/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 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.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 20:58:49,176 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 20:58:49,216 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 20:58:49,221 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 20:58:49,221 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 20:58:49,256 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 20:58:49,256 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 20:58:49,256 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 20:58:49,257 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 20:58:49,259 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 20:58:49,260 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 20:58:49,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 20:58:49,260 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 20:58:49,261 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:58:49,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 20:58:49,261 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 20:58:49,261 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 -> SUFFICIENT [2025-01-22 20:58:49,472 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 20:58:49,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 20:58:49,482 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 20:58:49,484 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 20:58:49,487 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 20:58:49,488 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl [2025-01-22 20:58:49,488 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/send-receive.wvr.bpl' [2025-01-22 20:58:49,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 20:58:49,511 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 20:58:49,511 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 20:58:49,511 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 20:58:49,511 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 20:58:49,521 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,525 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,530 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 20:58:49,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 20:58:49,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 20:58:49,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 20:58:49,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 20:58:49,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,540 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,540 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,542 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,542 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,543 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 20:58:49,544 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 20:58:49,544 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 20:58:49,544 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 20:58:49,544 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/1) ... [2025-01-22 20:58:49,548 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 20:58:49,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:49,567 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 20:58:49,576 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 20:58:49,595 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 20:58:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 20:58:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 20:58:49,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 20:58:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 20:58:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 20:58:49,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 20:58:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 20:58:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 20:58:49,596 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 20:58:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 20:58:49,596 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 20:58:49,597 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 20:58:49,633 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 20:58:49,635 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 20:58:49,714 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 20:58:49,714 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 20:58:49,745 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 20:58:49,746 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 20:58:49,747 INFO L201 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 08:58:49 BoogieIcfgContainer [2025-01-22 20:58:49,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 20:58:49,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 20:58:49,749 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 20:58:49,753 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 20:58:49,753 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 08:58:49" (1/2) ... [2025-01-22 20:58:49,754 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a8fd808 and model type send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 08:58:49, skipping insertion in model container [2025-01-22 20:58:49,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 08:58:49" (2/2) ... [2025-01-22 20:58:49,755 INFO L128 eAbstractionObserver]: Analyzing ICFG send-receive.wvr.bpl [2025-01-22 20:58:49,767 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 20:58:49,768 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG send-receive.wvr.bpl that has 4 procedures, 21 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2025-01-22 20:58:49,768 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 20:58:49,800 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 20:58:49,835 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:58:49,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 20:58:49,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:49,837 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 20:58:49,838 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 20:58:49,883 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 20:58:49,900 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 20:58:49,907 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;@761eb390, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 20:58:49,907 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 20:58:50,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:50,212 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:50,215 INFO L139 ounterexampleChecker]: Examining path program with hash 2092584744, occurence #1 [2025-01-22 20:58:50,215 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:50,215 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:50,219 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:50,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1656828985, now seen corresponding path program 1 times [2025-01-22 20:58:50,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:50,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424638855] [2025-01-22 20:58:50,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:58:50,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:50,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-01-22 20:58:50,275 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-01-22 20:58:50,275 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:58:50,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:50,345 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 20:58:50,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:50,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424638855] [2025-01-22 20:58:50,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424638855] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:58:50,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:58:50,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 20:58:50,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275389941] [2025-01-22 20:58:50,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:58:50,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 20:58:50,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:50,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 20:58:50,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 20:58:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:50,368 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:50,369 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 20:58:50,369 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:50,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 20:58:50,470 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:50,470 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:50,470 INFO L139 ounterexampleChecker]: Examining path program with hash -245295288, occurence #1 [2025-01-22 20:58:50,471 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:50,471 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:50,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:50,471 INFO L85 PathProgramCache]: Analyzing trace with hash 511784627, now seen corresponding path program 1 times [2025-01-22 20:58:50,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:50,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299529979] [2025-01-22 20:58:50,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:58:50,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:50,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-22 20:58:50,483 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-22 20:58:50,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:58:50,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:50,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 20:58:50,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:50,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299529979] [2025-01-22 20:58:50,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299529979] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:58:50,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:58:50,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 20:58:50,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696236048] [2025-01-22 20:58:50,517 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:58:50,517 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 20:58:50,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:50,518 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 20:58:50,518 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 20:58:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:50,518 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:50,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 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 20:58:50,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:50,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-22 20:58:50,599 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:50,599 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:50,599 INFO L139 ounterexampleChecker]: Examining path program with hash 1983925565, occurence #1 [2025-01-22 20:58:50,599 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:50,599 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:50,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:50,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1161459035, now seen corresponding path program 1 times [2025-01-22 20:58:50,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:50,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130135081] [2025-01-22 20:58:50,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:58:50,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:50,603 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-01-22 20:58:50,604 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-01-22 20:58:50,604 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:58:50,606 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:50,652 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 20:58:50,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:50,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2130135081] [2025-01-22 20:58:50,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2130135081] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:58:50,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 20:58:50,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 20:58:50,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431080731] [2025-01-22 20:58:50,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:58:50,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 20:58:50,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:50,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 20:58:50,654 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 20:58:50,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:50,654 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:50,654 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 20:58:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:50,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:50,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:50,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-22 20:58:50,887 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:50,887 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:50,888 INFO L139 ounterexampleChecker]: Examining path program with hash 568585634, occurence #1 [2025-01-22 20:58:50,888 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:50,888 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:50,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:50,888 INFO L85 PathProgramCache]: Analyzing trace with hash -129433159, now seen corresponding path program 2 times [2025-01-22 20:58:50,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:50,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907929141] [2025-01-22 20:58:50,888 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:58:50,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:50,897 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 2 equivalence classes. [2025-01-22 20:58:50,903 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 20:58:50,903 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:58:50,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:51,011 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 20:58:51,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907929141] [2025-01-22 20:58:51,012 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907929141] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:58:51,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716310476] [2025-01-22 20:58:51,012 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:58:51,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:51,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:51,015 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 20:58:51,016 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 20:58:51,039 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 17 statements into 2 equivalence classes. [2025-01-22 20:58:51,046 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 17 of 17 statements. [2025-01-22 20:58:51,046 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:58:51,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:51,048 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-22 20:58:51,050 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:58:51,107 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 20:58:51,108 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:58:51,153 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:58:51,154 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 20:58:51,219 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 20:58:51,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716310476] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:58:51,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:58:51,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2025-01-22 20:58:51,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687023445] [2025-01-22 20:58:51,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:58:51,219 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-22 20:58:51,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:51,220 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-22 20:58:51,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2025-01-22 20:58:51,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:51,220 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:51,220 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.111111111111111) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:51,220 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:51,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:51,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:51,605 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 20:58:51,803 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 20:58:51,803 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:51,803 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:51,803 INFO L139 ounterexampleChecker]: Examining path program with hash 1659292416, occurence #1 [2025-01-22 20:58:51,803 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:51,803 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:51,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:51,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1168369741, now seen corresponding path program 3 times [2025-01-22 20:58:51,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:51,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [591288642] [2025-01-22 20:58:51,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:58:51,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:51,807 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 23 statements into 3 equivalence classes. [2025-01-22 20:58:51,813 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 20:58:51,814 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 20:58:51,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:51,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:51,853 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:51,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [591288642] [2025-01-22 20:58:51,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [591288642] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:58:51,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [977958327] [2025-01-22 20:58:51,853 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:58:51,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:51,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:51,855 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 20:58:51,857 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 20:58:51,879 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 23 statements into 3 equivalence classes. [2025-01-22 20:58:51,888 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 20:58:51,888 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 20:58:51,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:51,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-01-22 20:58:51,889 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:58:51,904 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:51,904 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:58:51,923 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:51,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [977958327] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:58:51,923 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:58:51,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2025-01-22 20:58:51,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112487494] [2025-01-22 20:58:51,923 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:58:51,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 20:58:51,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:51,924 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 20:58:51,924 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 20:58:51,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:51,924 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:51,924 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.75) internal successors, (23), 3 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:58:51,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:51,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:51,924 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:51,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:51,991 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-01-22 20:58:52,190 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 20:58:52,190 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:52,190 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:52,190 INFO L139 ounterexampleChecker]: Examining path program with hash 931882760, occurence #1 [2025-01-22 20:58:52,190 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:52,190 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:52,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:52,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1122629587, now seen corresponding path program 1 times [2025-01-22 20:58:52,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:52,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848513529] [2025-01-22 20:58:52,191 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:58:52,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:52,197 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-22 20:58:52,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 