [2025-01-22 22:54:19,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:54:19,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:54:19,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:19,018 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 22:54:19,018 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 22:54:19,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:19,019 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:19,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:19,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:19,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,098 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-22 22:54:19,098 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:19,098 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:19,098 INFO L139 ounterexampleChecker]: Examining path program with hash 1371739246, occurence #1 [2025-01-22 22:54:19,098 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:19,098 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:19,099 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:19,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1696300823, now seen corresponding path program 2 times [2025-01-22 22:54:19,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:19,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644582560] [2025-01-22 22:54:19,099 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:54:19,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:19,106 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 13 statements into 2 equivalence classes. [2025-01-22 22:54:19,109 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 13 of 13 statements. [2025-01-22 22:54:19,109 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:54:19,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:19,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:54:19,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:19,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644582560] [2025-01-22 22:54:19,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644582560] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:54:19,145 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:54:19,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 22:54:19,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579959053] [2025-01-22 22:54:19,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:54:19,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 22:54:19,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:19,146 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 22:54:19,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 22:54:19,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:19,147 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:19,147 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,147 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-22 22:54:19,261 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:19,262 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:19,262 INFO L139 ounterexampleChecker]: Examining path program with hash -488625163, occurence #1 [2025-01-22 22:54:19,262 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:19,262 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:19,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:19,262 INFO L85 PathProgramCache]: Analyzing trace with hash -307667145, now seen corresponding path program 1 times [2025-01-22 22:54:19,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:19,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981882835] [2025-01-22 22:54:19,262 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:19,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:19,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-22 22:54:19,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-22 22:54:19,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:19,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:19,399 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:54:19,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:19,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981882835] [2025-01-22 22:54:19,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981882835] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:19,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018217296] [2025-01-22 22:54:19,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:19,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:19,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:19,412 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:19,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-01-22 22:54:19,431 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-22 22:54:19,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-22 22:54:19,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:19,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:19,436 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-22 22:54:19,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:19,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:54:19,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:19,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:19,565 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 [2025-01-22 22:54:19,619 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:54:19,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018217296] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:19,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:19,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-22 22:54:19,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675315230] [2025-01-22 22:54:19,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:19,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 22:54:19,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:19,620 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 22:54:19,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2025-01-22 22:54:19,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:19,620 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:19,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.125) internal successors, (25), 7 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:19,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:19,711 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-22 22:54:19,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:19,909 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:19,909 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:19,909 INFO L139 ounterexampleChecker]: Examining path program with hash 1513030677, occurence #1 [2025-01-22 22:54:19,909 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:19,909 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:19,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:19,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1820892166, now seen corresponding path program 1 times [2025-01-22 22:54:19,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:19,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484080895] [2025-01-22 22:54:19,910 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:19,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:19,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-22 22:54:19,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 22:54:19,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:19,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 22:54:19,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:19,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484080895] [2025-01-22 22:54:19,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484080895] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:19,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514968927] [2025-01-22 22:54:19,960 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:19,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:19,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:19,961 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:19,962 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-01-22 22:54:19,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-01-22 22:54:19,986 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 22:54:19,986 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:19,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:19,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-22 22:54:19,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:20,008 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:20,008 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 22:54:20,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514968927] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:54:20,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 22:54:20,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-01-22 22:54:20,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375035477] [2025-01-22 22:54:20,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:54:20,008 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 22:54:20,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:20,009 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 22:54:20,009 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-22 22:54:20,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:20,009 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:20,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.25) internal successors, (17), 3 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) [2025-01-22 22:54:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:20,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:20,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:20,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 22:54:20,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:20,274 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:20,274 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:20,274 INFO L139 ounterexampleChecker]: Examining path program with hash 2041266878, occurence #1 [2025-01-22 22:54:20,274 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:20,274 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:20,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:20,275 INFO L85 PathProgramCache]: Analyzing trace with hash -35784160, now seen corresponding path program 2 times [2025-01-22 22:54:20,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:20,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443492678] [2025-01-22 22:54:20,275 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:54:20,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:20,281 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-22 22:54:20,283 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 22:54:20,283 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:54:20,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-22 22:54:20,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:20,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443492678] [2025-01-22 22:54:20,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443492678] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 22:54:20,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 22:54:20,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-22 22:54:20,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383183525] [2025-01-22 22:54:20,316 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 22:54:20,316 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 22:54:20,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:20,316 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 22:54:20,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 22:54:20,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:20,316 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:20,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:20,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:20,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:20,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:20,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-22 22:54:20,361 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:20,361 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:20,361 INFO L139 ounterexampleChecker]: Examining path program with hash 823711166, occurence #1 [2025-01-22 22:54:20,361 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:20,361 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:20,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:20,361 INFO L85 PathProgramCache]: Analyzing trace with hash -2131107116, now seen corresponding path program 3 times [2025-01-22 22:54:20,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:20,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [702105126] [2025-01-22 22:54:20,361 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:54:20,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:20,364 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 26 statements into 4 equivalence classes. [2025-01-22 22:54:20,370 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 23 of 26 statements. [2025-01-22 22:54:20,370 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 22:54:20,370 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:20,488 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 22:54:20,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:20,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [702105126] [2025-01-22 22:54:20,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [702105126] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:20,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747657449] [2025-01-22 22:54:20,489 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:54:20,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:20,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:20,492 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:20,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-01-22 22:54:20,510 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 26 statements into 4 equivalence classes. [2025-01-22 22:54:20,521 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 23 of 26 statements. [2025-01-22 22:54:20,522 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 22:54:20,522 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:20,523 INFO L256 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-22 22:54:20,526 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:20,624 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 22:54:20,624 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:20,777 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:20,777 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 [2025-01-22 22:54:20,847 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 22:54:20,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747657449] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:20,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:20,848 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2025-01-22 22:54:20,848 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952324896] [2025-01-22 22:54:20,848 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:20,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-01-22 22:54:20,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:20,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-01-22 22:54:20,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2025-01-22 22:54:20,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:20,849 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:20,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 13 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:20,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:20,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:20,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:20,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:20,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:21,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:21,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:21,011 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-01-22 22:54:21,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:21,210 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:21,210 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:21,210 INFO L139 ounterexampleChecker]: Examining path program with hash 823711166, occurence #2 [2025-01-22 22:54:21,210 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:54:21,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:54:21,211 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:21,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:54:21,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:21,229 INFO L85 PathProgramCache]: Analyzing trace with hash 79578499, now seen corresponding path program 1 times [2025-01-22 22:54:21,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:21,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727567696] [2025-01-22 22:54:21,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:21,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:21,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:54:21,234 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:54:21,234 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:21,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:21,234 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:21,234 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:21,234 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:54:21,234 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:21,235 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:54:21,250 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:21,250 INFO L85 PathProgramCache]: Analyzing trace with hash 1192545776, now seen corresponding path program 1 times [2025-01-22 22:54:21,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:21,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [187500110] [2025-01-22 22:54:21,250 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:21,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:21,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:54:21,254 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:54:21,254 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:21,255 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:21,255 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:21,255 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:21,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:54:21,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:21,255 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:54:21,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-01-22 22:54:21,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:21,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-01-22 22:54:21,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:21,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-01-22 22:54:21,255 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:21,255 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:54:21,255 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:21,256 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:54:21,256 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:21,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:21,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1448888907, now seen corresponding path program 4 times [2025-01-22 22:54:21,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:21,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198875060] [2025-01-22 22:54:21,256 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:54:21,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:21,260 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-01-22 22:54:21,288 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-22 22:54:21,288 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:54:21,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:21,463 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 22:54:21,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:21,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198875060] [2025-01-22 22:54:21,463 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198875060] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:21,463 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [920016139] [2025-01-22 22:54:21,463 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:54:21,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:21,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:21,467 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:21,468 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-01-22 22:54:21,487 