20:58:52,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:58:52,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:52,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:52,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:52,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848513529] [2025-01-22 20:58:52,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848513529] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:58:52,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585032541] [2025-01-22 20:58:52,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:58:52,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:52,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:52,259 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 20:58:52,260 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 20:58:52,279 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 23 statements into 1 equivalence classes. [2025-01-22 20:58:52,287 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 20:58:52,288 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:58:52,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:52,288 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-01-22 20:58:52,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:58:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 20:58:52,305 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-22 20:58:52,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585032541] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 20:58:52,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-22 20:58:52,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2025-01-22 20:58:52,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95707580] [2025-01-22 20:58:52,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 20:58:52,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 20:58:52,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:52,306 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 20:58:52,306 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-01-22 20:58:52,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:52,306 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:52,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:58:52,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:52,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:52,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:52,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:52,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:52,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:52,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:52,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:52,425 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 20:58:52,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:52,623 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:52,623 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:52,623 INFO L139 ounterexampleChecker]: Examining path program with hash -1333806405, occurence #1 [2025-01-22 20:58:52,623 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:52,623 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:52,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:52,624 INFO L85 PathProgramCache]: Analyzing trace with hash 2017590701, now seen corresponding path program 2 times [2025-01-22 20:58:52,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:52,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668024438] [2025-01-22 20:58:52,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:58:52,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:52,626 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-22 20:58:52,632 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 20:58:52,632 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:58:52,632 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:52,765 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:52,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:52,765 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668024438] [2025-01-22 20:58:52,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668024438] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:58:52,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539385828] [2025-01-22 20:58:52,766 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:58:52,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:52,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:52,768 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 20:58:52,769 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 20:58:52,789 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-01-22 20:58:52,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 23 of 23 statements. [2025-01-22 20:58:52,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:58:52,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:52,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-22 20:58:52,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:58:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:52,886 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:58:52,989 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:58:52,989 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 20:58:53,063 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:53,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539385828] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:58:53,063 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:58:53,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-01-22 20:58:53,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870707547] [2025-01-22 20:58:53,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:58:53,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-01-22 20:58:53,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:53,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-01-22 20:58:53,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2025-01-22 20:58:53,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:53,064 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:53,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.1333333333333333) internal successors, (47), 14 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:58:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:53,065 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:53,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:58:53,502 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 20:58:53,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:53,697 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:53,697 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:53,698 INFO L139 ounterexampleChecker]: Examining path program with hash -1333806405, occurence #2 [2025-01-22 20:58:53,698 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:58:53,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 20:58:53,698 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:58:53,698 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 20:58:53,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:58:53,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:53,789 INFO L85 PathProgramCache]: Analyzing trace with hash -197559690, now seen corresponding path program 1 times [2025-01-22 20:58:53,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:58:53,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252111722] [2025-01-22 20:58:53,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:58:53,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:53,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 20:58:53,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 20:58:53,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:58:53,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:58:53,795 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:58:53,795 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:58:53,795 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 20:58:53,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 20:58:53,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:53,845 INFO L85 PathProgramCache]: Analyzing trace with hash 337345540, now seen corresponding path program 1 times [2025-01-22 20:58:53,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:58:53,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214838863] [2025-01-22 20:58:53,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:58:53,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:53,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 20:58:53,848 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 20:58:53,848 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:58:53,848 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:58:53,848 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:58:53,848 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:58:53,850 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 20:58:53,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 26 [2025-01-22 20:58:53,850 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:58:53,850 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:58:53,850 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:53,850 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:53,851 INFO L85 PathProgramCache]: Analyzing trace with hash -1131082047, now seen corresponding path program 3 times [2025-01-22 20:58:53,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:53,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607429087] [2025-01-22 20:58:53,851 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:58:53,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:53,854 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 29 statements into 4 equivalence classes. [2025-01-22 20:58:53,864 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 29 of 29 statements. [2025-01-22 20:58:53,864 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 20:58:53,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:54,040 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:54,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:54,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607429087] [2025-01-22 20:58:54,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607429087] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:58:54,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [786915572] [2025-01-22 20:58:54,041 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:58:54,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:54,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:54,044 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 20:58:54,045 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 20:58:54,061 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 29 statements into 4 equivalence classes. [2025-01-22 20:58:54,070 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) and asserted 29 of 29 statements. [2025-01-22 20:58:54,070 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2025-01-22 20:58:54,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:54,072 INFO L256 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 26 conjuncts are in the unsatisfiable core [2025-01-22 20:58:54,073 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:58:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:54,218 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:58:54,435 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:58:54,436 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 20:58:54,588 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:54,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [786915572] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:58:54,588 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:58:54,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 9, 9] total 19 [2025-01-22 20:58:54,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458166444] [2025-01-22 20:58:54,588 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:58:54,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-01-22 20:58:54,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:54,589 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-01-22 20:58:54,589 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=304, Unknown=0, NotChecked=0, Total=380 [2025-01-22 20:58:54,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:54,589 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:54,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 3.25) internal successors, (65), 19 states have internal predecessors, (65), 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 20:58:54,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:54,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:54,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:54,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:54,589 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:54,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:54,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:58:54,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:58:55,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:58:55,572 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-22 20:58:55,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-01-22 20:58:55,767 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:58:55,767 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:58:55,767 INFO L139 ounterexampleChecker]: Examining path program with hash -872630625, occurence #1 [2025-01-22 20:58:55,767 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:58:55,767 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:58:55,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:58:55,768 INFO L85 PathProgramCache]: Analyzing trace with hash -844419765, now seen corresponding path program 4 times [2025-01-22 20:58:55,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:58:55,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1748595299] [2025-01-22 20:58:55,768 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:58:55,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:58:55,771 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 55 statements into 2 equivalence classes. [2025-01-22 20:58:55,787 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-22 20:58:55,787 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:58:55,787 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:56,262 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-01-22 20:58:56,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:58:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1748595299] [2025-01-22 20:58:56,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1748595299] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:58:56,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1139845933] [2025-01-22 20:58:56,262 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 20:58:56,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:58:56,262 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:58:56,264 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 20:58:56,265 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 20:58:56,282 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 55 statements into 2 equivalence classes. [2025-01-22 20:58:56,292 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-22 20:58:56,292 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 20:58:56,292 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:58:56,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-01-22 20:58:56,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:58:56,784 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 20 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:56,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:58:57,438 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:58:57,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 118 treesize of output 400 [2025-01-22 20:58:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 5 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:58:57,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1139845933] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:58:57,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:58:57,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 15] total 35 [2025-01-22 20:58:57,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1544593645] [2025-01-22 20:58:57,957 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:58:57,958 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-01-22 20:58:57,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:58:57,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-01-22 20:58:57,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1044, Unknown=0, NotChecked=0, Total=1260 [2025-01-22 20:58:57,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:58:57,959 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:58:57,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 3.5833333333333335) internal successors, (129), 35 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:58:57,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:00,400 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 20:59:00,595 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:00,595 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:59:00,595 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:59:00,595 INFO L139 ounterexampleChecker]: Examining path program with hash -1404938496, occurence #1 [2025-01-22 20:59:00,595 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:59:00,595 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:59:00,596 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:00,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1086788819, now seen corresponding path program 5 times [2025-01-22 20:59:00,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:59:00,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978052714] [2025-01-22 20:59:00,596 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:59:00,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:00,600 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 69 statements into 9 equivalence classes. [2025-01-22 20:59:00,623 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 69 of 69 statements. [2025-01-22 20:59:00,623 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-22 20:59:00,623 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:01,207 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 1 proven. 118 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2025-01-22 20:59:01,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:59:01,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978052714] [2025-01-22 20:59:01,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978052714] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:59:01,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223105545] [2025-01-22 20:59:01,207 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 20:59:01,207 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:01,207 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:59:01,209 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 20:59:01,211 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 20:59:01,231 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 69 statements into 9 equivalence classes. [2025-01-22 20:59:01,248 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) and asserted 69 of 69 statements. [2025-01-22 20:59:01,249 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2025-01-22 20:59:01,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:01,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 58 conjuncts are in the unsatisfiable core [2025-01-22 20:59:01,251 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:59:01,899 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 20 proven. 105 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 20:59:01,899 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:59:02,791 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:59:02,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 136 treesize of output 534 [2025-01-22 20:59:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 18 proven. 107 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-01-22 20:59:03,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223105545] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:59:03,553 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:59:03,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 17] total 42 [2025-01-22 20:59:03,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412721424] [2025-01-22 20:59:03,553 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:59:03,554 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-22 20:59:03,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:59:03,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-22 20:59:03,555 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=1543, Unknown=0, NotChecked=0, Total=1806 [2025-01-22 20:59:03,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:03,555 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:59:03,555 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 3.9767441860465116) internal successors, (171), 42 states have internal predecessors, (171), 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 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:03,555 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:07,623 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-01-22 20:59:07,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:07,817 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:59:07,817 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:59:07,817 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #1 [2025-01-22 20:59:07,817 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:59:07,817 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:59:07,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:07,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1591343687, now seen corresponding path program 6 times [2025-01-22 20:59:07,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:59:07,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685247774] [2025-01-22 20:59:07,818 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:59:07,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:07,825 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 75 statements into 9 equivalence classes. [2025-01-22 20:59:07,843 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 75 of 75 statements. [2025-01-22 20:59:07,843 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-22 20:59:07,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 142 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-22 20:59:08,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:59:08,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685247774] [2025-01-22 20:59:08,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1685247774] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:59:08,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1738204285] [2025-01-22 20:59:08,492 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 20:59:08,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:08,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:59:08,494 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 20:59:08,495 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 20:59:08,511 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 75 statements into 9 equivalence classes. [2025-01-22 20:59:08,531 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 75 of 75 statements. [2025-01-22 20:59:08,532 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-01-22 20:59:08,532 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:08,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-01-22 20:59:08,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:59:09,306 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 20 proven. 129 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:09,306 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:59:10,425 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:59:10,425 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 20:59:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 17 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:11,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1738204285] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:59:11,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:59:11,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 19] total 48 [2025-01-22 20:59:11,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367249852] [2025-01-22 20:59:11,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:59:11,595 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-01-22 20:59:11,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:59:11,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-01-22 20:59:11,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=2035, Unknown=0, NotChecked=0, Total=2352 [2025-01-22 20:59:11,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:11,596 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:59:11,596 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 3.979591836734694) internal successors, (195), 48 states have internal predecessors, (195), 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 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:11,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:11,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:11,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:17,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 20:59:17,524 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 20:59:17,720 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:17,720 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:59:17,720 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:59:17,720 INFO L139 ounterexampleChecker]: Examining path program with hash 1323326818, occurence #1 [2025-01-22 20:59:17,720 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 20:59:17,720 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:59:17,720 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:17,720 INFO L85 PathProgramCache]: Analyzing trace with hash 1443360193, now seen corresponding path program 7 times [2025-01-22 20:59:17,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:59:17,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913328195] [2025-01-22 20:59:17,721 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:59:17,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:17,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-22 20:59:17,731 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-22 20:59:17,731 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:59:17,731 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:18,542 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 169 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 20:59:18,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:59:18,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913328195] [2025-01-22 20:59:18,542 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [913328195] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:59:18,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937332214] [2025-01-22 20:59:18,542 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 20:59:18,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:18,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:59:18,544 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 20:59:18,545 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 20:59:18,564 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-01-22 20:59:18,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-01-22 20:59:18,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:59:18,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:18,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 74 conjuncts are in the unsatisfiable core [2025-01-22 20:59:18,580 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:59:19,550 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 20 proven. 156 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:19,550 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:59:21,089 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:59:21,090 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 20:59:22,576 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 12 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:22,577 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937332214] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:59:22,577 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:59:22,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21, 21] total 53 [2025-01-22 20:59:22,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533686856] [2025-01-22 20:59:22,577 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:59:22,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2025-01-22 20:59:22,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:59:22,578 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2025-01-22 20:59:22,579 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=353, Invalid=2509, Unknown=0, NotChecked=0, Total=2862 [2025-01-22 20:59:22,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:22,579 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:59:22,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.925925925925926) internal successors, (212), 53 states have internal predecessors, (212), 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 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 20:59:22,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:30,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 20:59:30,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 20:59:30,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-22 20:59:30,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-22 20:59:30,364 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:59:30,364 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:59:30,364 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #2 [2025-01-22 20:59:30,364 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:59:30,364 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 20:59:30,364 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:30,364 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 20:59:30,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:59:30,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:30,400 INFO L85 PathProgramCache]: Analyzing trace with hash -197558480, now seen corresponding path program 1 times [2025-01-22 20:59:30,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:59:30,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651368540] [2025-01-22 20:59:30,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:59:30,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:30,402 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 20:59:30,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 20:59:30,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:59:30,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:59:30,403 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:59:30,403 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:59:30,403 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 20:59:30,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 20:59:30,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:30,460 INFO L85 PathProgramCache]: Analyzing trace with hash 337346750, now seen corresponding path program 1 times [2025-01-22 20:59:30,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:59:30,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [393354296] [2025-01-22 20:59:30,461 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:59:30,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:30,462 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 20:59:30,464 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 20:59:30,464 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:59:30,464 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:59:30,464 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:59:30,464 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:59:30,465 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 20:59:30,465 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 20:59:30,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 20:59:30,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:30,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 20:59:30,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:30,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 20:59:30,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:30,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 20:59:30,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:30,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 20:59:30,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:30,465 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 20:59:30,465 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:30,465 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 55 is hopeless, skipping. [2025-01-22 20:59:30,466 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-01-22 20:59:30,466 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:59:30,466 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:59:30,466 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:59:30,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:30,466 INFO L85 PathProgramCache]: Analyzing trace with hash 2085054787, now seen corresponding path program 8 times [2025-01-22 20:59:30,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:59:30,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152914908] [2025-01-22 20:59:30,466 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:59:30,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:30,469 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-01-22 20:59:30,481 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-01-22 20:59:30,482 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:59:30,482 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 1 proven. 246 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-01-22 20:59:31,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:59:31,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152914908] [2025-01-22 20:59:31,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152914908] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:59:31,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [793921836] [2025-01-22 20:59:31,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 20:59:31,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:31,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:59:31,678 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 20:59:31,679 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 20:59:31,696 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 95 statements into 2 equivalence classes. [2025-01-22 20:59:31,710 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 95 of 95 statements. [2025-01-22 20:59:31,710 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 20:59:31,710 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:31,711 INFO L256 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 82 conjuncts are in the unsatisfiable core [2025-01-22 20:59:31,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:59:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 20 proven. 232 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:33,095 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:59:35,099 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:59:35,100 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 0 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 190 case distinctions, treesize of input 194 treesize of output 1060 [2025-01-22 20:59:37,021 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 37 proven. 215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:37,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [793921836] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:59:37,021 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:59:37,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 23, 23] total 61 [2025-01-22 20:59:37,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1318128194] [2025-01-22 20:59:37,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:59:37,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-01-22 20:59:37,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:59:37,022 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-01-22 20:59:37,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=3341, Unknown=0, NotChecked=0, Total=3782 [2025-01-22 20:59:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:37,023 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:59:37,023 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 4.129032258064516) internal successors, (256), 61 states have internal predecessors, (256), 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 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 20:59:37,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 20:59:47,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 20:59:47,488 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-01-22 20:59:47,683 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15,SelfDestructingSolverStorable16 [2025-01-22 20:59:47,683 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 20:59:47,683 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 20:59:47,683 INFO L139 ounterexampleChecker]: Examining path program with hash 1323326818, occurence #2 [2025-01-22 20:59:47,683 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 20:59:47,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 20:59:47,683 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:47,683 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 20:59:47,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 20:59:47,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:47,717 INFO L85 PathProgramCache]: Analyzing trace with hash -197558024, now seen corresponding path program 1 times [2025-01-22 20:59:47,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:59:47,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051828323] [2025-01-22 20:59:47,717 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:59:47,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:47,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 20:59:47,718 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 20:59:47,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:59:47,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:59:47,718 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:59:47,718 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:59:47,718 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 20:59:47,748 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 20:59:47,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:47,750 INFO L85 PathProgramCache]: Analyzing trace with hash 337347206, now seen corresponding path program 1 times [2025-01-22 20:59:47,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 20:59:47,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693459943] [2025-01-22 20:59:47,750 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 20:59:47,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:47,751 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 20:59:47,752 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 20:59:47,752 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 20:59:47,752 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 20:59:47,752 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 20:59:47,752 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 20:59:47,753 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 20:59:47,753 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 20:59:47,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 20:59:47,753 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:47,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 20:59:47,753 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:47,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 20:59:47,753 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:47,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 20:59:47,753 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:47,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 20:59:47,753 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:47,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 20:59:47,753 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 20:59:47,753 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 55 is hopeless, skipping. [2025-01-22 20:59:47,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 98 [2025-01-22 20:59:47,753 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 20:59:47,753 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 20:59:47,753 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 20:59:47,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 20:59:47,753 INFO L85 PathProgramCache]: Analyzing trace with hash -305320003, now seen corresponding path program 9 times [2025-01-22 20:59:47,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 20:59:47,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10969756] [2025-01-22 20:59:47,753 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:59:47,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 20:59:47,756 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 101 statements into 9 equivalence classes. [2025-01-22 20:59:47,771 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 101 of 101 statements. [2025-01-22 20:59:47,772 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-22 20:59:47,772 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:48,906 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 20:59:48,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 20:59:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10969756] [2025-01-22 20:59:48,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [10969756] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 20:59:48,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869953719] [2025-01-22 20:59:48,906 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 20:59:48,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 20:59:48,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 20:59:48,908 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 20:59:48,908 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 20:59:48,926 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 101 statements into 9 equivalence classes. [2025-01-22 20:59:48,944 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 101 of 101 statements. [2025-01-22 20:59:48,944 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-22 20:59:48,944 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 20:59:48,945 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-01-22 20:59:48,946 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 20:59:50,528 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 20 proven. 