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 30 statements into 2 equivalence classes. [2025-01-22 22:54:21,496 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-01-22 22:54:21,496 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:54:21,496 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:21,496 INFO L256 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-22 22:54:21,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:21,634 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 11 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 22:54:21,634 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:21,875 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:21,875 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 [2025-01-22 22:54:22,050 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-01-22 22:54:22,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [920016139] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:22,051 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:22,051 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2025-01-22 22:54:22,051 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121860245] [2025-01-22 22:54:22,051 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:22,051 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-22 22:54:22,051 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:22,052 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-22 22:54:22,052 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2025-01-22 22:54:22,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:22,052 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:22,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 2.9) internal successors, (58), 19 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:22,052 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:22,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:22,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:22,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-22 22:54:22,690 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-22 22:54:22,691 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:22,691 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:22,691 INFO L139 ounterexampleChecker]: Examining path program with hash -1579879796, occurence #1 [2025-01-22 22:54:22,691 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:22,691 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:22,691 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:22,691 INFO L85 PathProgramCache]: Analyzing trace with hash 321894486, now seen corresponding path program 5 times [2025-01-22 22:54:22,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:22,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676214305] [2025-01-22 22:54:22,691 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:54:22,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:22,695 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 42 statements into 7 equivalence classes. [2025-01-22 22:54:22,714 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 42 of 42 statements. [2025-01-22 22:54:22,714 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-22 22:54:22,714 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:23,246 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 1 proven. 57 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-22 22:54:23,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:23,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676214305] [2025-01-22 22:54:23,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676214305] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:23,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733238220] [2025-01-22 22:54:23,247 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:54:23,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:23,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:23,250 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:23,251 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-01-22 22:54:23,268 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 42 statements into 7 equivalence classes. [2025-01-22 22:54:23,282 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) and asserted 42 of 42 statements. [2025-01-22 22:54:23,282 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2025-01-22 22:54:23,282 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:23,283 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 50 conjuncts are in the unsatisfiable core [2025-01-22 22:54:23,285 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:23,727 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 14 proven. 47 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:23,727 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:24,307 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,309 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,310 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,311 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,312 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,312 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,313 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,318 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,319 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,320 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,320 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,321 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,323 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,324 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,326 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:24,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:24,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 118 treesize of output 250 [2025-01-22 22:54:24,577 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:24,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733238220] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:24,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:24,578 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 14] total 36 [2025-01-22 22:54:24,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060993569] [2025-01-22 22:54:24,578 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:24,578 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-22 22:54:24,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:24,579 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-22 22:54:24,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1091, Unknown=0, NotChecked=0, Total=1332 [2025-01-22 22:54:24,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:24,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:24,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.810810810810811) internal successors, (104), 36 states have internal predecessors, (104), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:24,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:25,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:25,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:25,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-22 22:54:25,871 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-01-22 22:54:25,872 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:25,872 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:25,872 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #1 [2025-01-22 22:54:25,872 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:25,872 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:25,872 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:25,872 INFO L85 PathProgramCache]: Analyzing trace with hash 1770555507, now seen corresponding path program 6 times [2025-01-22 22:54:25,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:25,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168539551] [2025-01-22 22:54:25,872 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:54:25,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:25,876 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 46 statements into 7 equivalence classes. [2025-01-22 22:54:25,890 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 46 of 46 statements. [2025-01-22 22:54:25,890 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-01-22 22:54:25,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:26,505 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 7 proven. 65 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-22 22:54:26,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:26,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168539551] [2025-01-22 22:54:26,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168539551] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:26,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628903754] [2025-01-22 22:54:26,506 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:54:26,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:26,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:26,507 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:26,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-01-22 22:54:26,528 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 46 statements into 7 equivalence classes. [2025-01-22 22:54:26,542 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) and asserted 46 of 46 statements. [2025-01-22 22:54:26,542 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2025-01-22 22:54:26,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:26,543 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-01-22 22:54:26,544 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:26,999 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:27,597 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,598 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,598 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,599 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,599 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,601 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,602 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,606 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,607 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,608 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,610 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,610 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,610 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,611 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,617 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,617 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,618 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,618 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,618 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,621 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,621 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 22:54:27,712 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:27,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 63 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 136 treesize of output 324 [2025-01-22 22:54:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 2 proven. 73 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:27,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628903754] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:27,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:27,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 16, 16] total 42 [2025-01-22 22:54:27,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043247497] [2025-01-22 22:54:27,916 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:27,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-22 22:54:27,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:27,917 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-22 22:54:27,918 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=1503, Unknown=0, NotChecked=0, Total=1806 [2025-01-22 22:54:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:27,918 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:27,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 2.8372093023255816) internal successors, (122), 42 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:27,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:29,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:29,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:54:29,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-22 22:54:29,542 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:29,543 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:29,543 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:29,543 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #1 [2025-01-22 22:54:29,543 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 22:54:29,543 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:29,543 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:29,544 INFO L85 PathProgramCache]: Analyzing trace with hash -1189198192, now seen corresponding path program 7 times [2025-01-22 22:54:29,544 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:29,544 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5958852] [2025-01-22 22:54:29,544 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:54:29,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:29,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-22 22:54:29,555 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-22 22:54:29,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:29,556 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:30,171 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 1 proven. 103 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 22:54:30,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:30,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5958852] [2025-01-22 22:54:30,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5958852] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:30,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1032551394] [2025-01-22 22:54:30,171 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:54:30,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:30,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:30,173 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:30,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-01-22 22:54:30,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-22 22:54:30,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-22 22:54:30,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:30,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:30,207 WARN L254 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-01-22 22:54:30,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:31,117 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:31,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 65 treesize of output 33 [2025-01-22 22:54:31,126 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 14 proven. 94 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:31,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:32,204 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:32,205 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 [2025-01-22 22:54:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 11 proven. 97 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:33,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1032551394] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:33,412 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:33,412 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 21, 18] total 50 [2025-01-22 22:54:33,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2672422] [2025-01-22 22:54:33,412 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:33,412 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2025-01-22 22:54:33,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:33,413 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2025-01-22 22:54:33,413 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=2209, Unknown=0, NotChecked=0, Total=2550 [2025-01-22 22:54:33,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:33,414 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:33,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 2.843137254901961) internal successors, (145), 50 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:54:33,414 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:54:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:54:34,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-01-22 22:54:35,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:35,181 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:35,181 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:35,181 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #2 [2025-01-22 22:54:35,181 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:54:35,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:54:35,181 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:35,181 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:54:35,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:35,191 INFO L85 PathProgramCache]: Analyzing trace with hash 79578573, now seen corresponding path program 1 times [2025-01-22 22:54:35,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:35,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1922762266] [2025-01-22 22:54:35,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:35,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:35,192 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:54:35,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:54:35,193 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:35,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:35,193 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:35,193 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:35,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:54:35,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:54:35,205 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:35,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1192545850, now seen corresponding path program 1 times [2025-01-22 22:54:35,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:35,206 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389255778] [2025-01-22 22:54:35,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:35,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:35,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:54:35,208 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:54:35,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:35,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:35,209 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:35,209 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:35,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:54:35,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,209 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:54:35,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:54:35,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,209 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:54:35,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:54:35,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:54:35,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:54:35,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:54:35,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:54:35,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:54:35,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:54:35,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,210 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 38 is hopeless, skipping. [2025-01-22 22:54:35,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-01-22 22:54:35,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:35,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 22:54:35,210 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:35,210 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:54:35,210 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:35,210 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:35,210 INFO L85 PathProgramCache]: Analyzing trace with hash 213530253, now seen corresponding path program 8 times [2025-01-22 22:54:35,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:35,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561400551] [2025-01-22 22:54:35,211 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:54:35,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:35,221 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 66 statements into 2 equivalence classes. [2025-01-22 22:54:35,234 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 66 of 66 statements. [2025-01-22 22:54:35,234 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:54:35,234 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:35,955 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:54:35,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:35,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1561400551] [2025-01-22 22:54:35,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1561400551] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:35,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857181111] [2025-01-22 22:54:35,956 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:54:35,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:35,956 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:35,957 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:35,959 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-01-22 22:54:35,977 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 66 statements into 2 equivalence classes. [2025-01-22 22:54:35,994 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 66 of 66 statements. [2025-01-22 22:54:35,994 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:54:35,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:35,997 WARN L254 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 87 conjuncts are in the unsatisfiable core [2025-01-22 22:54:36,004 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:37,233 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:37,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 72 treesize of output 36 [2025-01-22 22:54:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 14 proven. 140 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:54:37,241 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:38,654 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:54:38,654 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 [2025-01-22 22:54:40,274 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 27 proven. 125 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:54:40,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857181111] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:40,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:40,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 25, 20] total 57 [2025-01-22 22:54:40,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1888459692] [2025-01-22 22:54:40,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:40,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-01-22 22:54:40,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:40,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-01-22 22:54:40,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=2898, Unknown=0, NotChecked=0, Total=3306 [2025-01-22 22:54:40,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:40,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:40,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.9655172413793105) internal successors, (172), 57 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:54:40,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:54:42,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:54:42,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:54:42,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-22 22:54:42,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:42,360 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:42,360 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:42,360 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #2 [2025-01-22 22:54:42,360 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:54:42,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:54:42,361 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:42,361 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:54:42,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:42,371 INFO L85 PathProgramCache]: Analyzing trace with hash 79578605, now seen corresponding path program 1 times [2025-01-22 22:54:42,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:42,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882385313] [2025-01-22 22:54:42,371 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:42,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:42,372 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:54:42,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:54:42,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:42,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:42,373 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:42,373 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:42,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:54:42,373 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,373 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:54:42,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:42,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1192545882, now seen corresponding path program 1 times [2025-01-22 22:54:42,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:42,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115300010] [2025-01-22 22:54:42,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:42,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:42,382 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:54:42,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:54:42,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:42,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:42,383 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:42,383 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:42,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:54:42,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,383 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:54:42,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:54:42,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,383 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:54:42,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:54:42,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,383 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:54:42,383 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 44 is hopeless, skipping. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-01-22 22:54:42,384 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:42,384 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-01-22 22:54:42,384 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:42,384 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:54:42,384 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:42,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:42,384 INFO L85 PathProgramCache]: Analyzing trace with hash -1871435862, now seen corresponding path program 9 times [2025-01-22 22:54:42,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:42,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580621036] [2025-01-22 22:54:42,385 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:54:42,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:42,387 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 76 statements into 9 equivalence classes. [2025-01-22 22:54:42,404 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 76 of 76 statements. [2025-01-22 22:54:42,404 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-22 22:54:42,404 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 0 proven. 197 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-22 22:54:43,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:43,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580621036] [2025-01-22 22:54:43,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580621036] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:43,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097508350] [2025-01-22 22:54:43,363 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:54:43,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:43,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:43,365 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:43,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-01-22 22:54:43,383 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 76 statements into 9 equivalence classes. [2025-01-22 22:54:43,406 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 76 of 76 statements. [2025-01-22 22:54:43,407 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-22 22:54:43,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:43,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 85 conjuncts are in the unsatisfiable core [2025-01-22 22:54:43,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:54:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 14 proven. 193 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:54:44,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:54:47,917 INFO L349 Elim1Store]: treesize reduction 75, result has 93.6 percent of original size [2025-01-22 22:54:47,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 202 treesize of output 1187 [2025-01-22 22:54:53,815 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 49 proven. 158 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:54:53,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097508350] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:54:53,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:54:53,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 22, 23] total 59 [2025-01-22 22:54:53,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586596139] [2025-01-22 22:54:53,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:54:53,815 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 60 states [2025-01-22 22:54:53,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:54:53,816 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2025-01-22 22:54:53,817 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=470, Invalid=3070, Unknown=0, NotChecked=0, Total=3540 [2025-01-22 22:54:53,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:53,817 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:54:53,817 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 60 states, 60 states have (on average 3.1666666666666665) internal successors, (190), 59 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:54:53,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:54:56,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:54:56,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:54:56,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-01-22 22:54:56,691 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16,SelfDestructingSolverStorable17 [2025-01-22 22:54:56,691 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:54:56,691 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:54:56,691 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #3 [2025-01-22 22:54:56,691 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:54:56,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:54:56,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:56,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:54:56,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:56,703 INFO L85 PathProgramCache]: Analyzing trace with hash 79578637, now seen corresponding path program 1 times [2025-01-22 22:54:56,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:56,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898947752] [2025-01-22 22:54:56,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:56,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:56,704 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:54:56,704 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:54:56,704 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:56,704 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:56,704 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:56,704 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:56,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:54:56,704 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,704 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:54:56,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:56,716 INFO L85 PathProgramCache]: Analyzing trace with hash 1192545914, now seen corresponding path program 1 times [2025-01-22 22:54:56,716 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:54:56,716 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990920762] [2025-01-22 22:54:56,716 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:54:56,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:56,717 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:54:56,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:54:56,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:54:56,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:54:56,718 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:54:56,718 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:54:56,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:54:56,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,718 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:54:56,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:54:56,718 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,718 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:54:56,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,719 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:54:56,719 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,720 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 44 is hopeless, skipping. [2025-01-22 22:54:56,720 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-22 22:54:56,720 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:54:56,720 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-01-22 22:54:56,720 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:54:56,720 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:54:56,720 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:54:56,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:54:56,720 INFO L85 PathProgramCache]: Analyzing trace with hash -979554873, now seen corresponding path program 10 times [2025-01-22 22:54:56,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:54:56,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019737116] [2025-01-22 22:54:56,720 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:54:56,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:54:56,723 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 80 statements into 2 equivalence classes. [2025-01-22 22:54:56,734 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-22 22:54:56,734 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:54:56,734 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:58,031 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 0 proven. 235 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:54:58,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:54:58,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019737116] [2025-01-22 22:54:58,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019737116] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:54:58,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [530691231] [2025-01-22 22:54:58,032 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:54:58,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:54:58,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:54:58,034 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 22:54:58,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-01-22 22:54:58,054 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 80 statements into 2 equivalence classes. [2025-01-22 22:54:58,070 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-22 22:54:58,071 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:54:58,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:54:58,072 WARN L254 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-01-22 22:54:58,077 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:55:00,007 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:55:00,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 88 treesize of output 44 [2025-01-22 22:55:00,019 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 14 proven. 228 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:55:00,019 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:55:02,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:55:02,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 0 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 231 case distinctions, treesize of input 212 treesize of output 1274 [2025-01-22 22:55:04,885 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 49 proven. 191 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:55:04,885 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [530691231] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:55:04,885 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:55:04,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 31, 24] total 71 [2025-01-22 22:55:04,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1669635153] [2025-01-22 22:55:04,885 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:55:04,886 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-22 22:55:04,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:55:04,886 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-22 22:55:04,887 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=562, Invalid=4550, Unknown=0, NotChecked=0, Total=5112 [2025-01-22 22:55:04,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:04,887 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:55:04,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 2.9722222222222223) internal successors, (214), 71 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:04,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:07,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:55:07,974 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-22 22:55:08,169 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21 [2025-01-22 22:55:08,169 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:55:08,169 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:55:08,169 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #3 [2025-01-22 22:55:08,169 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:55:08,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:55:08,169 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:08,169 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:55:08,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:08,179 INFO L85 PathProgramCache]: Analyzing trace with hash 79578673, now seen corresponding path program 1 times [2025-01-22 22:55:08,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:08,179 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337484152] [2025-01-22 22:55:08,179 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:08,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:08,180 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:55:08,180 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:55:08,180 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:08,180 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:08,180 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:08,180 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:08,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:55:08,180 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,180 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:55:08,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:08,188 INFO L85 PathProgramCache]: Analyzing trace with hash 1192545950, now seen corresponding path program 1 times [2025-01-22 22:55:08,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:08,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251263518] [2025-01-22 22:55:08,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:08,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:08,189 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:55:08,190 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:55:08,190 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:08,190 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:08,190 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:08,190 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:08,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:55:08,190 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,190 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:55:08,190 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 50 is hopeless, skipping. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-01-22 22:55:08,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:08,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-22 22:55:08,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:08,191 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:55:08,191 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:55:08,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:08,192 INFO L85 PathProgramCache]: Analyzing trace with hash 390523364, now seen corresponding path program 11 times [2025-01-22 22:55:08,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:55:08,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459761215] [2025-01-22 22:55:08,192 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:55:08,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:08,194 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 90 statements into 11 equivalence classes. [2025-01-22 22:55:08,210 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 90 of 90 statements. [2025-01-22 22:55:08,210 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-01-22 22:55:08,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:55:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 0 proven. 302 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-22 22:55:09,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:55:09,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459761215] [2025-01-22 22:55:09,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459761215] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:55:09,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [328661177] [2025-01-22 22:55:09,174 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:55:09,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:55:09,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:55:09,175 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) [2025-01-22 22:55:09,176 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 [2025-01-22 22:55:09,192 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 90 statements into 11 equivalence classes. [2025-01-22 22:55:09,211 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 90 of 90 statements. [2025-01-22 22:55:09,211 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-01-22 22:55:09,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:55:09,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 97 conjuncts are in the unsatisfiable core [2025-01-22 22:55:09,214 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:55:11,010 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 14 proven. 298 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:55:11,010 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:55:13,769 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:55:13,770 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 [2025-01-22 22:55:17,205 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 79 proven. 233 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:55:17,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [328661177] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:55:17,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:55:17,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 26, 26] total 68 [2025-01-22 22:55:17,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512389529] [2025-01-22 22:55:17,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:55:17,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2025-01-22 22:55:17,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:55:17,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2025-01-22 22:55:17,207 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=4160, Unknown=0, NotChecked=0, Total=4692 [2025-01-22 22:55:17,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:17,207 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:55:17,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 3.3333333333333335) internal successors, (230), 68 states have internal predecessors, (230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:55:17,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:17,207 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:55:17,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:21,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:55:21,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:55:21,090 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-22 22:55:21,283 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-01-22 22:55:21,284 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:55:21,284 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:55:21,284 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #4 [2025-01-22 22:55:21,284 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:55:21,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:55:21,284 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:21,284 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:55:21,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:21,293 INFO L85 PathProgramCache]: Analyzing trace with hash 79578709, now seen corresponding path program 1 times [2025-01-22 22:55:21,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:21,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610379873] [2025-01-22 22:55:21,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:21,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:21,294 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:55:21,295 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:55:21,295 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:21,295 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:21,295 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:21,295 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:21,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:55:21,295 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,295 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:55:21,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:21,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1192545986, now seen corresponding path program 1 times [2025-01-22 22:55:21,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:21,306 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508622295] [2025-01-22 22:55:21,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:21,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:21,307 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:55:21,308 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:55:21,308 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:21,308 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:21,308 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:21,308 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:55:21,309 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,309 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:55:21,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,310 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 50 is hopeless, skipping. [2025-01-22 22:55:21,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-01-22 22:55:21,310 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:21,310 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-01-22 22:55:21,310 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:21,310 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:55:21,310 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:55:21,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:21,310 INFO L85 PathProgramCache]: Analyzing trace with hash 1148207873, now seen corresponding path program 12 times [2025-01-22 22:55:21,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:55:21,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894885235] [2025-01-22 22:55:21,310 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:55:21,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:21,315 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 94 statements into 11 equivalence classes. [2025-01-22 22:55:21,326 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 94 of 94 statements. [2025-01-22 22:55:21,326 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-01-22 22:55:21,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:55:22,763 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 5 proven. 347 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:55:22,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:55:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894885235] [2025-01-22 22:55:22,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894885235] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:55:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761923335] [2025-01-22 22:55:22,764 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:55:22,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:55:22,764 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:55:22,765 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) [2025-01-22 22:55:22,767 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 [2025-01-22 22:55:22,786 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 94 statements into 11 equivalence classes. [2025-01-22 22:55:22,813 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 94 of 94 statements. [2025-01-22 22:55:22,813 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-01-22 22:55:22,813 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:55:22,815 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 105 conjuncts are in the unsatisfiable core [2025-01-22 22:55:22,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:55:25,085 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 14 proven. 338 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:55:25,085 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:55:28,510 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:55:28,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 0 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 325 case distinctions, treesize of input 250 treesize of output 1764 [2025-01-22 22:55:33,798 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 77 proven. 275 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:55:33,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761923335] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:55:33,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:55:33,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 28, 28] total 79 [2025-01-22 22:55:33,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281482238] [2025-01-22 22:55:33,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:55:33,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 80 states [2025-01-22 22:55:33,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:55:33,799 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2025-01-22 22:55:33,800 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=761, Invalid=5559, Unknown=0, NotChecked=0, Total=6320 [2025-01-22 22:55:33,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:33,800 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:55:33,800 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 80 states, 80 states have (on average 3.3125) internal successors, (265), 79 states have internal predecessors, (265), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:55:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:33,800 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:55:33,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:55:37,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:55:37,865 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-01-22 22:55:38,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27 [2025-01-22 22:55:38,060 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:55:38,060 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:55:38,060 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #4 [2025-01-22 22:55:38,060 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:55:38,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:55:38,060 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:38,060 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:55:38,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:38,069 INFO L85 PathProgramCache]: Analyzing trace with hash 79578745, now seen corresponding path program 1 times [2025-01-22 22:55:38,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:38,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1326501] [2025-01-22 22:55:38,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:38,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:38,070 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:55:38,071 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:55:38,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:38,071 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:38,071 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:38,071 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:38,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:55:38,071 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,071 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:55:38,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:38,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546022, now seen corresponding path program 1 times [2025-01-22 22:55:38,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:38,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104564532] [2025-01-22 22:55:38,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:38,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:38,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:55:38,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:55:38,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:38,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:38,081 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:38,081 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:38,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:55:38,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,081 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:55:38,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:55:38,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,081 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:55:38,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:55:38,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:55:38,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:55:38,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:55:38,081 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,081 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 50 is hopeless, skipping. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-01-22 22:55:38,082 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:38,082 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-01-22 22:55:38,082 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:38,082 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:55:38,082 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:55:38,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:38,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1072650946, now seen corresponding path program 13 times [2025-01-22 22:55:38,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:55:38,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913141101] [2025-01-22 22:55:38,082 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:55:38,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:38,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-22 22:55:38,095 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-22 22:55:38,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:38,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:55:39,638 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 0 proven. 388 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-22 22:55:39,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:55:39,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913141101] [2025-01-22 22:55:39,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913141101] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:55:39,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2087633404] [2025-01-22 22:55:39,638 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:55:39,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:55:39,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:55:39,640 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) [2025-01-22 22:55:39,641 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 [2025-01-22 22:55:39,659 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-01-22 22:55:39,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-01-22 22:55:39,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:39,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:55:39,678 WARN L254 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 135 conjuncts are in the unsatisfiable core [2025-01-22 22:55:39,680 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:55:43,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:55:43,189 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 113 treesize of output 57 [2025-01-22 22:55:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 14 proven. 379 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:55:43,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:55:47,606 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:55:47,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 0 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 378 case distinctions, treesize of input 270 treesize of output 2040 [2025-01-22 22:55:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 71 proven. 322 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:55:52,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2087633404] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:55:52,275 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:55:52,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 39, 30] total 91 [2025-01-22 22:55:52,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1735402133] [2025-01-22 22:55:52,275 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:55:52,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2025-01-22 22:55:52,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:55:52,276 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2025-01-22 22:55:52,277 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=816, Invalid=7556, Unknown=0, NotChecked=0, Total=8372 [2025-01-22 22:55:52,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:52,277 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:55:52,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 2.9347826086956523) internal successors, (270), 91 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:55:52,278 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:55:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:55:57,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:55:57,782 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-01-22 22:55:57,977 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable28 [2025-01-22 22:55:57,977 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:55:57,977 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:55:57,977 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #5 [2025-01-22 22:55:57,977 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:55:57,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:55:57,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:57,978 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:55:57,989 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:57,989 INFO L85 PathProgramCache]: Analyzing trace with hash 79578785, now seen corresponding path program 1 times [2025-01-22 22:55:57,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:57,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [500548502] [2025-01-22 22:55:57,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:57,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:57,990 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:55:57,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:55:57,990 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:57,990 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:57,991 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:57,991 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:57,991 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:55:57,991 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:57,991 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:55:58,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:58,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546062, now seen corresponding path program 1 times [2025-01-22 22:55:58,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:55:58,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667608888] [2025-01-22 22:55:58,001 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:55:58,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:58,002 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:55:58,003 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:55:58,003 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:55:58,003 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:55:58,003 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:55:58,003 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:55:58,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:55:58,003 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,003 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:55:58,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:55:58,003 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,003 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:55:58,003 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:55:58,003 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 56 is hopeless, skipping. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-01-22 22:55:58,004 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:55:58,004 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-01-22 22:55:58,004 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:55:58,004 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:55:58,004 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:55:58,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:55:58,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1268550085, now seen corresponding path program 14 times [2025-01-22 22:55:58,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:55:58,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478613076] [2025-01-22 22:55:58,005 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:55:58,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:55:58,010 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-22 22:55:58,022 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-22 22:55:58,022 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:55:58,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:56:00,346 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 0 proven. 483 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:56:00,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:56:00,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478613076] [2025-01-22 22:56:00,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478613076] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:56:00,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [922015859] [2025-01-22 22:56:00,347 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 22:56:00,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:56:00,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:56:00,348 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) [2025-01-22 22:56:00,349 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 [2025-01-22 22:56:00,369 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 108 statements into 2 equivalence classes. [2025-01-22 22:56:00,387 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 108 of 108 statements. [2025-01-22 22:56:00,387 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 22:56:00,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:56:00,389 WARN L254 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 147 conjuncts are in the unsatisfiable core [2025-01-22 22:56:00,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:56:04,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:56:04,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 120 treesize of output 60 [2025-01-22 22:56:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 14 proven. 476 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:56:04,874 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:56:10,300 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:56:10,300 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 [2025-01-22 22:56:18,424 INFO L134 CoverageAnalysis]: Checked inductivity of 491 backedges. 111 proven. 377 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:56:18,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [922015859] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:56:18,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:56:18,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 43, 32] total 99 [2025-01-22 22:56:18,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886677701] [2025-01-22 22:56:18,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:56:18,425 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-01-22 22:56:18,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:56:18,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-01-22 22:56:18,427 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=939, Invalid=8961, Unknown=0, NotChecked=0, Total=9900 [2025-01-22 22:56:18,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:56:18,427 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:56:18,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 2.98) internal successors, (298), 99 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:56:18,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:56:25,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:56:25,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:56:25,132 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-22 22:56:25,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2025-01-22 22:56:25,327 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:56:25,327 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:56:25,327 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #5 [2025-01-22 22:56:25,327 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:56:25,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:56:25,327 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:56:25,327 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:56:25,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:56:25,339 INFO L85 PathProgramCache]: Analyzing trace with hash 79578829, now seen corresponding path program 1 times [2025-01-22 22:56:25,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:56:25,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306881183] [2025-01-22 22:56:25,339 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:56:25,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:56:25,340 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:56:25,340 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:56:25,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:56:25,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:56:25,340 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:56:25,340 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:56:25,340 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:56:25,340 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,341 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:56:25,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:56:25,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546106, now seen corresponding path program 1 times [2025-01-22 22:56:25,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:56:25,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104830877] [2025-01-22 22:56:25,349 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:56:25,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:56:25,350 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:56:25,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:56:25,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:56:25,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:56:25,350 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:56:25,350 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:56:25,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 22:56:25,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 22:56:25,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 22:56:25,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 22:56:25,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,352 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 62 is hopeless, skipping. [2025-01-22 22:56:25,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-01-22 22:56:25,352 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:25,352 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-01-22 22:56:25,352 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:56:25,352 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:56:25,352 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:56:25,352 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:56:25,352 INFO L85 PathProgramCache]: Analyzing trace with hash -2059810728, now seen corresponding path program 15 times [2025-01-22 22:56:25,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:56:25,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636613677] [2025-01-22 22:56:25,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:56:25,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:56:25,356 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 118 statements into 14 equivalence classes. [2025-01-22 22:56:25,403 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 118 of 118 statements. [2025-01-22 22:56:25,403 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-01-22 22:56:25,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:56:27,525 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 584 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-22 22:56:27,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:56:27,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1636613677] [2025-01-22 22:56:27,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1636613677] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:56:27,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192332934] [2025-01-22 22:56:27,526 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 22:56:27,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:56:27,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:56:27,527 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) [2025-01-22 22:56:27,528 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 [2025-01-22 22:56:27,551 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 118 statements into 14 equivalence classes. [2025-01-22 22:56:27,582 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 118 of 118 statements. [2025-01-22 22:56:27,582 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-01-22 22:56:27,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:56:27,584 INFO L256 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 129 conjuncts are in the unsatisfiable core [2025-01-22 22:56:27,586 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:56:31,319 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 14 proven. 580 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:56:31,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:56:37,302 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:56:37,303 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 [2025-01-22 22:56:48,129 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 157 proven. 437 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:56:48,129 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192332934] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:56:48,129 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:56:48,129 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 34, 34] total 94 [2025-01-22 22:56:48,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712748107] [2025-01-22 22:56:48,129 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:56:48,129 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2025-01-22 22:56:48,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:56:48,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2025-01-22 22:56:48,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1141, Invalid=7789, Unknown=0, NotChecked=0, Total=8930 [2025-01-22 22:56:48,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:56:48,131 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:56:48,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 3.3263157894736843) internal successors, (316), 94 states have internal predecessors, (316), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:56:48,132 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:56:54,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:56:54,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 22:56:54,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-22 22:56:54,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36 [2025-01-22 22:56:54,909 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:56:54,909 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:56:54,910 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #6 [2025-01-22 22:56:54,910 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:56:54,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:56:54,910 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:56:54,910 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:56:54,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:56:54,922 INFO L85 PathProgramCache]: Analyzing trace with hash 79578873, now seen corresponding path program 1 times [2025-01-22 22:56:54,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:56:54,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582180444] [2025-01-22 22:56:54,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:56:54,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:56:54,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:56:54,923 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:56:54,923 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:56:54,923 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:56:54,923 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:56:54,923 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:56:54,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:56:54,924 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,924 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:56:54,932 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:56:54,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546150, now seen corresponding path program 1 times [2025-01-22 22:56:54,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:56:54,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854736147] [2025-01-22 22:56:54,932 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:56:54,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:56:54,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:56:54,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:56:54,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:56:54,934 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:56:54,934 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:56:54,934 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:56:54,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:56:54,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,934 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:56:54,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:56:54,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,934 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:56:54,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:56:54,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:56:54,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:56:54,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 62 is hopeless, skipping. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-22 22:56:54,935 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:56:54,935 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-22 22:56:54,935 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:56:54,935 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:56:54,935 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:56:54,936 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:56:54,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1473853579, now seen corresponding path program 16 times [2025-01-22 22:56:54,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:56:54,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309588301] [2025-01-22 22:56:54,936 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:56:54,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:56:54,939 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-01-22 22:56:54,952 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-22 22:56:54,952 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:56:54,952 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:56:57,408 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 643 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:56:57,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:56:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309588301] [2025-01-22 22:56:57,408 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [309588301] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:56:57,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325537185] [2025-01-22 22:56:57,408 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 22:56:57,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:56:57,409 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:56:57,410 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) [2025-01-22 22:56:57,411 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 [2025-01-22 22:56:57,431 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 122 statements into 2 equivalence classes. [2025-01-22 22:56:57,451 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 122 of 122 statements. [2025-01-22 22:56:57,451 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 22:56:57,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:56:57,454 WARN L254 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 167 conjuncts are in the unsatisfiable core [2025-01-22 22:56:57,455 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:57:03,662 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:57:03,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 136 treesize of output 68 [2025-01-22 22:57:03,672 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 14 proven. 636 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:57:03,672 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:57:11,440 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:57:11,441 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 [2025-01-22 22:57:24,256 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 151 proven. 497 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 22:57:24,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325537185] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:57:24,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:57:24,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 49, 36] total 113 [2025-01-22 22:57:24,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013523537] [2025-01-22 22:57:24,257 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:57:24,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2025-01-22 22:57:24,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:57:24,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2025-01-22 22:57:24,259 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1162, Invalid=11720, Unknown=0, NotChecked=0, Total=12882 [2025-01-22 22:57:24,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:57:24,260 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:57:24,260 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 2.982456140350877) internal successors, (340), 113 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 22:57:24,260 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:57:32,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 22:57:32,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 22:57:32,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-22 22:57:32,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-01-22 22:57:32,912 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:57:32,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:57:32,913 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #6 [2025-01-22 22:57:32,913 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:57:32,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:57:32,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:57:32,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:57:32,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:57:32,921 INFO L85 PathProgramCache]: Analyzing trace with hash 79578921, now seen corresponding path program 1 times [2025-01-22 22:57:32,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:57:32,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003032991] [2025-01-22 22:57:32,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:57:32,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:57:32,922 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:57:32,922 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:57:32,922 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:57:32,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:57:32,922 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:57:32,922 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:57:32,922 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:57:32,922 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,923 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:57:32,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:57:32,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546198, now seen corresponding path program 1 times [2025-01-22 22:57:32,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:57:32,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514578553] [2025-01-22 22:57:32,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:57:32,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:57:32,932 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:57:32,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:57:32,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:57:32,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:57:32,933 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:57:32,933 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:57:32,933 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,933 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 68 is hopeless, skipping. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-01-22 22:57:32,934 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:57:32,934 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-01-22 22:57:32,934 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:57:32,934 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:57:32,934 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:57:32,934 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:57:32,934 INFO L85 PathProgramCache]: Analyzing trace with hash -918952814, now seen corresponding path program 17 times [2025-01-22 22:57:32,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:57:32,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561740300] [2025-01-22 22:57:32,935 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:57:32,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:57:32,937 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 132 statements into 15 equivalence classes. [2025-01-22 22:57:32,956 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 132 of 132 statements. [2025-01-22 22:57:32,956 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-01-22 22:57:32,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:57:35,255 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 6 proven. 762 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2025-01-22 22:57:35,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:57:35,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561740300] [2025-01-22 22:57:35,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [561740300] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:57:35,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933057622] [2025-01-22 22:57:35,255 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 22:57:35,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:57:35,256 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:57:35,257 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) [2025-01-22 22:57:35,258 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 [2025-01-22 22:57:35,282 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 132 statements into 15 equivalence classes. [2025-01-22 22:57:35,332 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) and asserted 132 of 132 statements. [2025-01-22 22:57:35,332 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2025-01-22 22:57:35,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:57:35,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 161 conjuncts are in the unsatisfiable core [2025-01-22 22:57:35,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:57:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 14 proven. 764 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:57:41,794 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:57:57,943 WARN L286 SmtUtils]: Spent 9.34s on a formula simplification. DAG size of input: 1243 DAG size of output: 1180 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 22:57:57,943 INFO L349 Elim1Store]: treesize reduction 135, result has 96.2 percent of original size [2025-01-22 22:57:57,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 37 select indices, 37 select index equivalence classes, 0 disjoint index pairs (out of 666 index pairs), introduced 37 new quantified variables, introduced 666 case distinctions, treesize of input 354 treesize of output 3567 [2025-01-22 22:58:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 205 proven. 566 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 22:58:37,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933057622] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:58:37,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:58:37,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 44, 39] total 114 [2025-01-22 22:58:37,225 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823432775] [2025-01-22 22:58:37,225 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:58:37,225 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-01-22 22:58:37,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:58:37,226 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-01-22 22:58:37,226 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1302, Invalid=11808, Unknown=0, NotChecked=0, Total=13110 [2025-01-22 22:58:37,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:58:37,226 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:58:37,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 3.1913043478260867) internal successors, (367), 114 states have internal predecessors, (367), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-22 22:58:37,227 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:58:48,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 22:58:48,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-01-22 22:58:48,909 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2025-01-22 22:58:49,105 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:58:49,105 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:58:49,105 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:58:49,105 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #7 [2025-01-22 22:58:49,105 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:58:49,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:58:49,105 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:58:49,105 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:58:49,113 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:58:49,113 INFO L85 PathProgramCache]: Analyzing trace with hash 79578973, now seen corresponding path program 1 times [2025-01-22 22:58:49,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:58:49,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021204306] [2025-01-22 22:58:49,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:58:49,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:58:49,114 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:58:49,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:58:49,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:58:49,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:58:49,115 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:58:49,115 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:58:49,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:58:49,115 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,115 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:58:49,122 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:58:49,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546250, now seen corresponding path program 1 times [2025-01-22 22:58:49,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:58:49,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865579533] [2025-01-22 22:58:49,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:58:49,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:58:49,123 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:58:49,124 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:58:49,124 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:58:49,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:58:49,124 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:58:49,124 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,124 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,124 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:58:49,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 74 is hopeless, skipping. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-01-22 22:58:49,125 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:58:49,125 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 139 [2025-01-22 22:58:49,125 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:58:49,125 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:58:49,125 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:58:49,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:58:49,126 INFO L85 PathProgramCache]: Analyzing trace with hash 2138026895, now seen corresponding path program 18 times [2025-01-22 22:58:49,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:58:49,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265073700] [2025-01-22 22:58:49,126 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:58:49,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:58:49,129 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 142 statements into 17 equivalence classes. [2025-01-22 22:58:49,148 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 142 of 142 statements. [2025-01-22 22:58:49,149 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-22 22:58:49,149 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:58:52,240 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 5 proven. 900 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-22 22:58:52,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:58:52,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265073700] [2025-01-22 22:58:52,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265073700] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:58:52,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936927380] [2025-01-22 22:58:52,240 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 22:58:52,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:58:52,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:58:52,242 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) [2025-01-22 22:58:52,243 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 [2025-01-22 22:58:52,264 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 142 statements into 17 equivalence classes. [2025-01-22 22:58:52,300 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 142 of 142 statements. [2025-01-22 22:58:52,300 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-22 22:58:52,300 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:58:52,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 153 conjuncts are in the unsatisfiable core [2025-01-22 22:58:52,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:58:58,494 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 14 proven. 891 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-22 22:58:58,494 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 22:59:08,744 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:59:08,745 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 0 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 703 case distinctions, treesize of input 364 treesize of output 3714 [2025-01-22 22:59:27,805 INFO L134 CoverageAnalysis]: Checked inductivity of 920 backedges. 266 proven. 639 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-22 22:59:27,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936927380] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 22:59:27,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 22:59:27,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 40, 40] total 115 [2025-01-22 22:59:27,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402431157] [2025-01-22 22:59:27,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 22:59:27,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2025-01-22 22:59:27,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 22:59:27,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2025-01-22 22:59:27,808 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1360, Invalid=11980, Unknown=0, NotChecked=0, Total=13340 [2025-01-22 22:59:27,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:59:27,808 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 22:59:27,808 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 3.3706896551724137) internal successors, (391), 115 states have internal predecessors, (391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-01-22 22:59:27,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 22:59:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 22:59:37,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-01-22 22:59:37,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 22:59:38,003 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-22 22:59:38,187 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,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45 [2025-01-22 22:59:38,187 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 22:59:38,187 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 22:59:38,187 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #7 [2025-01-22 22:59:38,187 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 22:59:38,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 22:59:38,188 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:59:38,188 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 22:59:38,196 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:59:38,196 INFO L85 PathProgramCache]: Analyzing trace with hash 79579023, now seen corresponding path program 1 times [2025-01-22 22:59:38,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:59:38,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478359847] [2025-01-22 22:59:38,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:59:38,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:59:38,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 22:59:38,197 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 22:59:38,197 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:59:38,197 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:59:38,197 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:59:38,198 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:59:38,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 22:59:38,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 22:59:38,208 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:59:38,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546300, now seen corresponding path program 1 times [2025-01-22 22:59:38,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 22:59:38,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308574164] [2025-01-22 22:59:38,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 22:59:38,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:59:38,209 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 22:59:38,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 22:59:38,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:59:38,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 22:59:38,210 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 22:59:38,210 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 22:59:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 22:59:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,210 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 22:59:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 22:59:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,210 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 22:59:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 22:59:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 22:59:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 22:59:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 22:59:38,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 74 is hopeless, skipping. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-01-22 22:59:38,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 22:59:38,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-01-22 22:59:38,211 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 22:59:38,211 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 22:59:38,211 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 22:59:38,212 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 22:59:38,212 INFO L85 PathProgramCache]: Analyzing trace with hash -1784078644, now seen corresponding path program 19 times [2025-01-22 22:59:38,212 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 22:59:38,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275662077] [2025-01-22 22:59:38,212 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:59:38,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 22:59:38,215 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-22 22:59:38,233 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-22 22:59:38,233 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:59:38,233 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:59:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 0 proven. 967 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2025-01-22 22:59:41,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 22:59:41,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275662077] [2025-01-22 22:59:41,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275662077] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 22:59:41,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841613892] [2025-01-22 22:59:41,862 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 22:59:41,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 22:59:41,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 22:59:41,864 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) [2025-01-22 22:59:41,865 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 [2025-01-22 22:59:41,885 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 146 statements into 1 equivalence classes. [2025-01-22 22:59:41,910 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 146 of 146 statements. [2025-01-22 22:59:41,910 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 22:59:41,910 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 22:59:41,912 WARN L254 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 199 conjuncts are in the unsatisfiable core [2025-01-22 22:59:41,914 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 22:59:51,770 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 22:59:51,771 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 161 treesize of output 81 [2025-01-22 22:59:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 14 proven. 965 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 22:59:51,781 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:00:04,334 WARN L286 SmtUtils]: Spent 5.19s on a formula simplification that was a NOOP. DAG size: 1339 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 23:00:04,335 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:00:04,335 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 384 treesize of output 4110 [2025-01-22 23:00:26,846 INFO L134 CoverageAnalysis]: Checked inductivity of 980 backedges. 259 proven. 