270 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:50,528 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 20:59:52,889 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 20:59:52,890 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 20:59:56,291 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 29 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 20:59:56,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869953719] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 20:59:56,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 20:59:56,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 25, 25] total 65 [2025-01-22 20:59:56,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219099729] [2025-01-22 20:59:56,292 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 20:59:56,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 66 states [2025-01-22 20:59:56,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 20:59:56,292 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2025-01-22 20:59:56,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=558, Invalid=3732, Unknown=0, NotChecked=0, Total=4290 [2025-01-22 20:59:56,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 20:59:56,293 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 20:59:56,293 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 66 states, 66 states have (on average 4.03030303030303) internal successors, (266), 65 states have internal predecessors, (266), 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 20:59:56,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:56,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 20:59:56,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 20:59:56,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:00:08,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:00:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:00:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:00:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:00:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:00:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:00:08,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:00:08,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-01-22 21:00:08,890 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-01-22 21:00:08,891 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:00:08,891 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:00:08,891 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #3 [2025-01-22 21:00:08,891 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:00:08,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:00:08,891 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,891 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:00:08,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:00:08,923 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:00:08,923 INFO L85 PathProgramCache]: Analyzing trace with hash -197557500, now seen corresponding path program 1 times [2025-01-22 21:00:08,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:00:08,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32599397] [2025-01-22 21:00:08,923 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:00:08,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:00:08,924 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:00:08,925 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:00:08,925 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:00:08,925 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:00:08,925 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:00:08,925 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:00:08,925 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:00:08,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:00:08,960 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:00:08,960 INFO L85 PathProgramCache]: Analyzing trace with hash 337347730, now seen corresponding path program 1 times [2025-01-22 21:00:08,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:00:08,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593119529] [2025-01-22 21:00:08,961 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:00:08,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:00:08,962 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:00:08,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:00:08,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:00:08,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:00:08,962 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:00:08,962 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:00:08,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:00:08,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:00:08,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:08,963 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 63 is hopeless, skipping. [2025-01-22 21:00:08,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-01-22 21:00:08,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:00:08,963 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:00:08,963 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:00:08,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:00:08,964 INFO L85 PathProgramCache]: Analyzing trace with hash 362445375, now seen corresponding path program 10 times [2025-01-22 21:00:08,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:00:08,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165839272] [2025-01-22 21:00:08,964 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:00:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:00:08,966 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 115 statements into 2 equivalence classes. [2025-01-22 21:00:08,976 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-22 21:00:08,976 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:00:08,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:00:10,415 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 0 proven. 384 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 21:00:10,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:00:10,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165839272] [2025-01-22 21:00:10,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165839272] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:00:10,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [357453243] [2025-01-22 21:00:10,415 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:00:10,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:00:10,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:00:10,417 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 21:00:10,419 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 21:00:10,438 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 115 statements into 2 equivalence classes. [2025-01-22 21:00:10,454 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 115 of 115 statements. [2025-01-22 21:00:10,454 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:00:10,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:00:10,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 98 conjuncts are in the unsatisfiable core [2025-01-22 21:00:10,456 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:00:12,719 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 20 proven. 371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:00:12,719 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:00:15,865 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:00:15,866 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 21:00:18,875 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 65 proven. 326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:00:18,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [357453243] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:00:18,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:00:18,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 27, 27] total 71 [2025-01-22 21:00:18,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75132339] [2025-01-22 21:00:18,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:00:18,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2025-01-22 21:00:18,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:00:18,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2025-01-22 21:00:18,877 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=547, Invalid=4565, Unknown=0, NotChecked=0, Total=5112 [2025-01-22 21:00:18,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:00:18,877 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:00:18,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 4.361111111111111) internal successors, (314), 71 states have internal predecessors, (314), 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 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:00:18,878 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:00:35,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:00:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:00:35,762 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 21:00:35,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:00:35,957 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:00:35,957 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:00:35,957 INFO L139 ounterexampleChecker]: Examining path program with hash 1323326818, occurence #3 [2025-01-22 21:00:35,957 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:00:35,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:00:35,957 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:35,957 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:00:35,987 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:00:35,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:00:35,990 INFO L85 PathProgramCache]: Analyzing trace with hash -197556912, now seen corresponding path program 1 times [2025-01-22 21:00:35,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:00:35,990 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410643875] [2025-01-22 21:00:35,990 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:00:35,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:00:35,991 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:00:35,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:00:35,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:00:35,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:00:35,992 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:00:35,992 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:00:35,992 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:00:36,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:00:36,030 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:00:36,030 INFO L85 PathProgramCache]: Analyzing trace with hash 337348318, now seen corresponding path program 1 times [2025-01-22 21:00:36,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:00:36,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41348661] [2025-01-22 21:00:36,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:00:36,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:00:36,031 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:00:36,032 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:00:36,032 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:00:36,032 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:00:36,032 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:00:36,032 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:00:36,032 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:00:36,032 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:00:36,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:00:36,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:00:36,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:00:36,032 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,032 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:00:36,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:00:36,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:00:36,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:00:36,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:00:36,033 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:00:36,033 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 63 is hopeless, skipping. [2025-01-22 21:00:36,033 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 118 [2025-01-22 21:00:36,033 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:00:36,033 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:00:36,033 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:00:36,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:00:36,033 INFO L85 PathProgramCache]: Analyzing trace with hash 1932956601, now seen corresponding path program 11 times [2025-01-22 21:00:36,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:00:36,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020639642] [2025-01-22 21:00:36,033 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:00:36,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:00:36,036 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 121 statements into 10 equivalence classes. [2025-01-22 21:00:36,056 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 121 of 121 statements. [2025-01-22 21:00:36,056 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-22 21:00:36,056 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:00:37,382 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 0 proven. 426 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 21:00:37,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:00:37,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020639642] [2025-01-22 21:00:37,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020639642] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:00:37,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716184026] [2025-01-22 21:00:37,383 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:00:37,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:00:37,383 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:00:37,385 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 21:00:37,385 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 21:00:37,407 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 121 statements into 10 equivalence classes. [2025-01-22 21:00:37,430 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) and asserted 121 of 121 statements. [2025-01-22 21:00:37,430 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2025-01-22 21:00:37,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:00:37,432 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-01-22 21:00:37,433 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:00:39,915 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 20 proven. 420 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:00:39,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:00:42,575 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,576 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,576 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,577 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,577 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,578 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,579 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,579 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,581 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,582 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,582 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,582 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,582 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,583 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,583 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,583 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,584 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,584 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,591 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,591 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,591 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,592 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,592 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,593 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,593 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,597 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,599 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,600 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,600 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,601 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,607 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,609 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,609 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,610 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,611 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,612 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,613 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,613 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,613 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,614 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,614 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,615 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,615 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,616 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,617 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,617 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,618 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,618 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,619 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,621 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,624 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,625 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,626 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,630 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,631 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,631 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,631 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,631 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,632 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,632 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,634 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,634 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,635 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,635 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,636 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,636 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,636 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,638 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,639 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,640 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,641 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,643 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,643 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,644 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,646 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,647 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,647 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:42,648 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:00:43,098 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:00:43,099 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 26 select indices, 26 select index equivalence classes, 234 disjoint index pairs (out of 325 index pairs), introduced 26 new quantified variables, introduced 91 case distinctions, treesize of input 250 treesize of output 984 [2025-01-22 21:00:43,935 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 54 proven. 