713 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 23:00:26,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841613892] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:00:26,847 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:00:26,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 59, 42] total 135 [2025-01-22 23:00:26,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672253233] [2025-01-22 23:00:26,847 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:00:26,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2025-01-22 23:00:26,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:00:26,848 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2025-01-22 23:00:26,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1624, Invalid=16736, Unknown=0, NotChecked=0, Total=18360 [2025-01-22 23:00:26,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:00:26,849 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:00:26,849 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 2.985294117647059) internal successors, (406), 135 states have internal predecessors, (406), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:00:26,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:00:41,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:00:41,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:00:41,374 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2025-01-22 23:00:41,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:00:41,569 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 23:00:41,569 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:00:41,569 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #8 [2025-01-22 23:00:41,569 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:00:41,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 23:00:41,569 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:00:41,569 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 23:00:41,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:00:41,577 INFO L85 PathProgramCache]: Analyzing trace with hash 79579079, now seen corresponding path program 1 times [2025-01-22 23:00:41,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:00:41,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413516498] [2025-01-22 23:00:41,577 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:00:41,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:00:41,578 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 23:00:41,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 23:00:41,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:00:41,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:00:41,578 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:00:41,579 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:00:41,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 23:00:41,579 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,579 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 23:00:41,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:00:41,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546356, now seen corresponding path program 1 times [2025-01-22 23:00:41,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:00:41,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112429668] [2025-01-22 23:00:41,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:00:41,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:00:41,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 23:00:41,587 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 23:00:41,587 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:00:41,587 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:00:41,587 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:00:41,587 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:00:41,587 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 23:00:41,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 23:00:41,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-22 23:00:41,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 23:00:41,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-22 23:00:41,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-22 23:00:41,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,589 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 80 is hopeless, skipping. [2025-01-22 23:00:41,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 151 [2025-01-22 23:00:41,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:00:41,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-01-22 23:00:41,589 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:00:41,589 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:00:41,589 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:00:41,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:00:41,589 INFO L85 PathProgramCache]: Analyzing trace with hash 194459849, now seen corresponding path program 20 times [2025-01-22 23:00:41,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:00:41,589 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79439386] [2025-01-22 23:00:41,589 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:00:41,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:00:41,592 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 156 statements into 2 equivalence classes. [2025-01-22 23:00:41,622 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 156 of 156 statements. [2025-01-22 23:00:41,623 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:00:41,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:00:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 0 proven. 1118 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2025-01-22 23:00:46,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:00:46,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79439386] [2025-01-22 23:00:46,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79439386] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:00:46,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1982221613] [2025-01-22 23:00:46,916 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 23:00:46,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:00:46,916 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:00:46,918 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) [2025-01-22 23:00:46,919 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 [2025-01-22 23:00:46,940 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 156 statements into 2 equivalence classes. [2025-01-22 23:00:46,964 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 156 of 156 statements. [2025-01-22 23:00:46,964 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 23:00:46,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:00:46,967 WARN L254 TraceCheckSpWp]: Trace formula consists of 380 conjuncts, 211 conjuncts are in the unsatisfiable core [2025-01-22 23:00:46,968 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:00:58,463 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:00:58,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 0 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 210 case distinctions, treesize of input 168 treesize of output 84 [2025-01-22 23:00:58,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 14 proven. 1123 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 23:00:58,474 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:01:13,127 WARN L286 SmtUtils]: Spent 6.23s on a formula simplification that was a NOOP. DAG size: 1469 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 23:01:13,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:01:13,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 42 select indices, 42 select index equivalence classes, 0 disjoint index pairs (out of 861 index pairs), introduced 42 new quantified variables, introduced 861 case distinctions, treesize of input 402 treesize of output 4524 [2025-01-22 23:01:43,363 INFO L134 CoverageAnalysis]: Checked inductivity of 1138 backedges. 328 proven. 795 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-22 23:01:43,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1982221613] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:01:43,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:01:43,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 63, 44] total 143 [2025-01-22 23:01:43,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826866256] [2025-01-22 23:01:43,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:01:43,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2025-01-22 23:01:43,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:01:43,364 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2025-01-22 23:01:43,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1788, Invalid=18804, Unknown=0, NotChecked=0, Total=20592 [2025-01-22 23:01:43,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:01:43,365 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:01:43,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 2.986111111111111) internal successors, (430), 143 states have internal predecessors, (430), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 23:01:43,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:01:43,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:01:58,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:01:58,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-01-22 23:01:58,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-01-22 23:01:58,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2025-01-22 23:01:58,823 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 23:01:58,823 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:01:58,823 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #8 [2025-01-22 23:01:58,823 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:01:58,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 23:01:58,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:01:58,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 23:01:58,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:01:58,831 INFO L85 PathProgramCache]: Analyzing trace with hash 79579139, now seen corresponding path program 1 times [2025-01-22 23:01:58,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:01:58,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752313661] [2025-01-22 23:01:58,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:01:58,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:01:58,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 23:01:58,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 23:01:58,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:01:58,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:01:58,833 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:01:58,833 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:01:58,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 23:01:58,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 23:01:58,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:01:58,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546416, now seen corresponding path program 1 times [2025-01-22 23:01:58,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:01:58,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882516828] [2025-01-22 23:01:58,841 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:01:58,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:01:58,842 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 23:01:58,842 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 23:01:58,842 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:01:58,842 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:01:58,842 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:01:58,842 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,843 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 23:01:58,843 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 86 is hopeless, skipping. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-01-22 23:01:58,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:01:58,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-01-22 23:01:58,844 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:01:58,844 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:01:58,844 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:01:58,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:01:58,844 INFO L85 PathProgramCache]: Analyzing trace with hash 567038950, now seen corresponding path program 21 times [2025-01-22 23:01:58,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:01:58,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076693791] [2025-01-22 23:01:58,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:01:58,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:01:58,848 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 20 equivalence classes. [2025-01-22 23:01:58,893 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) and asserted 166 of 166 statements. [2025-01-22 23:01:58,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2025-01-22 23:01:58,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:02:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-01-22 23:02:03,273 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:02:03,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076693791] [2025-01-22 23:02:03,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076693791] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:02:03,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807326655] [2025-01-22 23:02:03,273 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 23:02:03,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:02:03,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:02:03,274 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 23:02:03,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-01-22 23:02:03,296 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 166 statements into 20 equivalence classes. [2025-01-22 23:02:03,345 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) and asserted 166 of 166 statements. [2025-01-22 23:02:03,345 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2025-01-22 23:02:03,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:02:03,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 177 conjuncts are in the unsatisfiable core [2025-01-22 23:02:03,349 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:02:12,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 14 proven. 1271 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-22 23:02:12,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:02:28,240 WARN L286 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 1605 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 23:02:28,241 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:02:28,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 44 select indices, 44 select index equivalence classes, 0 disjoint index pairs (out of 946 index pairs), introduced 44 new quantified variables, introduced 946 case distinctions, treesize of input 422 treesize of output 4960 [2025-01-22 23:03:03,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1310 backedges. 403 proven. 882 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-22 23:03:03,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807326655] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:03:03,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:03:03,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 46, 46] total 130 [2025-01-22 23:03:03,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608673080] [2025-01-22 23:03:03,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:03:03,827 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 131 states [2025-01-22 23:03:03,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:03:03,827 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2025-01-22 23:03:03,828 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1827, Invalid=15203, Unknown=0, NotChecked=0, Total=17030 [2025-01-22 23:03:03,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:03:03,828 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:03:03,828 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 131 states, 131 states have (on average 3.3740458015267176) internal successors, (442), 130 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) [2025-01-22 23:03:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:03:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:03:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:03:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:03:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:03:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:03:03,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-01-22 23:03:03,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:03:19,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-01-22 23:03:19,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-22 23:03:19,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-01-22 23:03:19,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54 [2025-01-22 23:03:19,328 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 23:03:19,328 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:03:19,328 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #9 [2025-01-22 23:03:19,328 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:03:19,328 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 23:03:19,329 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:03:19,329 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 23:03:19,337 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:03:19,337 INFO L85 PathProgramCache]: Analyzing trace with hash 79579195, now seen corresponding path program 1 times [2025-01-22 23:03:19,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:03:19,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766414317] [2025-01-22 23:03:19,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:03:19,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:03:19,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 23:03:19,338 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 23:03:19,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:03:19,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:03:19,338 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:03:19,338 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:03:19,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 23:03:19,338 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,338 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 23:03:19,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:03:19,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546472, now seen corresponding path program 1 times [2025-01-22 23:03:19,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:03:19,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337991033] [2025-01-22 23:03:19,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:03:19,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:03:19,347 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 23:03:19,348 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 23:03:19,348 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:03:19,348 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:03:19,348 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:03:19,348 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 23:03:19,348 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,348 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 86 is hopeless, skipping. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-01-22 23:03:19,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:03:19,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-01-22 23:03:19,349 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:03:19,349 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:03:19,349 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:03:19,350 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:03:19,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1514986499, now seen corresponding path program 22 times [2025-01-22 23:03:19,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:03:19,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1785818803] [2025-01-22 23:03:19,350 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 23:03:19,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:03:19,353 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 170 statements into 2 equivalence classes. [2025-01-22 23:03:19,377 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-22 23:03:19,377 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 23:03:19,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:03:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 1 proven. 1361 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-22 23:03:24,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:03:24,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1785818803] [2025-01-22 23:03:24,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1785818803] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:03:24,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383480957] [2025-01-22 23:03:24,967 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 23:03:24,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:03:24,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:03:24,969 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 23:03:24,970 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-01-22 23:03:24,993 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 170 statements into 2 equivalence classes. [2025-01-22 23:03:25,020 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-22 23:03:25,020 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 23:03:25,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:03:25,023 WARN L254 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 231 conjuncts are in the unsatisfiable core [2025-01-22 23:03:25,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:03:39,738 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:03:39,738 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 184 treesize of output 92 [2025-01-22 23:03:39,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 14 proven. 1365 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 23:03:39,752 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:03:59,488 WARN L286 SmtUtils]: Spent 8.81s on a formula simplification that was a NOOP. DAG size: 1747 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 23:03:59,488 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:03:59,489 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 46 select indices, 46 select index equivalence classes, 0 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 1035 case distinctions, treesize of input 440 treesize of output 5414 [2025-01-22 23:04:38,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 396 proven. 969 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-22 23:04:38,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383480957] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:04:38,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:04:38,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 69, 48] total 159 [2025-01-22 23:04:38,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161417800] [2025-01-22 23:04:38,971 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:04:38,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 160 states [2025-01-22 23:04:38,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:04:38,972 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2025-01-22 23:04:38,973 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2118, Invalid=23322, Unknown=0, NotChecked=0, Total=25440 [2025-01-22 23:04:38,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:04:38,973 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:04:38,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 160 states, 160 states have (on average 2.9625) internal successors, (474), 159 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-22 23:04:38,974 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:04:58,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-22 23:04:58,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 23:04:58,369 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-01-22 23:04:58,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57 [2025-01-22 23:04:58,564 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 23:04:58,564 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:04:58,564 INFO L139 ounterexampleChecker]: Examining path program with hash 1896563274, occurence #9 [2025-01-22 23:04:58,564 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:04:58,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 23:04:58,564 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:04:58,564 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 23:04:58,573 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:04:58,573 INFO L85 PathProgramCache]: Analyzing trace with hash 79579259, now seen corresponding path program 1 times [2025-01-22 23:04:58,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:04:58,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539898410] [2025-01-22 23:04:58,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:04:58,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:04:58,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 23:04:58,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 23:04:58,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:04:58,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:04:58,574 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:04:58,574 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:04:58,574 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 23:04:58,574 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,574 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 23:04:58,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:04:58,582 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546536, now seen corresponding path program 1 times [2025-01-22 23:04:58,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:04:58,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476764803] [2025-01-22 23:04:58,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:04:58,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:04:58,583 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 23:04:58,584 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 23:04:58,584 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:04:58,584 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:04:58,584 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:04:58,584 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:04:58,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 23:04:58,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,584 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 23:04:58,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 23:04:58,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,584 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 23:04:58,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 23:04:58,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 23:04:58,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-22 23:04:58,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 23:04:58,586 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-22 23:04:58,586 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-22 23:04:58,586 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,586 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2025-01-22 23:04:58,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-01-22 23:04:58,586 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:04:58,586 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-01-22 23:04:58,586 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:04:58,586 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:04:58,586 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:04:58,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:04:58,586 INFO L85 PathProgramCache]: Analyzing trace with hash 108380704, now seen corresponding path program 23 times [2025-01-22 23:04:58,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:04:58,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882236400] [2025-01-22 23:04:58,586 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 23:04:58,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:04:58,590 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 180 statements into 21 equivalence classes. [2025-01-22 23:04:58,638 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 180 of 180 statements. [2025-01-22 23:04:58,638 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-01-22 23:04:58,638 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:05:04,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 0 proven. 1534 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2025-01-22 23:05:04,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:05:04,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882236400] [2025-01-22 23:05:04,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882236400] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:05:04,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1008385215] [2025-01-22 23:05:04,042 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 23:05:04,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:05:04,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:05:04,044 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 23:05:04,045 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-01-22 23:05:04,066 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 180 statements into 21 equivalence classes. [2025-01-22 23:05:04,124 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) and asserted 180 of 180 statements. [2025-01-22 23:05:04,124 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2025-01-22 23:05:04,124 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:05:04,127 INFO L256 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 193 conjuncts are in the unsatisfiable core [2025-01-22 23:05:04,129 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:05:15,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 14 proven. 1530 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-22 23:05:15,679 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:05:36,904 WARN L286 SmtUtils]: Spent 10.68s on a formula simplification that was a NOOP. DAG size: 1895 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 23:05:36,905 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:05:36,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 48 select indices, 48 select index equivalence classes, 0 disjoint index pairs (out of 1128 index pairs), introduced 48 new quantified variables, introduced 1128 case distinctions, treesize of input 460 treesize of output 5890 [2025-01-22 23:05:58,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1569 backedges. 479 proven. 1065 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-22 23:05:58,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1008385215] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 23:05:58,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 23:05:58,947 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 50, 50] total 141 [2025-01-22 23:05:58,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181170946] [2025-01-22 23:05:58,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 23:05:58,947 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2025-01-22 23:05:58,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 23:05:58,948 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2025-01-22 23:05:58,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2230, Invalid=17792, Unknown=0, NotChecked=0, Total=20022 [2025-01-22 23:05:58,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:05:58,949 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 23:05:58,949 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 3.3661971830985915) internal successors, (478), 141 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:05:58,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:05:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:05:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2025-01-22 23:05:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-22 23:05:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 23:05:58,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 23:06:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:06:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:06:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 23:06:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 23:06:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 23:06:17,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2025-01-22 23:06:17,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-01-22 23:06:18,016 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable60,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59 [2025-01-22 23:06:18,016 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-01-22 23:06:18,016 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 23:06:18,016 INFO L139 ounterexampleChecker]: Examining path program with hash 1280010003, occurence #10 [2025-01-22 23:06:18,016 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 23:06:18,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 23:06:18,016 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:06:18,016 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-01-22 23:06:18,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:06:18,025 INFO L85 PathProgramCache]: Analyzing trace with hash 79579319, now seen corresponding path program 1 times [2025-01-22 23:06:18,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:06:18,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069746324] [2025-01-22 23:06:18,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:06:18,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:06:18,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-01-22 23:06:18,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-01-22 23:06:18,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:06:18,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:06:18,026 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:06:18,026 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:06:18,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-01-22 23:06:18,026 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,026 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 23:06:18,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:06:18,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1192546596, now seen corresponding path program 1 times [2025-01-22 23:06:18,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 23:06:18,034 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [689220906] [2025-01-22 23:06:18,034 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 23:06:18,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:06:18,035 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-01-22 23:06:18,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-01-22 23:06:18,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 23:06:18,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 23:06:18,036 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 23:06:18,036 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 12 is hopeless, skipping. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 16 is hopeless, skipping. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-01-22 23:06:18,036 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 63 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 66 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 81 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 92 is hopeless, skipping. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-01-22 23:06:18,037 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 23:06:18,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 181 [2025-01-22 23:06:18,038 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 23:06:18,038 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 23:06:18,038 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 23:06:18,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 23:06:18,038 INFO L85 PathProgramCache]: Analyzing trace with hash -742351555, now seen corresponding path program 24 times [2025-01-22 23:06:18,038 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 23:06:18,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52532063] [2025-01-22 23:06:18,038 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 23:06:18,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 23:06:18,041 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 184 statements into 21 equivalence classes. [2025-01-22 23:06:18,083 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 184 of 184 statements. [2025-01-22 23:06:18,084 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-22 23:06:18,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:06:24,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 0 proven. 1621 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2025-01-22 23:06:24,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 23:06:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52532063] [2025-01-22 23:06:24,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [52532063] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 23:06:24,099 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [42104777] [2025-01-22 23:06:24,099 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 23:06:24,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 23:06:24,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 23:06:24,101 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-22 23:06:24,101 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-01-22 23:06:24,123 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 184 statements into 21 equivalence classes. [2025-01-22 23:06:24,181 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) and asserted 184 of 184 statements. [2025-01-22 23:06:24,181 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 21 check-sat command(s) [2025-01-22 23:06:24,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 23:06:24,184 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 201 conjuncts are in the unsatisfiable core [2025-01-22 23:06:24,187 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 23:06:36,970 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 14 proven. 1617 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-01-22 23:06:36,970 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 23:07:01,500 WARN L286 SmtUtils]: Spent 12.37s on a formula simplification that was a NOOP. DAG size: 2049 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 23:07:01,501 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 23:07:01,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 50 select indices, 50 select index equivalence classes, 0 disjoint index pairs (out of 1225 index pairs), introduced 50 new quantified variables, introduced 1225 case distinctions, treesize of input 478 treesize of output 6384 [2025-01-22 23:07:08,445 WARN L249 Executor]: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2025-01-22 23:07:08,445 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2025-01-22 23:07:08,446 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2025-01-22 23:07:08,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2025-01-22 23:07:08,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,26 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2025-01-22 23:07:08,653 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-01-22 23:07:08,654 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:499) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:484) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:590) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:245) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:728) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:407) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:342) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:324) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:428) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 70 more [2025-01-22 23:07:08,657 INFO L158 Benchmark]: Toolchain (without parser) took 770393.62ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 80.9MB in the beginning and 939.5MB in the end (delta: -858.5MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2025-01-22 23:07:08,657 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 92.5kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:07:08,657 INFO L158 Benchmark]: Boogie Procedure Inliner took 16.20ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:07:08,657 INFO L158 Benchmark]: Boogie Preprocessor took 9.35ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 619.9kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:07:08,657 INFO L158 Benchmark]: RCFGBuilder took 153.91ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 69.4MB in the end (delta: 9.6MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 23:07:08,658 INFO L158 Benchmark]: TraceAbstraction took 770210.78ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 68.8MB in the beginning and 939.5MB in the end (delta: -870.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. [2025-01-22 23:07:08,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.16ms. Allocated memory is still 117.4MB. Free memory was 81.9MB in the beginning and 81.9MB in the end (delta: 92.5kB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 16.20ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 79.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 9.35ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 79.0MB in the end (delta: 619.9kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 153.91ms. Allocated memory is still 117.4MB. Free memory was 79.0MB in the beginning and 69.4MB in the end (delta: 9.6MB). There was no memory consumed. Max. memory is 16.0GB. * TraceAbstraction took 770210.78ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 68.8MB in the beginning and 939.5MB in the end (delta: -870.7MB). Peak memory consumption was 1.3GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...