386 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:00:43,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716184026] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:00:43,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:00:43,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29, 29] total 76 [2025-01-22 21:00:43,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253778721] [2025-01-22 21:00:43,935 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:00:43,936 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2025-01-22 21:00:43,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:00:43,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2025-01-22 21:00:43,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=5173, Unknown=0, NotChecked=0, Total=5852 [2025-01-22 21:00:43,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:00:43,937 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:00:43,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 4.233766233766234) internal successors, (326), 76 states have internal predecessors, (326), 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 21:00:43,937 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:00:43,938 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:01:05,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:01:05,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:01:05,404 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 21:01:05,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25 [2025-01-22 21:01:05,599 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:01:05,599 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:01:05,599 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #4 [2025-01-22 21:01:05,599 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:01:05,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:01:05,599 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,599 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:01:05,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:01:05,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:01:05,633 INFO L85 PathProgramCache]: Analyzing trace with hash -197556262, now seen corresponding path program 1 times [2025-01-22 21:01:05,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:01:05,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084398874] [2025-01-22 21:01:05,633 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:01:05,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:01:05,634 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:01:05,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:01:05,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:01:05,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:01:05,635 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:01:05,635 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:01:05,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:01:05,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:01:05,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:01:05,669 INFO L85 PathProgramCache]: Analyzing trace with hash 337348968, now seen corresponding path program 1 times [2025-01-22 21:01:05,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:01:05,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288784024] [2025-01-22 21:01:05,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:01:05,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:01:05,670 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:01:05,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:01:05,671 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:01:05,671 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:01:05,671 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:01:05,671 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:01:05,671 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:01:05,671 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:01:05,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:01:05,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:01:05,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:01:05,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:01:05,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,671 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:01:05,671 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:01:05,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:01:05,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:01:05,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:01:05,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:01:05,672 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:05,672 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 71 is hopeless, skipping. [2025-01-22 21:01:05,672 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 132 [2025-01-22 21:01:05,672 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:01:05,672 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:01:05,672 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:01:05,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:01:05,672 INFO L85 PathProgramCache]: Analyzing trace with hash 788147515, now seen corresponding path program 12 times [2025-01-22 21:01:05,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:01:05,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356170929] [2025-01-22 21:01:05,672 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 21:01:05,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:01:05,676 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 135 statements into 11 equivalence classes. [2025-01-22 21:01:05,696 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 135 of 135 statements. [2025-01-22 21:01:05,696 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-01-22 21:01:05,696 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:01:07,472 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 0 proven. 552 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 21:01:07,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:01:07,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356170929] [2025-01-22 21:01:07,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356170929] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:01:07,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [267696196] [2025-01-22 21:01:07,472 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 21:01:07,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:01:07,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:01:07,474 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 21:01:07,475 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 21:01:07,497 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 135 statements into 11 equivalence classes. [2025-01-22 21:01:07,524 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) and asserted 135 of 135 statements. [2025-01-22 21:01:07,525 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2025-01-22 21:01:07,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:01:07,526 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-01-22 21:01:07,528 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:01:10,976 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 20 proven. 546 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:01:10,976 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:01:16,124 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:01:16,125 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 21:01:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 566 backedges. 101 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:01:22,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [267696196] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:01:22,023 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:01:22,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31, 31] total 83 [2025-01-22 21:01:22,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762942516] [2025-01-22 21:01:22,024 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:01:22,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-01-22 21:01:22,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:01:22,025 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-01-22 21:01:22,026 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=6171, Unknown=0, NotChecked=0, Total=6972 [2025-01-22 21:01:22,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:01:22,026 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:01:22,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 4.416666666666667) internal successors, (371), 83 states have internal predecessors, (371), 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 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:01:22,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:01:22,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:01:22,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:01:48,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:01:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:01:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:01:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:01:48,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:01:48,711 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 21:01:48,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-01-22 21:01:48,903 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:01:48,903 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:01:48,903 INFO L139 ounterexampleChecker]: Examining path program with hash 1323326818, occurence #4 [2025-01-22 21:01:48,903 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:01:48,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:01:48,903 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:01:48,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:01:48,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:01:48,938 INFO L85 PathProgramCache]: Analyzing trace with hash -197555542, now seen corresponding path program 1 times [2025-01-22 21:01:48,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:01:48,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244886102] [2025-01-22 21:01:48,939 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:01:48,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:01:48,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:01:48,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:01:48,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:01:48,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:01:48,940 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:01:48,940 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:01:48,940 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:01:48,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:01:48,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:01:48,974 INFO L85 PathProgramCache]: Analyzing trace with hash 337349688, now seen corresponding path program 1 times [2025-01-22 21:01:48,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:01:48,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1423705566] [2025-01-22 21:01:48,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:01:48,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:01:48,975 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:01:48,976 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:01:48,976 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:01:48,976 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:01:48,976 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:01:48,976 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:01:48,976 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:01:48,976 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:01:48,976 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:01:48,977 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:01:48,977 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 71 is hopeless, skipping. [2025-01-22 21:01:48,977 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 138 [2025-01-22 21:01:48,977 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:01:48,977 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:01:48,977 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:01:48,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:01:48,977 INFO L85 PathProgramCache]: Analyzing trace with hash -248833611, now seen corresponding path program 13 times [2025-01-22 21:01:48,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:01:48,977 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832478079] [2025-01-22 21:01:48,977 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:01:48,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:01:48,980 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-22 21:01:48,990 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-22 21:01:48,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:01:48,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:01:51,345 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 1 proven. 619 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-01-22 21:01:51,345 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:01:51,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832478079] [2025-01-22 21:01:51,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832478079] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:01:51,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367849132] [2025-01-22 21:01:51,346 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:01:51,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:01:51,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:01:51,347 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 21:01:51,348 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 21:01:51,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-01-22 21:01:51,388 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-01-22 21:01:51,388 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:01:51,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:01:51,390 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 122 conjuncts are in the unsatisfiable core [2025-01-22 21:01:51,391 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:01:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 20 proven. 606 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:01:55,682 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:02:02,024 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:02:02,025 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 21:02:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 626 backedges. 87 proven. 539 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:02:11,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367849132] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:02:11,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:02:11,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33, 33] total 90 [2025-01-22 21:02:11,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558538914] [2025-01-22 21:02:11,103 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:02:11,103 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2025-01-22 21:02:11,103 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:02:11,104 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2025-01-22 21:02:11,105 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=785, Invalid=7405, Unknown=0, NotChecked=0, Total=8190 [2025-01-22 21:02:11,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:02:11,105 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:02:11,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 4.318681318681318) internal successors, (393), 90 states have internal predecessors, (393), 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 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:02:11,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:02:44,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:02:44,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:02:44,893 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 21:02:45,088 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31 [2025-01-22 21:02:45,088 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:02:45,088 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:02:45,088 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #5 [2025-01-22 21:02:45,088 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:02:45,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:02:45,089 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,089 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:02:45,125 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:02:45,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:02:45,128 INFO L85 PathProgramCache]: Analyzing trace with hash -197554754, now seen corresponding path program 1 times [2025-01-22 21:02:45,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:02:45,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507576599] [2025-01-22 21:02:45,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:02:45,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:02:45,129 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:02:45,130 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:02:45,130 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:02:45,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:02:45,130 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:02:45,130 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:02:45,130 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:02:45,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:02:45,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:02:45,168 INFO L85 PathProgramCache]: Analyzing trace with hash 337350476, now seen corresponding path program 1 times [2025-01-22 21:02:45,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:02:45,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604872191] [2025-01-22 21:02:45,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:02:45,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:02:45,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:02:45,170 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:02:45,170 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:02:45,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:02:45,170 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:02:45,170 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:02:45,170 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:02:45,170 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:02:45,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:02:45,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:02:45,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:02:45,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:02:45,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:02:45,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,170 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:02:45,170 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:02:45,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:02:45,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:02:45,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:02:45,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 21:02:45,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-22 21:02:45,171 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:02:45,171 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 79 is hopeless, skipping. [2025-01-22 21:02:45,171 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-01-22 21:02:45,171 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:02:45,171 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:02:45,171 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:02:45,171 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:02:45,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1592950217, now seen corresponding path program 14 times [2025-01-22 21:02:45,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:02:45,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303780474] [2025-01-22 21:02:45,173 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:02:45,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:02:45,180 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-01-22 21:02:45,192 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 155 of 155 statements. [2025-01-22 21:02:45,192 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:02:45,192 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:02:48,007 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 0 proven. 770 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 21:02:48,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:02:48,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303780474] [2025-01-22 21:02:48,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303780474] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:02:48,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1792984058] [2025-01-22 21:02:48,007 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:02:48,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:02:48,007 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:02:48,009 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 21:02:48,009 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 21:02:48,032 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 155 statements into 2 equivalence classes. [2025-01-22 21:02:48,053 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 155 of 155 statements. [2025-01-22 21:02:48,053 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:02:48,053 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:02:48,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 130 conjuncts are in the unsatisfiable core [2025-01-22 21:02:48,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:02:52,883 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 20 proven. 757 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:02:52,883 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:03:00,478 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:03:00,479 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 21:03:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 145 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:03:14,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1792984058] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:03:14,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:03:14,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 35, 35] total 95 [2025-01-22 21:03:14,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426633270] [2025-01-22 21:03:14,268 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:03:14,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2025-01-22 21:03:14,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:03:14,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2025-01-22 21:03:14,270 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=878, Invalid=8242, Unknown=0, NotChecked=0, Total=9120 [2025-01-22 21:03:14,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:03:14,270 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:03:14,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 4.520833333333333) internal successors, (434), 95 states have internal predecessors, (434), 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 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:03:14,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:03:52,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:03:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:03:52,436 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 21:03:52,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:03:52,631 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:03:52,631 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:03:52,631 INFO L139 ounterexampleChecker]: Examining path program with hash 1323326818, occurence #5 [2025-01-22 21:03:52,631 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:03:52,631 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:03:52,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:03:52,660 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:03:52,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:03:52,666 INFO L85 PathProgramCache]: Analyzing trace with hash -197553902, now seen corresponding path program 1 times [2025-01-22 21:03:52,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:03:52,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1245068838] [2025-01-22 21:03:52,667 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:03:52,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:03:52,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:03:52,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:03:52,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:03:52,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:03:52,668 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:03:52,668 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:03:52,668 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:03:52,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:03:52,700 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:03:52,700 INFO L85 PathProgramCache]: Analyzing trace with hash 337351328, now seen corresponding path program 1 times [2025-01-22 21:03:52,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:03:52,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473979847] [2025-01-22 21:03:52,700 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:03:52,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:03:52,701 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:03:52,702 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:03:52,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:03:52,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:03:52,702 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:03:52,702 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:03:52,702 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:03:52,702 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:03:52,702 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,702 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:03:52,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:03:52,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 21:03:52,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-22 21:03:52,703 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:03:52,703 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 79 is hopeless, skipping. [2025-01-22 21:03:52,703 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-01-22 21:03:52,703 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:03:52,703 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:03:52,703 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:03:52,703 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:03:52,703 INFO L85 PathProgramCache]: Analyzing trace with hash -418266703, now seen corresponding path program 15 times [2025-01-22 21:03:52,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:03:52,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714414438] [2025-01-22 21:03:52,703 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:03:52,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:03:52,706 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 161 statements into 14 equivalence classes. [2025-01-22 21:03:52,725 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 161 of 161 statements. [2025-01-22 21:03:52,726 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-01-22 21:03:52,726 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:03:55,282 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 0 proven. 834 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 21:03:55,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:03:55,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714414438] [2025-01-22 21:03:55,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714414438] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:03:55,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939274232] [2025-01-22 21:03:55,282 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:03:55,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:03:55,282 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:03:55,284 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 21:03:55,285 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 21:03:55,305 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 161 statements into 14 equivalence classes. [2025-01-22 21:03:55,337 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) and asserted 161 of 161 statements. [2025-01-22 21:03:55,337 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2025-01-22 21:03:55,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:03:55,341 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 140 conjuncts are in the unsatisfiable core [2025-01-22 21:03:55,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:04:00,477 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 20 proven. 828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:04:00,478 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:04:13,238 WARN L286 SmtUtils]: Spent 7.16s on a formula simplification. DAG size of input: 1123 DAG size of output: 1063 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2025-01-22 21:04:13,238 INFO L349 Elim1Store]: treesize reduction 128, result has 96.0 percent of original size [2025-01-22 21:04:13,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 35 select indices, 35 select index equivalence classes, 0 disjoint index pairs (out of 595 index pairs), introduced 35 new quantified variables, introduced 595 case distinctions, treesize of input 332 treesize of output 3196 [2025-01-22 21:04:44,423 INFO L134 CoverageAnalysis]: Checked inductivity of 848 backedges. 128 proven. 720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:04:44,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939274232] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:04:44,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:04:44,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 37, 38] total 102 [2025-01-22 21:04:44,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609701921] [2025-01-22 21:04:44,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:04:44,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-01-22 21:04:44,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:04:44,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-01-22 21:04:44,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1292, Invalid=9214, Unknown=0, NotChecked=0, Total=10506 [2025-01-22 21:04:44,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:04:44,426 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:04:44,426 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 4.330097087378641) internal successors, (446), 102 states have internal predecessors, (446), 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 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:04:44,426 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:04:44,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:05:34,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:05:34,564 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 21:05:34,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37 [2025-01-22 21:05:34,760 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:05:34,760 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:05:34,760 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #6 [2025-01-22 21:05:34,760 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:05:34,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:05:34,760 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,760 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:05:34,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:05:34,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:05:34,792 INFO L85 PathProgramCache]: Analyzing trace with hash -197552942, now seen corresponding path program 1 times [2025-01-22 21:05:34,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:05:34,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822672258] [2025-01-22 21:05:34,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:05:34,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:05:34,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:05:34,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:05:34,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:05:34,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:05:34,794 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:05:34,794 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:05:34,794 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:05:34,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:05:34,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:05:34,830 INFO L85 PathProgramCache]: Analyzing trace with hash 337352288, now seen corresponding path program 1 times [2025-01-22 21:05:34,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:05:34,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503016059] [2025-01-22 21:05:34,831 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:05:34,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:05:34,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:05:34,832 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:05:34,832 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:05:34,832 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:05:34,832 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:05:34,832 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:05:34,832 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:05:34,832 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:05:34,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:05:34,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:05:34,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,832 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:05:34,832 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 21:05:34,833 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:05:34,833 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 87 is hopeless, skipping. [2025-01-22 21:05:34,833 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2025-01-22 21:05:34,833 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:05:34,833 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:05:34,833 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:05:34,833 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:05:34,833 INFO L85 PathProgramCache]: Analyzing trace with hash -654608077, now seen corresponding path program 16 times [2025-01-22 21:05:34,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:05:34,834 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1324687964] [2025-01-22 21:05:34,834 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:05:34,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:05:34,836 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 175 statements into 2 equivalence classes. [2025-01-22 21:05:34,850 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-22 21:05:34,850 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:05:34,850 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:05:38,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 0 proven. 1017 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 21:05:38,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:05:38,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1324687964] [2025-01-22 21:05:38,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1324687964] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:05:38,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1970534037] [2025-01-22 21:05:38,225 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:05:38,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:05:38,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:05:38,227 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 21:05:38,228 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 21:05:38,248 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 175 statements into 2 equivalence classes. [2025-01-22 21:05:38,271 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 175 of 175 statements. [2025-01-22 21:05:38,271 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:05:38,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:05:38,273 INFO L256 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 146 conjuncts are in the unsatisfiable core [2025-01-22 21:05:38,275 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:05:44,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 20 proven. 1004 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:05:44,468 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:05:53,888 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:05:53,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 36 select indices, 36 select index equivalence classes, 0 disjoint index pairs (out of 630 index pairs), introduced 36 new quantified variables, introduced 630 case distinctions, treesize of input 346 treesize of output 3340 [2025-01-22 21:06:10,009 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 197 proven. 827 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:06:10,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1970534037] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:06:10,009 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:06:10,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 39, 39] total 107 [2025-01-22 21:06:10,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782216923] [2025-01-22 21:06:10,009 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:06:10,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2025-01-22 21:06:10,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:06:10,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2025-01-22 21:06:10,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1066, Invalid=10490, Unknown=0, NotChecked=0, Total=11556 [2025-01-22 21:06:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:06:10,011 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:06:10,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 4.574074074074074) internal successors, (494), 107 states have internal predecessors, (494), 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 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:06:10,011 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:06:10,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:07:04,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:07:04,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:07:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:07:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:07:04,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2025-01-22 21:07:04,557 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 21:07:04,752 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,SelfDestructingSolverStorable40,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-01-22 21:07:04,753 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:07:04,753 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:07:04,753 INFO L139 ounterexampleChecker]: Examining path program with hash 1323326818, occurence #6 [2025-01-22 21:07:04,753 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:07:04,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:07:04,753 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,753 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:07:04,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:07:04,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:07:04,792 INFO L85 PathProgramCache]: Analyzing trace with hash -197551958, now seen corresponding path program 1 times [2025-01-22 21:07:04,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:07:04,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [577081385] [2025-01-22 21:07:04,792 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:07:04,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:07:04,795 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:07:04,796 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:07:04,796 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:07:04,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:07:04,796 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:07:04,796 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:07:04,796 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:07:04,828 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:07:04,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:07:04,835 INFO L85 PathProgramCache]: Analyzing trace with hash 337353272, now seen corresponding path program 1 times [2025-01-22 21:07:04,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:07:04,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219273395] [2025-01-22 21:07:04,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:07:04,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:07:04,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:07:04,837 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:07:04,837 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:07:04,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:07:04,837 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:07:04,837 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:07:04,837 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:07:04,837 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,837 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:07:04,837 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 21:07:04,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-22 21:07:04,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-22 21:07:04,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 21:07:04,838 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:07:04,838 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 87 is hopeless, skipping. [2025-01-22 21:07:04,838 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-01-22 21:07:04,838 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:07:04,838 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:07:04,838 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:07:04,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:07:04,838 INFO L85 PathProgramCache]: Analyzing trace with hash 147950509, now seen corresponding path program 17 times [2025-01-22 21:07:04,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:07:04,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254674886] [2025-01-22 21:07:04,838 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:07:04,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:07:04,844 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 181 statements into 16 equivalence classes. [2025-01-22 21:07:04,932 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 181 of 181 statements. [2025-01-22 21:07:04,932 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-22 21:07:04,932 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:07:08,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 0 proven. 1092 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 21:07:08,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:07:08,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254674886] [2025-01-22 21:07:08,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254674886] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:07:08,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969256528] [2025-01-22 21:07:08,252 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:07:08,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:07:08,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:07:08,254 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 21:07:08,254 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 21:07:08,275 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 181 statements into 16 equivalence classes. [2025-01-22 21:07:08,306 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) and asserted 181 of 181 statements. [2025-01-22 21:07:08,306 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2025-01-22 21:07:08,306 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:07:08,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 161 conjuncts are in the unsatisfiable core [2025-01-22 21:07:08,310 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:07:16,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 20 proven. 1086 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:07:16,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:07:23,640 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,640 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,641 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,642 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,642 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,644 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,646 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,647 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,649 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,649 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,650 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,650 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,650 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,651 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,651 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,651 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,652 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,652 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,652 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,653 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,653 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,653 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,654 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,654 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,663 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,664 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,664 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,665 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,665 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,665 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,665 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,666 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,666 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,667 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,667 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,667 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,668 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,671 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,672 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,673 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,675 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,681 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,683 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,683 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,683 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,683 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,684 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,685 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,685 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,685 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,691 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,691 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,691 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,691 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,693 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,693 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,693 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,693 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,694 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,694 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,695 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,695 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,696 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,696 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,698 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,698 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,698 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,699 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,699 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,699 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,700 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,701 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,702 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,703 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,703 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,703 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,703 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,704 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,704 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,704 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,705 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,705 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,706 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,706 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,706 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,706 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,708 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,708 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,708 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,708 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,709 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,709 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,710 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,710 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,710 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,711 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,711 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,715 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,721 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,721 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,722 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,722 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,723 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,723 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,725 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,727 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,729 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,731 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,734 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,735 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,736 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,736 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,736 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,737 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,737 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,737 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,738 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,738 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,739 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,739 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,739 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,742 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,745 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,747 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,747 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,747 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,747 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,748 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,750 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,751 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,752 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,752 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,753 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,753 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,754 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,754 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,755 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,755 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,755 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,756 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,756 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,756 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,757 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,757 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,759 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,759 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,759 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,762 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,763 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,765 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,766 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,767 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,767 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,767 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,768 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,768 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,768 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,769 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,771 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,772 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,772 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,773 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,774 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,775 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,776 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,779 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,779 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,780 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,780 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,781 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,781 INFO L173 IndexEqualityManager]: detected equality via solver [2025-01-22 21:07:23,781 INFO L224 Elim1Store]: Index analysis took 141 ms [2025-01-22 21:07:25,371 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:07:25,371 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 38 select indices, 38 select index equivalence classes, 513 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 190 case distinctions, treesize of input 364 treesize of output 2004 [2025-01-22 21:07:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 1106 backedges. 177 proven. 929 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:07:27,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969256528] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:07:27,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:07:27,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 43, 41] total 115 [2025-01-22 21:07:27,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048535965] [2025-01-22 21:07:27,999 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:07:27,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2025-01-22 21:07:27,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:07:28,000 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2025-01-22 21:07:28,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1524, Invalid=11816, Unknown=0, NotChecked=0, Total=13340 [2025-01-22 21:07:28,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:07:28,001 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:07:28,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 4.362068965517241) internal successors, (506), 115 states have internal predecessors, (506), 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 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2025-01-22 21:07:28,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:08:15,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2025-01-22 21:08:15,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2025-01-22 21:08:15,884 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 21:08:16,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,SelfDestructingSolverStorable43,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:08:16,079 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:08:16,079 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:08:16,080 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #7 [2025-01-22 21:08:16,080 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:08:16,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:08:16,080 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,080 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:08:16,109 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:08:16,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:08:16,111 INFO L85 PathProgramCache]: Analyzing trace with hash -197551046, now seen corresponding path program 1 times [2025-01-22 21:08:16,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:08:16,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931100216] [2025-01-22 21:08:16,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:08:16,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:08:16,113 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:08:16,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:08:16,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:08:16,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:08:16,113 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:08:16,113 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:08:16,113 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:08:16,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:08:16,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:08:16,145 INFO L85 PathProgramCache]: Analyzing trace with hash 337354184, now seen corresponding path program 1 times [2025-01-22 21:08:16,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:08:16,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333315936] [2025-01-22 21:08:16,145 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:08:16,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:08:16,146 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:08:16,147 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:08:16,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:08:16,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:08:16,147 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:08:16,147 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:08:16,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:08:16,147 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:08:16,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:08:16,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:08:16,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:08:16,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:08:16,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:08:16,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:08:16,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,147 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:08:16,147 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-01-22 21:08:16,148 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:08:16,148 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 95 is hopeless, skipping. [2025-01-22 21:08:16,148 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-01-22 21:08:16,148 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:08:16,148 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:08:16,148 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:08:16,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:08:16,148 INFO L85 PathProgramCache]: Analyzing trace with hash -1737813457, now seen corresponding path program 18 times [2025-01-22 21:08:16,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:08:16,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375698793] [2025-01-22 21:08:16,149 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 21:08:16,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:08:16,152 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 17 equivalence classes. [2025-01-22 21:08:16,171 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 195 of 195 statements. [2025-01-22 21:08:16,171 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-22 21:08:16,171 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:08:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 6 proven. 1300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 21:08:20,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:08:20,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375698793] [2025-01-22 21:08:20,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375698793] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:08:20,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [726901113] [2025-01-22 21:08:20,501 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 21:08:20,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:08:20,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:08:20,502 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 21:08:20,503 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 21:08:20,524 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 195 statements into 17 equivalence classes. [2025-01-22 21:08:20,565 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) and asserted 195 of 195 statements. [2025-01-22 21:08:20,565 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2025-01-22 21:08:20,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:08:20,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 162 conjuncts are in the unsatisfiable core [2025-01-22 21:08:20,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:08:29,427 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 20 proven. 1287 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:08:29,427 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:08:41,871 WARN L286 SmtUtils]: Spent 5.09s 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 21:08:41,872 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:08:41,873 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 21:08:52,819 INFO L134 CoverageAnalysis]: Checked inductivity of 1307 backedges. 257 proven. 1050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:08:52,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [726901113] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:08:52,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:08:52,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43, 43] total 123 [2025-01-22 21:08:52,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586709759] [2025-01-22 21:08:52,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:08:52,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 124 states [2025-01-22 21:08:52,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:08:52,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2025-01-22 21:08:52,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1669, Invalid=13583, Unknown=0, NotChecked=0, Total=15252 [2025-01-22 21:08:52,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:08:52,821 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:08:52,822 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 124 states, 124 states have (on average 4.540322580645161) internal successors, (563), 123 states have internal predecessors, (563), 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 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2025-01-22 21:08:52,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2025-01-22 21:09:56,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2025-01-22 21:09:56,527 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 21:09:56,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable46 [2025-01-22 21:09:56,722 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:09:56,722 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:09:56,722 INFO L139 ounterexampleChecker]: Examining path program with hash 1323326818, occurence #7 [2025-01-22 21:09:56,722 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:09:56,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:09:56,722 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,722 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:09:56,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:09:56,753 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:09:56,753 INFO L85 PathProgramCache]: Analyzing trace with hash -197549930, now seen corresponding path program 1 times [2025-01-22 21:09:56,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:09:56,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773005320] [2025-01-22 21:09:56,753 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:09:56,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:09:56,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:09:56,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:09:56,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:09:56,755 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:09:56,755 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:09:56,755 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:09:56,755 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:09:56,787 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:09:56,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:09:56,790 INFO L85 PathProgramCache]: Analyzing trace with hash 337355300, now seen corresponding path program 1 times [2025-01-22 21:09:56,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:09:56,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [798075302] [2025-01-22 21:09:56,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:09:56,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:09:56,791 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:09:56,791 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:09:56,791 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:09:56,791 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:09:56,791 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:09:56,792 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:09:56,792 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:09:56,792 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,792 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-01-22 21:09:56,792 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:09:56,793 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 95 is hopeless, skipping. [2025-01-22 21:09:56,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-01-22 21:09:56,793 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:09:56,793 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:09:56,793 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:09:56,793 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:09:56,793 INFO L85 PathProgramCache]: Analyzing trace with hash -19826775, now seen corresponding path program 19 times [2025-01-22 21:09:56,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:09:56,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436426152] [2025-01-22 21:09:56,793 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:09:56,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:09:56,796 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-01-22 21:09:56,814 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-01-22 21:09:56,814 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:09:56,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:01,838 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 0 proven. 1393 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 21:10:01,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:10:01,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436426152] [2025-01-22 21:10:01,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436426152] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:10:01,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343674252] [2025-01-22 21:10:01,838 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:10:01,838 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:10:01,838 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:10:01,840 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 21:10:01,840 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 21:10:01,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 201 statements into 1 equivalence classes. [2025-01-22 21:10:01,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 201 of 201 statements. [2025-01-22 21:10:01,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:01,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:01,889 INFO L256 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 170 conjuncts are in the unsatisfiable core [2025-01-22 21:10:01,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:10:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 20 proven. 1380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:10:11,826 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:10:26,620 WARN L286 SmtUtils]: Spent 6.13s 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 21:10:26,620 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:10:26,621 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 21:10:47,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1400 backedges. 234 proven. 1166 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:10:47,526 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343674252] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:10:47,526 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:10:47,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 45, 45] total 125 [2025-01-22 21:10:47,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710802542] [2025-01-22 21:10:47,526 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:10:47,527 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 126 states [2025-01-22 21:10:47,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:10:47,527 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2025-01-22 21:10:47,528 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1358, Invalid=14392, Unknown=0, NotChecked=0, Total=15750 [2025-01-22 21:10:47,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:47,528 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:10:47,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 126 states, 126 states have (on average 4.5396825396825395) internal successors, (572), 125 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 301 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 277 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 341 states. [2025-01-22 21:10:47,533 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2025-01-22 21:12:03,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 221 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 241 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 261 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 301 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 277 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 341 states. [2025-01-22 21:12:03,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 361 states. [2025-01-22 21:12:03,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-01-22 21:12:03,346 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,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-01-22 21:12:03,346 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2025-01-22 21:12:03,346 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:12:03,347 INFO L139 ounterexampleChecker]: Examining path program with hash 595917162, occurence #8 [2025-01-22 21:12:03,347 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:12:03,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-01-22 21:12:03,347 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,347 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-01-22 21:12:03,376 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2025-01-22 21:12:03,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:12:03,384 INFO L85 PathProgramCache]: Analyzing trace with hash -197548746, now seen corresponding path program 1 times [2025-01-22 21:12:03,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:12:03,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433198796] [2025-01-22 21:12:03,384 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:12:03,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:12:03,385 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-01-22 21:12:03,386 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-01-22 21:12:03,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:12:03,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:12:03,386 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:12:03,386 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:12:03,386 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:12:03,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 6 [2025-01-22 21:12:03,424 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:12:03,424 INFO L85 PathProgramCache]: Analyzing trace with hash 337356484, now seen corresponding path program 1 times [2025-01-22 21:12:03,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-01-22 21:12:03,424 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256649005] [2025-01-22 21:12:03,424 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:12:03,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:12:03,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:12:03,425 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:12:03,425 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:12:03,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-01-22 21:12:03,426 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-01-22 21:12:03,426 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-01-22 21:12:03,426 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 19 is hopeless, skipping. [2025-01-22 21:12:03,426 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 25 is hopeless, skipping. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 44 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 60 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 64 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 76 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 80 [2025-01-22 21:12:03,426 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,426 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-01-22 21:12:03,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-01-22 21:12:03,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 92 [2025-01-22 21:12:03,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-01-22 21:12:03,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-01-22 21:12:03,427 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:12:03,427 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 103 is hopeless, skipping. [2025-01-22 21:12:03,427 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-01-22 21:12:03,427 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:12:03,427 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:12:03,427 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:12:03,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:12:03,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1249686229, now seen corresponding path program 20 times [2025-01-22 21:12:03,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:12:03,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554740628] [2025-01-22 21:12:03,427 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:12:03,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:12:03,431 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 215 statements into 2 equivalence classes. [2025-01-22 21:12:03,451 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-01-22 21:12:03,451 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:12:03,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:12:10,078 INFO L134 CoverageAnalysis]: Checked inductivity of 1626 backedges. 0 proven. 1619 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2025-01-22 21:12:10,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:12:10,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554740628] [2025-01-22 21:12:10,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1554740628] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:12:10,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1637340997] [2025-01-22 21:12:10,078 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:12:10,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:12:10,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:12:10,080 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 21:12:10,080 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 21:12:10,102 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 215 statements into 2 equivalence classes. [2025-01-22 21:12:10,131 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 215 of 215 statements. [2025-01-22 21:12:10,131 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:12:10,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:12:10,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 178 conjuncts are in the unsatisfiable core [2025-01-22 21:12:10,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:12:21,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1626 backedges. 20 proven. 1606 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:12:21,141 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:12:38,566 WARN L286 SmtUtils]: Spent 7.46s 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 21:12:38,567 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:12:38,568 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 Received shutdown request... [2025-01-22 21:12:55,320 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 21:12:55,325 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 21:12:55,326 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 21:12:55,326 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-01-22 21:12:55,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-01-22 21:12:55,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,24 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:12:55,521 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 40,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-370-12-14-10-10-3-7-1 context. [2025-01-22 21:12:55,522 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 21:12:55,522 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 21:12:55,522 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 21:12:55,534 INFO L422 BasicCegarLoop]: Path program histogram: [20, 3, 1, 1] [2025-01-22 21:12:55,539 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 21:12:55,539 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 21:12:55,554 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 21:12:55,554 INFO L201 PluginConnector]: Adding new model send-receive.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 09:12:55 BasicIcfg [2025-01-22 21:12:55,554 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 21:12:55,555 INFO L158 Benchmark]: Toolchain (without parser) took 846043.96ms. Allocated memory was 117.4MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 81.2MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.9GB. Max. memory is 16.0GB. [2025-01-22 21:12:55,555 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:12:55,555 INFO L158 Benchmark]: Boogie Procedure Inliner took 19.76ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:12:55,555 INFO L158 Benchmark]: Boogie Preprocessor took 10.90ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 658.9kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:12:55,556 INFO L158 Benchmark]: RCFGBuilder took 203.29ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 21:12:55,556 INFO L158 Benchmark]: TraceAbstraction took 845805.07ms. Allocated memory was 117.4MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 68.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.8GB. Max. memory is 16.0GB. [2025-01-22 21:12:55,556 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.24ms. Allocated memory is still 117.4MB. Free memory is still 82.2MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 19.76ms. Allocated memory is still 117.4MB. Free memory was 81.2MB in the beginning and 80.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 10.90ms. Allocated memory is still 117.4MB. Free memory was 80.0MB in the beginning and 79.3MB in the end (delta: 658.9kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 203.29ms. Allocated memory is still 117.4MB. Free memory was 79.2MB in the beginning and 69.3MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 845805.07ms. Allocated memory was 117.4MB in the beginning and 3.7GB in the end (delta: 3.6GB). Free memory was 68.8MB in the beginning and 2.2GB in the end (delta: -2.1GB). Peak memory consumption was 2.8GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 847704, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 141221, dependent conditional: 141213, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 784488, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 78005, dependent conditional: 77997, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 784488, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 78005, dependent conditional: 77997, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2313075, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 1606592, dependent conditional: 1606584, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2313075, independent: 706483, independent conditional: 5736, independent unconditional: 700747, dependent: 1606592, dependent conditional: 747236, dependent unconditional: 859356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2313075, independent: 706483, independent conditional: 5736, independent unconditional: 700747, dependent: 1606592, dependent conditional: 747236, dependent unconditional: 859356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5746, independent: 2401, independent conditional: 2158, independent unconditional: 243, dependent: 3345, dependent conditional: 3334, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5746, independent: 239, independent conditional: 0, independent unconditional: 239, dependent: 5507, dependent conditional: 0, dependent unconditional: 5507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5507, independent: 2162, independent conditional: 2158, independent unconditional: 4, dependent: 3345, dependent conditional: 3334, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5507, independent: 2162, independent conditional: 2158, independent unconditional: 4, dependent: 3345, dependent conditional: 3334, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40923, independent: 15156, independent conditional: 15094, independent unconditional: 61, dependent: 25767, dependent conditional: 25470, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2313075, independent: 704082, independent conditional: 3578, independent unconditional: 700504, dependent: 1603247, dependent conditional: 743902, dependent unconditional: 859345, unknown: 5746, unknown conditional: 5492, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 5774, Positive cache size: 2429, Positive conditional cache size: 2186, Positive unconditional cache size: 243, Negative cache size: 3345, Negative conditional cache size: 3334, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1559823, Maximal queried relation: 24, Independence queries for same thread: 63216, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 41, Number of trivial persistent sets: 30, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 280, independent: 272, independent conditional: 0, independent unconditional: 272, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 847704, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 141221, dependent conditional: 141213, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 784488, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 78005, dependent conditional: 77997, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 784488, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 78005, dependent conditional: 77997, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2313075, independent: 706483, independent conditional: 706211, independent unconditional: 272, dependent: 1606592, dependent conditional: 1606584, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2313075, independent: 706483, independent conditional: 5736, independent unconditional: 700747, dependent: 1606592, dependent conditional: 747236, dependent unconditional: 859356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2313075, independent: 706483, independent conditional: 5736, independent unconditional: 700747, dependent: 1606592, dependent conditional: 747236, dependent unconditional: 859356, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5746, independent: 2401, independent conditional: 2158, independent unconditional: 243, dependent: 3345, dependent conditional: 3334, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5746, independent: 239, independent conditional: 0, independent unconditional: 239, dependent: 5507, dependent conditional: 0, dependent unconditional: 5507, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 5507, independent: 2162, independent conditional: 2158, independent unconditional: 4, dependent: 3345, dependent conditional: 3334, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 5507, independent: 2162, independent conditional: 2158, independent unconditional: 4, dependent: 3345, dependent conditional: 3334, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 40923, independent: 15156, independent conditional: 15094, independent unconditional: 61, dependent: 25767, dependent conditional: 25470, dependent unconditional: 297, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 28, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 2313075, independent: 704082, independent conditional: 3578, independent unconditional: 700504, dependent: 1603247, dependent conditional: 743902, dependent unconditional: 859345, unknown: 5746, unknown conditional: 5492, unknown unconditional: 254] , Statistics on independence cache: Total cache size (in pairs): 5774, Positive cache size: 2429, Positive conditional cache size: 2186, Positive unconditional cache size: 243, Negative cache size: 3345, Negative conditional cache size: 3334, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1559823, Maximal queried relation: 24, Independence queries for same thread: 63216 - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 40,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-370-12-14-10-10-3-7-1 context. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 40,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-370-12-14-10-10-3-7-1 context. - TimeoutResultAtElement [Line: 63]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 40,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-370-12-14-10-10-3-7-1 context. - TimeoutResultAtElement [Line: 64]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 216 with TraceHistMax 40,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-370-12-14-10-10-3-7-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 35 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 845.7s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 20, EmptinessCheckTime: 474.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3384, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 312.3s InterpolantComputationTime, 4385 NumberOfCodeBlocks, 4385 NumberOfCodeBlocksAsserted, 237 NumberOfCheckSat, 6468 ConstructedInterpolants, 121 QuantifiedInterpolants, 479332 SizeOfPredicates, 60 NumberOfNonLiveVariables, 4716 ConjunctsInSsa, 1835 ConjunctsInUnsatCore, 65 InterpolantComputations, 4 PerfectInterpolantSequences, 2054/28752 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 1131, ConditionCalculationTime [ms]: 1062, ConditionCalculations: 192, QuantifiedConditions: 0, TraceChecks: 28, UnknownTraceChecks: 0, UnsatisfiedConditions: 28, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown