/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-bad/dot-product.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-ebd4107-m [2025-01-22 21:10:56,046 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-22 21:10:56,105 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 21:10:56,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-22 21:10:56,113 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-22 21:10:56,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-22 21:10:56,132 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-22 21:10:56,132 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-22 21:10:56,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-22 21:10:56,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-22 21:10:56,132 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-22 21:10:56,132 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-22 21:10:56,132 INFO L153 SettingsManager]: * Use SBE=true [2025-01-22 21:10:56,133 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-22 21:10:56,133 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-22 21:10:56,133 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 21:10:56,134 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-01-22 21:10:56,134 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-01-22 21:10:56,144 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-01-22 21:10:56,145 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 21:10:56,430 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-22 21:10:56,435 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-22 21:10:56,437 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-22 21:10:56,438 INFO L270 PluginConnector]: Initializing Boogie PL CUP Parser... [2025-01-22 21:10:56,438 INFO L274 PluginConnector]: Boogie PL CUP Parser initialized [2025-01-22 21:10:56,439 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product.wvr.bpl [2025-01-22 21:10:56,439 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/dot-product.wvr.bpl' [2025-01-22 21:10:56,458 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-22 21:10:56,459 INFO L133 ToolchainWalker]: Walking toolchain with 4 elements. [2025-01-22 21:10:56,460 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-22 21:10:56,460 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-22 21:10:56,460 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-22 21:10:56,468 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,476 INFO L138 Inliner]: procedures = 4, calls = 3, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2025-01-22 21:10:56,477 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-22 21:10:56,478 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-22 21:10:56,478 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-22 21:10:56,478 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-22 21:10:56,482 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,482 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,483 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,483 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,484 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,484 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,488 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,490 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-22 21:10:56,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-22 21:10:56,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-22 21:10:56,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-22 21:10:56,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/1) ... [2025-01-22 21:10:56,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-01-22 21:10:56,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:10:56,520 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 21:10:56,525 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 21:10:56,543 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2025-01-22 21:10:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-01-22 21:10:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-01-22 21:10:56,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2025-01-22 21:10:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-01-22 21:10:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-01-22 21:10:56,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2025-01-22 21:10:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-22 21:10:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-22 21:10:56,544 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2025-01-22 21:10:56,544 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-01-22 21:10:56,544 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-01-22 21:10:56,545 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 21:10:56,584 INFO L234 CfgBuilder]: Building ICFG [2025-01-22 21:10:56,586 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-22 21:10:56,671 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-01-22 21:10:56,671 INFO L283 CfgBuilder]: Performing block encoding [2025-01-22 21:10:56,698 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-22 21:10:56,698 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-01-22 21:10:56,699 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 09:10:56 BoogieIcfgContainer [2025-01-22 21:10:56,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-22 21:10:56,700 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-22 21:10:56,700 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-22 21:10:56,704 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-22 21:10:56,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 22.01 09:10:56" (1/2) ... [2025-01-22 21:10:56,704 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c8060be and model type dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.01 09:10:56, skipping insertion in model container [2025-01-22 21:10:56,704 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.01 09:10:56" (2/2) ... [2025-01-22 21:10:56,705 INFO L128 eAbstractionObserver]: Analyzing ICFG dot-product.wvr.bpl [2025-01-22 21:10:56,714 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-22 21:10:56,715 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dot-product.wvr.bpl that has 4 procedures, 20 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-01-22 21:10:56,715 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-01-22 21:10:56,743 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2025-01-22 21:10:56,768 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 21:10:56,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-01-22 21:10:56,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:10:56,770 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 21:10:56,771 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 21:10:56,814 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-01-22 21:10:56,828 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-01-22 21:10:56,834 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;@746a625b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-22 21:10:56,834 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-01-22 21:10:57,013 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 21:10:57,013 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:10:57,013 INFO L139 ounterexampleChecker]: Examining path program with hash 161257004, occurence #1 [2025-01-22 21:10:57,013 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:10:57,013 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:10:57,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:10:57,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1083747277, now seen corresponding path program 1 times [2025-01-22 21:10:57,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:10:57,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655458110] [2025-01-22 21:10:57,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:10:57,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:10:57,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-01-22 21:10:57,076 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-01-22 21:10:57,076 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:57,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:57,172 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 21:10:57,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:10:57,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655458110] [2025-01-22 21:10:57,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [655458110] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 21:10:57,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 21:10:57,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-22 21:10:57,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1708836025] [2025-01-22 21:10:57,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 21:10:57,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-22 21:10:57,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:10:57,192 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-22 21:10:57,193 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-22 21:10:57,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,194 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:10:57,196 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) 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 21:10:57,196 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:10:57,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-01-22 21:10:57,246 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 21:10:57,246 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:10:57,246 INFO L139 ounterexampleChecker]: Examining path program with hash -697303927, occurence #1 [2025-01-22 21:10:57,246 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:10:57,246 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:10:57,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:10:57,247 INFO L85 PathProgramCache]: Analyzing trace with hash 627317353, now seen corresponding path program 1 times [2025-01-22 21:10:57,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:10:57,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900258150] [2025-01-22 21:10:57,247 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:10:57,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:10:57,252 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-01-22 21:10:57,261 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-01-22 21:10:57,261 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:57,261 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:57,320 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 21:10:57,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:10:57,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900258150] [2025-01-22 21:10:57,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900258150] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 21:10:57,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 21:10:57,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 21:10:57,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374467667] [2025-01-22 21:10:57,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 21:10:57,322 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 21:10:57,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:10:57,322 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 21:10:57,322 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 21:10:57,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,322 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:10:57,323 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 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 21:10:57,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:10:57,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:10:57,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-22 21:10:57,352 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 21:10:57,352 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:10:57,352 INFO L139 ounterexampleChecker]: Examining path program with hash -697303927, occurence #2 [2025-01-22 21:10:57,352 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:10:57,353 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-01-22 21:10:57,353 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:10:57,353 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-01-22 21:10:57,353 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:10:57,353 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-01-22 21:10:57,353 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:10:57,353 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-01-22 21:10:57,353 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:10:57,354 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:10:57,354 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:10:57,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:10:57,354 INFO L85 PathProgramCache]: Analyzing trace with hash -1124799557, now seen corresponding path program 1 times [2025-01-22 21:10:57,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:10:57,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958607099] [2025-01-22 21:10:57,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:10:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:10:57,357 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-01-22 21:10:57,364 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-01-22 21:10:57,364 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:57,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:57,409 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 21:10:57,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:10:57,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958607099] [2025-01-22 21:10:57,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958607099] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 21:10:57,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 21:10:57,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-01-22 21:10:57,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836926978] [2025-01-22 21:10:57,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 21:10:57,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-01-22 21:10:57,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:10:57,411 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-01-22 21:10:57,411 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-01-22 21:10:57,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,411 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:10:57,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 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 21:10:57,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-01-22 21:10:57,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:10:57,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-22 21:10:57,506 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 21:10:57,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:10:57,506 INFO L139 ounterexampleChecker]: Examining path program with hash 572506494, occurence #1 [2025-01-22 21:10:57,506 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:10:57,506 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:10:57,506 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:10:57,506 INFO L85 PathProgramCache]: Analyzing trace with hash -407413140, now seen corresponding path program 1 times [2025-01-22 21:10:57,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:10:57,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508251401] [2025-01-22 21:10:57,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:10:57,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:10:57,513 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-22 21:10:57,518 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-22 21:10:57,518 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:57,518 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:57,623 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 21:10:57,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:10:57,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508251401] [2025-01-22 21:10:57,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508251401] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:10:57,623 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1432278939] [2025-01-22 21:10:57,623 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:10:57,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:10:57,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:10:57,625 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 21:10:57,627 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 21:10:57,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-22 21:10:57,662 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-22 21:10:57,662 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:57,662 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:57,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-01-22 21:10:57,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:10:57,723 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 21:10:57,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:10:57,775 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 21:10:57,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1432278939] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:10:57,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:10:57,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2025-01-22 21:10:57,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701330640] [2025-01-22 21:10:57,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:10:57,776 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 21:10:57,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:10:57,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 21:10:57,776 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-01-22 21:10:57,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,776 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:10:57,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.625) internal successors, (37), 7 states have internal predecessors, (37), 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 21:10:57,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:10:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:57,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:10:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:57,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:10:57,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-01-22 21:10:58,075 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 21:10:58,075 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 21:10:58,075 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:10:58,075 INFO L139 ounterexampleChecker]: Examining path program with hash 572506494, occurence #2 [2025-01-22 21:10:58,075 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:10:58,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-01-22 21:10:58,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:10:58,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-01-22 21:10:58,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:10:58,076 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:10:58,076 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:10:58,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:10:58,077 INFO L85 PathProgramCache]: Analyzing trace with hash 814177739, now seen corresponding path program 2 times [2025-01-22 21:10:58,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:10:58,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051045590] [2025-01-22 21:10:58,077 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:10:58,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:10:58,085 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-01-22 21:10:58,100 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-01-22 21:10:58,100 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:10:58,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:10:58,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:10:58,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051045590] [2025-01-22 21:10:58,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1051045590] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:10:58,231 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1361183234] [2025-01-22 21:10:58,231 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:10:58,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:10:58,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:10:58,234 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 21:10:58,239 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 21:10:58,258 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 31 statements into 2 equivalence classes. [2025-01-22 21:10:58,271 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 31 of 31 statements. [2025-01-22 21:10:58,271 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:10:58,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:58,272 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-22 21:10:58,273 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:10:58,370 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:10:58,370 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:10:58,534 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:10:58,535 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1361183234] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:10:58,535 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:10:58,535 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2025-01-22 21:10:58,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124527517] [2025-01-22 21:10:58,535 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:10:58,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-22 21:10:58,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:10:58,536 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-22 21:10:58,536 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2025-01-22 21:10:58,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:58,536 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:10:58,536 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 3.473684210526316) internal successors, (66), 18 states have internal predecessors, (66), 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 21:10:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:10:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:10:58,536 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:59,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:10:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:10:59,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2025-01-22 21:10:59,117 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-22 21:10:59,306 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 21:10:59,307 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 21:10:59,307 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:10:59,307 INFO L139 ounterexampleChecker]: Examining path program with hash -1161619187, occurence #1 [2025-01-22 21:10:59,308 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:10:59,308 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:10:59,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:10:59,309 INFO L85 PathProgramCache]: Analyzing trace with hash 1186172975, now seen corresponding path program 1 times [2025-01-22 21:10:59,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:10:59,309 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424235389] [2025-01-22 21:10:59,309 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:10:59,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:10:59,315 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-22 21:10:59,323 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-22 21:10:59,323 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:59,323 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-22 21:10:59,464 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:10:59,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424235389] [2025-01-22 21:10:59,464 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424235389] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:10:59,464 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654330693] [2025-01-22 21:10:59,464 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:10:59,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:10:59,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:10:59,466 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 21:10:59,470 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 21:10:59,493 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-22 21:10:59,504 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-22 21:10:59,504 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:10:59,504 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:10:59,506 INFO L256 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-22 21:10:59,507 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:10:59,647 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-22 21:10:59,647 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:10:59,856 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-01-22 21:10:59,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654330693] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:10:59,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:10:59,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 12] total 25 [2025-01-22 21:10:59,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040127295] [2025-01-22 21:10:59,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:10:59,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-01-22 21:10:59,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:10:59,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-01-22 21:10:59,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=507, Unknown=0, NotChecked=0, Total=650 [2025-01-22 21:10:59,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:10:59,858 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:10:59,858 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 3.076923076923077) internal successors, (80), 25 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:10:59,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:10:59,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:59,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:10:59,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:10:59,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2025-01-22 21:10:59,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:00,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-22 21:11:00,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2025-01-22 21:11:00,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-01-22 21:11:01,092 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 21:11:01,093 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 21:11:01,093 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:01,093 INFO L139 ounterexampleChecker]: Examining path program with hash -997198347, occurence #1 [2025-01-22 21:11:01,093 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:11:01,093 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:01,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:01,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1918863589, now seen corresponding path program 1 times [2025-01-22 21:11:01,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:01,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027656983] [2025-01-22 21:11:01,094 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:11:01,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:01,102 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-22 21:11:01,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-22 21:11:01,109 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:11:01,109 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:01,304 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2025-01-22 21:11:01,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027656983] [2025-01-22 21:11:01,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027656983] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:01,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720095153] [2025-01-22 21:11:01,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:11:01,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:01,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:01,310 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 21:11:01,312 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 21:11:01,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 49 statements into 1 equivalence classes. [2025-01-22 21:11:01,352 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 49 of 49 statements. [2025-01-22 21:11:01,353 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:11:01,353 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:01,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-01-22 21:11:01,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:01,519 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 21:11:01,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:01,761 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 24 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-01-22 21:11:01,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720095153] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:01,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:01,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 13] total 24 [2025-01-22 21:11:01,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16697026] [2025-01-22 21:11:01,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:01,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-22 21:11:01,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:01,763 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-22 21:11:01,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=437, Unknown=0, NotChecked=0, Total=600 [2025-01-22 21:11:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:01,763 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:01,763 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 3.36) internal successors, (84), 24 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:11:01,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:01,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:01,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:01,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:01,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-22 21:11:01,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2025-01-22 21:11:01,763 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:02,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-22 21:11:02,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:02,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-01-22 21:11:02,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-01-22 21:11:02,857 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 21:11:02,857 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 21:11:02,857 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:02,857 INFO L139 ounterexampleChecker]: Examining path program with hash -222162831, occurence #1 [2025-01-22 21:11:02,857 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:11:02,857 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:02,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:02,858 INFO L85 PathProgramCache]: Analyzing trace with hash 1357287581, now seen corresponding path program 2 times [2025-01-22 21:11:02,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:02,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957788425] [2025-01-22 21:11:02,858 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:11:02,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:02,861 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-01-22 21:11:02,869 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-01-22 21:11:02,869 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:11:02,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-22 21:11:03,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:03,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957788425] [2025-01-22 21:11:03,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957788425] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:03,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1246717045] [2025-01-22 21:11:03,036 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:11:03,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:03,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:03,040 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 21:11:03,045 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 21:11:03,067 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-01-22 21:11:03,084 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-01-22 21:11:03,084 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:11:03,084 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:03,085 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-01-22 21:11:03,089 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:03,268 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-01-22 21:11:03,268 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:03,544 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:11:03,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1246717045] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:03,545 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:03,546 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 18] total 32 [2025-01-22 21:11:03,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032814255] [2025-01-22 21:11:03,546 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:03,547 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-01-22 21:11:03,547 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:03,550 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-01-22 21:11:03,551 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=875, Unknown=0, NotChecked=0, Total=1056 [2025-01-22 21:11:03,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:03,551 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:03,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.0) internal successors, (99), 32 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-01-22 21:11:03,551 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:04,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2025-01-22 21:11:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-22 21:11:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-22 21:11:04,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-22 21:11:04,918 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-01-22 21:11:05,113 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:05,113 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 21:11:05,114 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:05,114 INFO L139 ounterexampleChecker]: Examining path program with hash -997198347, occurence #2 [2025-01-22 21:11:05,114 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:05,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-01-22 21:11:05,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:05,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-01-22 21:11:05,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:05,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 50 [2025-01-22 21:11:05,114 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:05,114 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-01-22 21:11:05,114 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:05,114 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:05,114 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:05,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:05,115 INFO L85 PathProgramCache]: Analyzing trace with hash 673599927, now seen corresponding path program 3 times [2025-01-22 21:11:05,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:05,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236687658] [2025-01-22 21:11:05,115 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:11:05,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:05,119 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 55 statements into 5 equivalence classes. [2025-01-22 21:11:05,139 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 43 of 55 statements. [2025-01-22 21:11:05,140 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 21:11:05,140 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:05,334 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2025-01-22 21:11:05,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:05,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [236687658] [2025-01-22 21:11:05,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [236687658] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:05,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [453406622] [2025-01-22 21:11:05,335 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:11:05,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:05,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:05,338 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 21:11:05,350 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 21:11:05,372 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 55 statements into 5 equivalence classes. [2025-01-22 21:11:05,387 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 43 of 55 statements. [2025-01-22 21:11:05,387 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-22 21:11:05,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:05,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-22 21:11:05,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:05,518 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2025-01-22 21:11:05,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2025-01-22 21:11:05,523 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-01-22 21:11:05,523 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:05,587 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:11:05,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2025-01-22 21:11:05,620 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2025-01-22 21:11:05,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [453406622] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:05,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:05,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 16 [2025-01-22 21:11:05,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750772978] [2025-01-22 21:11:05,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:05,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-01-22 21:11:05,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:05,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-01-22 21:11:05,621 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2025-01-22 21:11:05,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:05,621 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:05,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.5) internal successors, (56), 16 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:11:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2025-01-22 21:11:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-01-22 21:11:05,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-22 21:11:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-22 21:11:05,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-22 21:11:06,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:06,307 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 21:11:06,505 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:06,505 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 21:11:06,505 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:06,505 INFO L139 ounterexampleChecker]: Examining path program with hash 884055664, occurence #1 [2025-01-22 21:11:06,505 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:11:06,505 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:06,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:06,506 INFO L85 PathProgramCache]: Analyzing trace with hash -710900913, now seen corresponding path program 4 times [2025-01-22 21:11:06,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:06,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31795626] [2025-01-22 21:11:06,506 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:11:06,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:06,510 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 90 statements into 2 equivalence classes. [2025-01-22 21:11:06,522 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-22 21:11:06,523 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:11:06,523 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:06,880 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 13 proven. 125 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-22 21:11:06,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:06,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31795626] [2025-01-22 21:11:06,880 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31795626] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:06,880 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [387141819] [2025-01-22 21:11:06,880 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:11:06,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:06,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:06,883 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 21:11:06,890 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 21:11:06,914 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 90 statements into 2 equivalence classes. [2025-01-22 21:11:06,936 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-01-22 21:11:06,936 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:11:06,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:06,938 INFO L256 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-22 21:11:06,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 24 proven. 114 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-22 21:11:07,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:07,521 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 44 proven. 94 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2025-01-22 21:11:07,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [387141819] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:07,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:07,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 15] total 32 [2025-01-22 21:11:07,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575492084] [2025-01-22 21:11:07,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:07,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2025-01-22 21:11:07,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:07,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2025-01-22 21:11:07,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=817, Unknown=0, NotChecked=0, Total=1056 [2025-01-22 21:11:07,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:07,523 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:07,523 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 3.4545454545454546) internal successors, (114), 32 states have internal predecessors, (114), 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 21:11:07,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:07,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:07,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:08,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 21:11:08,933 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 21:11:09,128 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:09,128 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 21:11:09,128 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:09,129 INFO L139 ounterexampleChecker]: Examining path program with hash 884055664, occurence #2 [2025-01-22 21:11:09,129 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:09,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-01-22 21:11:09,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:09,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-01-22 21:11:09,129 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:09,129 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-01-22 21:11:09,129 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:09,129 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:09,129 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:09,129 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:09,130 INFO L85 PathProgramCache]: Analyzing trace with hash 86531708, now seen corresponding path program 5 times [2025-01-22 21:11:09,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:09,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585507986] [2025-01-22 21:11:09,130 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:11:09,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:09,139 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 122 statements into 13 equivalence classes. [2025-01-22 21:11:09,243 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 122 of 122 statements. [2025-01-22 21:11:09,243 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-01-22 21:11:09,243 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:09,761 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 25 proven. 370 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-22 21:11:09,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:09,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585507986] [2025-01-22 21:11:09,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585507986] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:09,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899198324] [2025-01-22 21:11:09,761 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:11:09,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:09,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:09,765 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 21:11:09,769 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 21:11:09,800 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 122 statements into 13 equivalence classes. [2025-01-22 21:11:09,840 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) and asserted 122 of 122 statements. [2025-01-22 21:11:09,840 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2025-01-22 21:11:09,840 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:09,842 INFO L256 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-01-22 21:11:09,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:10,114 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 25 proven. 370 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-22 21:11:10,114 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:10,655 INFO L134 CoverageAnalysis]: Checked inductivity of 461 backedges. 45 proven. 350 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-01-22 21:11:10,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899198324] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:10,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:10,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15, 16] total 28 [2025-01-22 21:11:10,656 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069294843] [2025-01-22 21:11:10,656 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:10,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-22 21:11:10,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:10,657 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-22 21:11:10,657 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=208, Invalid=604, Unknown=0, NotChecked=0, Total=812 [2025-01-22 21:11:10,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:10,657 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:10,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.689655172413793) internal successors, (107), 28 states have internal predecessors, (107), 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 21:11:10,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:10,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:10,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:10,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:10,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:10,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-22 21:11:10,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:10,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:10,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:10,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 21:11:10,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:11,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-22 21:11:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:11,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2025-01-22 21:11:11,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:11:11,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-01-22 21:11:11,743 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:11,743 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 21:11:11,743 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:11,743 INFO L139 ounterexampleChecker]: Examining path program with hash 1531250252, occurence #1 [2025-01-22 21:11:11,743 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:11:11,743 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:11,744 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:11,744 INFO L85 PathProgramCache]: Analyzing trace with hash -500429158, now seen corresponding path program 6 times [2025-01-22 21:11:11,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:11,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225101826] [2025-01-22 21:11:11,744 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 21:11:11,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:11,750 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 120 statements into 13 equivalence classes. [2025-01-22 21:11:11,761 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 52 of 120 statements. [2025-01-22 21:11:11,762 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-01-22 21:11:11,762 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:11,927 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-01-22 21:11:11,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:11,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225101826] [2025-01-22 21:11:11,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225101826] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-22 21:11:11,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-22 21:11:11,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-22 21:11:11,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28478147] [2025-01-22 21:11:11,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-22 21:11:11,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-22 21:11:11,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:11,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-22 21:11:11,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-01-22 21:11:11,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:11,928 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:11,928 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.0) internal successors, (24), 8 states have internal predecessors, (24), 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 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:11:11,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-01-22 21:11:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2025-01-22 21:11:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:12,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2025-01-22 21:11:12,157 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 21:11:12,157 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:12,157 INFO L139 ounterexampleChecker]: Examining path program with hash 1531250252, occurence #2 [2025-01-22 21:11:12,157 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:12,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-01-22 21:11:12,157 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:12,157 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-01-22 21:11:12,157 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:12,157 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:12,157 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:12,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:12,157 INFO L85 PathProgramCache]: Analyzing trace with hash 1545501003, now seen corresponding path program 7 times [2025-01-22 21:11:12,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:12,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768967861] [2025-01-22 21:11:12,158 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:11:12,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:12,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-22 21:11:12,206 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-22 21:11:12,206 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:11:12,206 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:12,982 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 323 proven. 127 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2025-01-22 21:11:12,982 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:12,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768967861] [2025-01-22 21:11:12,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768967861] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:12,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019230594] [2025-01-22 21:11:12,983 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:11:12,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:12,983 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:12,985 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 21:11:12,986 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 21:11:13,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 124 statements into 1 equivalence classes. [2025-01-22 21:11:13,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 124 of 124 statements. [2025-01-22 21:11:13,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:11:13,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:13,050 INFO L256 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 105 conjuncts are in the unsatisfiable core [2025-01-22 21:11:13,053 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:13,542 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 66 proven. 374 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-22 21:11:13,542 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:13,565 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:11:13,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 17 [2025-01-22 21:11:14,006 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 66 proven. 374 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-22 21:11:14,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1019230594] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:14,006 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:14,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 21] total 57 [2025-01-22 21:11:14,007 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233706142] [2025-01-22 21:11:14,007 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:14,007 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2025-01-22 21:11:14,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:14,010 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2025-01-22 21:11:14,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=2975, Unknown=0, NotChecked=0, Total=3306 [2025-01-22 21:11:14,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:14,011 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:14,012 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 2.9655172413793105) internal successors, (172), 57 states have internal predecessors, (172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:14,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:17,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:17,391 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 21:11:17,589 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-01-22 21:11:17,589 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 21:11:17,589 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:17,589 INFO L139 ounterexampleChecker]: Examining path program with hash 1570608795, occurence #1 [2025-01-22 21:11:17,589 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:11:17,589 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:17,590 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:17,590 INFO L85 PathProgramCache]: Analyzing trace with hash -2144700108, now seen corresponding path program 1 times [2025-01-22 21:11:17,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:17,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686738112] [2025-01-22 21:11:17,590 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:11:17,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:17,595 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-22 21:11:17,609 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-22 21:11:17,609 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:11:17,609 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:18,271 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 200 proven. 87 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 21:11:18,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:18,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686738112] [2025-01-22 21:11:18,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686738112] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:18,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517304129] [2025-01-22 21:11:18,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-22 21:11:18,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:18,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:18,275 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 21:11:18,280 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 21:11:18,305 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 137 statements into 1 equivalence classes. [2025-01-22 21:11:18,337 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 137 of 137 statements. [2025-01-22 21:11:18,338 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:11:18,338 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:18,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 62 conjuncts are in the unsatisfiable core [2025-01-22 21:11:18,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:19,226 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 229 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 21:11:19,226 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:20,258 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 131 proven. 156 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-01-22 21:11:20,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517304129] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:20,258 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:20,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 40, 47] total 105 [2025-01-22 21:11:20,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550442913] [2025-01-22 21:11:20,259 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:20,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-01-22 21:11:20,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:20,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-01-22 21:11:20,262 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2700, Invalid=8430, Unknown=0, NotChecked=0, Total=11130 [2025-01-22 21:11:20,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:20,262 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:20,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 3.3207547169811322) internal successors, (352), 105 states have internal predecessors, (352), 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 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:20,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2025-01-22 21:11:27,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-01-22 21:11:27,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-01-22 21:11:27,457 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 21:11:27,457 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:27,457 INFO L139 ounterexampleChecker]: Examining path program with hash 1531250252, occurence #3 [2025-01-22 21:11:27,457 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:27,457 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 233 [2025-01-22 21:11:27,458 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:27,458 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-01-22 21:11:27,458 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:27,458 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:27,458 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:27,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:27,458 INFO L85 PathProgramCache]: Analyzing trace with hash 904107585, now seen corresponding path program 8 times [2025-01-22 21:11:27,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:27,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472511694] [2025-01-22 21:11:27,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:11:27,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:27,466 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 236 statements into 2 equivalence classes. [2025-01-22 21:11:27,505 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 236 of 236 statements. [2025-01-22 21:11:27,505 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:11:27,505 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:29,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1872 backedges. 602 proven. 914 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2025-01-22 21:11:29,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:29,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1472511694] [2025-01-22 21:11:29,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1472511694] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:29,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266843442] [2025-01-22 21:11:29,122 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:11:29,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:29,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:29,124 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 21:11:29,125 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 21:11:29,174 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 236 statements into 2 equivalence classes. [2025-01-22 21:11:29,231 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 236 of 236 statements. [2025-01-22 21:11:29,231 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:11:29,231 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:29,234 INFO L256 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 110 conjuncts are in the unsatisfiable core [2025-01-22 21:11:29,237 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:30,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1872 backedges. 660 proven. 860 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2025-01-22 21:11:30,100 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:31,082 INFO L134 CoverageAnalysis]: Checked inductivity of 1872 backedges. 752 proven. 768 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2025-01-22 21:11:31,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266843442] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:31,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:31,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 40, 41] total 99 [2025-01-22 21:11:31,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593902206] [2025-01-22 21:11:31,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:31,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2025-01-22 21:11:31,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:31,084 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2025-01-22 21:11:31,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3117, Invalid=6783, Unknown=0, NotChecked=0, Total=9900 [2025-01-22 21:11:31,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:31,088 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:31,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.65) internal successors, (365), 99 states have internal predecessors, (365), 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 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2025-01-22 21:11:31,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:35,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-01-22 21:11:35,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2025-01-22 21:11:35,768 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 21:11:35,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-01-22 21:11:35,962 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 21:11:35,962 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:35,962 INFO L139 ounterexampleChecker]: Examining path program with hash -997198347, occurence #3 [2025-01-22 21:11:35,962 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:35,962 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-01-22 21:11:35,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:35,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-22 21:11:35,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:35,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-01-22 21:11:35,963 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:35,963 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 262 [2025-01-22 21:11:35,963 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:35,963 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:35,963 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:35,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:35,963 INFO L85 PathProgramCache]: Analyzing trace with hash 1212928933, now seen corresponding path program 9 times [2025-01-22 21:11:35,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:35,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954230348] [2025-01-22 21:11:35,963 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:11:35,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:35,976 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 264 statements into 27 equivalence classes. [2025-01-22 21:11:36,005 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 84 of 264 statements. [2025-01-22 21:11:36,006 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-22 21:11:36,006 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 301 proven. 14 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2025-01-22 21:11:36,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:36,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954230348] [2025-01-22 21:11:36,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954230348] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:36,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914189527] [2025-01-22 21:11:36,165 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:11:36,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:36,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:36,166 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 21:11:36,168 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 21:11:36,201 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 264 statements into 27 equivalence classes. [2025-01-22 21:11:36,224 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) and asserted 84 of 264 statements. [2025-01-22 21:11:36,224 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2025-01-22 21:11:36,224 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:36,225 INFO L256 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-22 21:11:36,227 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:36,285 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2025-01-22 21:11:36,285 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 13 [2025-01-22 21:11:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 301 proven. 14 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2025-01-22 21:11:36,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:36,448 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 13 treesize of output 9 [2025-01-22 21:11:36,454 INFO L134 CoverageAnalysis]: Checked inductivity of 2339 backedges. 301 proven. 14 refuted. 0 times theorem prover too weak. 2024 trivial. 0 not checked. [2025-01-22 21:11:36,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914189527] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:36,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:36,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 24 [2025-01-22 21:11:36,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501410695] [2025-01-22 21:11:36,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:36,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2025-01-22 21:11:36,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:36,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2025-01-22 21:11:36,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2025-01-22 21:11:36,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:36,456 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:36,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 2.0833333333333335) internal successors, (50), 24 states have internal predecessors, (50), 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 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 186 states. [2025-01-22 21:11:36,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:37,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 229 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2025-01-22 21:11:37,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:37,942 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 21:11:38,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-22 21:11:38,137 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 21:11:38,137 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:38,137 INFO L139 ounterexampleChecker]: Examining path program with hash -997198347, occurence #4 [2025-01-22 21:11:38,137 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:38,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2025-01-22 21:11:38,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:38,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-22 21:11:38,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:38,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-01-22 21:11:38,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:38,137 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-22 21:11:38,137 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:38,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-01-22 21:11:38,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:38,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-22 21:11:38,138 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:38,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 196 [2025-01-22 21:11:38,138 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:38,138 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:38,138 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:38,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:38,138 INFO L85 PathProgramCache]: Analyzing trace with hash -1206460410, now seen corresponding path program 10 times [2025-01-22 21:11:38,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:38,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939647707] [2025-01-22 21:11:38,138 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:11:38,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:38,145 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 198 statements into 2 equivalence classes. [2025-01-22 21:11:38,165 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-01-22 21:11:38,165 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:11:38,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:39,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 602 proven. 386 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-22 21:11:39,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:39,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939647707] [2025-01-22 21:11:39,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939647707] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:39,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828946762] [2025-01-22 21:11:39,178 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:11:39,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:39,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:39,179 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 21:11:39,181 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 21:11:39,207 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 198 statements into 2 equivalence classes. [2025-01-22 21:11:39,248 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 198 of 198 statements. [2025-01-22 21:11:39,248 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:11:39,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:39,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 605 conjuncts, 95 conjuncts are in the unsatisfiable core [2025-01-22 21:11:39,253 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:40,239 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 660 proven. 328 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-22 21:11:40,239 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1318 backedges. 752 proven. 236 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-22 21:11:41,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1828946762] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:41,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:41,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 42, 43] total 102 [2025-01-22 21:11:41,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584099169] [2025-01-22 21:11:41,406 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:41,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2025-01-22 21:11:41,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:41,408 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2025-01-22 21:11:41,410 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3024, Invalid=7482, Unknown=0, NotChecked=0, Total=10506 [2025-01-22 21:11:41,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:41,410 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:41,410 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 3.349514563106796) internal successors, (345), 102 states have internal predecessors, (345), 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 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:41,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:11:41,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:41,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:41,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:41,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 229 states. [2025-01-22 21:11:41,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 191 states. [2025-01-22 21:11:41,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:41,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:46,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 207 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:46,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2025-01-22 21:11:46,869 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-22 21:11:47,067 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,SelfDestructingSolverStorable16 [2025-01-22 21:11:47,067 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 21:11:47,067 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:47,067 INFO L139 ounterexampleChecker]: Examining path program with hash -997198347, occurence #5 [2025-01-22 21:11:47,067 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:47,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2025-01-22 21:11:47,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-22 21:11:47,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-01-22 21:11:47,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,067 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-22 21:11:47,067 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-22 21:11:47,068 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:47,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-01-22 21:11:47,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:47,068 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:47,068 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:47,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:47,069 INFO L85 PathProgramCache]: Analyzing trace with hash -1190110450, now seen corresponding path program 11 times [2025-01-22 21:11:47,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:47,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892026182] [2025-01-22 21:11:47,069 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:11:47,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:47,074 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 214 statements into 18 equivalence classes. [2025-01-22 21:11:47,268 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) and asserted 214 of 214 statements. [2025-01-22 21:11:47,268 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2025-01-22 21:11:47,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:48,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 574 proven. 544 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2025-01-22 21:11:48,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:48,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [892026182] [2025-01-22 21:11:48,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [892026182] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:48,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078274926] [2025-01-22 21:11:48,376 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:11:48,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:48,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:48,378 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 21:11:48,379 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 21:11:48,404 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 214 statements into 18 equivalence classes. [2025-01-22 21:11:48,458 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) and asserted 214 of 214 statements. [2025-01-22 21:11:48,458 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 18 check-sat command(s) [2025-01-22 21:11:48,459 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:48,465 INFO L256 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 103 conjuncts are in the unsatisfiable core [2025-01-22 21:11:48,468 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:49,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 660 proven. 464 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-22 21:11:49,533 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:50,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1454 backedges. 752 proven. 372 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2025-01-22 21:11:50,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078274926] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:50,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:50,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 50, 51] total 100 [2025-01-22 21:11:50,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434092938] [2025-01-22 21:11:50,949 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:50,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2025-01-22 21:11:50,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:50,951 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2025-01-22 21:11:50,953 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2390, Invalid=7710, Unknown=0, NotChecked=0, Total=10100 [2025-01-22 21:11:50,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:50,953 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:50,953 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.396039603960396) internal successors, (343), 100 states have internal predecessors, (343), 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 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:50,953 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 243 states. [2025-01-22 21:11:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 207 states. [2025-01-22 21:11:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2025-01-22 21:11:50,954 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 211 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2025-01-22 21:11:54,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2025-01-22 21:11:54,721 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 21:11:54,915 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,SelfDestructingSolverStorable17 [2025-01-22 21:11:54,915 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 21:11:54,915 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:54,915 INFO L139 ounterexampleChecker]: Examining path program with hash -997198347, occurence #6 [2025-01-22 21:11:54,915 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:54,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 183 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 187 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 189 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 191 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 209 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 211 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 213 [2025-01-22 21:11:54,916 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:54,916 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-01-22 21:11:54,916 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:54,917 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:54,917 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:54,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:54,917 INFO L85 PathProgramCache]: Analyzing trace with hash 1782341456, now seen corresponding path program 12 times [2025-01-22 21:11:54,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:54,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302282391] [2025-01-22 21:11:54,917 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 21:11:54,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:54,922 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 218 statements into 18 equivalence classes. [2025-01-22 21:11:55,064 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 174 of 218 statements. [2025-01-22 21:11:55,064 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-22 21:11:55,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:55,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 210 proven. 124 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2025-01-22 21:11:55,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:11:55,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302282391] [2025-01-22 21:11:55,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302282391] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:11:55,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489110088] [2025-01-22 21:11:55,423 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-01-22 21:11:55,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:55,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:11:55,425 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 21:11:55,432 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 21:11:55,462 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 218 statements into 18 equivalence classes. [2025-01-22 21:11:55,507 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) and asserted 174 of 218 statements. [2025-01-22 21:11:55,508 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2025-01-22 21:11:55,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:11:55,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 533 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-22 21:11:55,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:11:55,621 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2025-01-22 21:11:55,621 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 13 [2025-01-22 21:11:55,640 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 221 proven. 113 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2025-01-22 21:11:55,641 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:11:55,767 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 13 treesize of output 9 [2025-01-22 21:11:55,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1508 backedges. 210 proven. 124 refuted. 0 times theorem prover too weak. 1174 trivial. 0 not checked. [2025-01-22 21:11:55,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489110088] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:11:55,772 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:11:55,772 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 22 [2025-01-22 21:11:55,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311328874] [2025-01-22 21:11:55,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:11:55,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-01-22 21:11:55,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:11:55,773 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-01-22 21:11:55,773 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2025-01-22 21:11:55,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:55,773 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:11:55,773 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 2.772727272727273) internal successors, (61), 22 states have internal predecessors, (61), 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 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:55,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2025-01-22 21:11:55,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 211 states. [2025-01-22 21:11:55,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2025-01-22 21:11:55,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2025-01-22 21:11:55,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2025-01-22 21:11:55,774 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 247 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2025-01-22 21:11:57,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-22 21:11:57,300 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-01-22 21:11:57,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:11:57,494 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 21:11:57,494 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:11:57,494 INFO L139 ounterexampleChecker]: Examining path program with hash -997198347, occurence #7 [2025-01-22 21:11:57,494 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:11:57,494 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 247 [2025-01-22 21:11:57,494 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 249 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 253 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 255 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 257 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 259 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 261 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 263 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 265 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 267 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 269 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 271 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 273 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 275 [2025-01-22 21:11:57,495 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:11:57,495 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 278 [2025-01-22 21:11:57,495 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:11:57,495 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:11:57,495 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:11:57,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:11:57,496 INFO L85 PathProgramCache]: Analyzing trace with hash -105334757, now seen corresponding path program 13 times [2025-01-22 21:11:57,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:11:57,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754885387] [2025-01-22 21:11:57,496 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:11:57,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:11:57,507 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-01-22 21:11:57,698 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-01-22 21:11:57,698 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:11:57,698 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:12:00,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 641 proven. 1398 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2025-01-22 21:12:00,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:12:00,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754885387] [2025-01-22 21:12:00,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754885387] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:12:00,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026074585] [2025-01-22 21:12:00,678 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-01-22 21:12:00,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:12:00,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:12:00,680 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 21:12:00,681 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 21:12:00,711 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 280 statements into 1 equivalence classes. [2025-01-22 21:12:00,776 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 280 of 280 statements. [2025-01-22 21:12:00,777 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-22 21:12:00,777 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:12:00,781 INFO L256 TraceCheckSpWp]: Trace formula consists of 855 conjuncts, 185 conjuncts are in the unsatisfiable core [2025-01-22 21:12:00,789 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:12:03,133 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 566 proven. 1274 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2025-01-22 21:12:03,133 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:12:03,863 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2025-01-22 21:12:03,863 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 19 [2025-01-22 21:12:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 2382 backedges. 566 proven. 1274 refuted. 0 times theorem prover too weak. 542 trivial. 0 not checked. [2025-01-22 21:12:06,235 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026074585] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:12:06,236 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:12:06,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [70, 57, 58] total 163 [2025-01-22 21:12:06,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010549465] [2025-01-22 21:12:06,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:12:06,236 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2025-01-22 21:12:06,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:12:06,237 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2025-01-22 21:12:06,241 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1641, Invalid=25091, Unknown=0, NotChecked=0, Total=26732 [2025-01-22 21:12:06,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:12:06,241 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:12:06,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 3.0060975609756095) internal successors, (493), 163 states have internal predecessors, (493), 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 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:12:06,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 247 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 213 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-22 21:12:06,242 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:12:58,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 262 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 253 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 287 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 265 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2025-01-22 21:12:58,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 377 states. [2025-01-22 21:12:58,703 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 21:12:58,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,18 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:12:58,901 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 21:12:58,901 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:12:58,901 INFO L139 ounterexampleChecker]: Examining path program with hash -1584361026, occurence #1 [2025-01-22 21:12:58,901 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-01-22 21:12:58,901 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:12:58,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:12:58,901 INFO L85 PathProgramCache]: Analyzing trace with hash 1728194442, now seen corresponding path program 2 times [2025-01-22 21:12:58,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:12:58,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499618169] [2025-01-22 21:12:58,901 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:12:58,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:12:58,914 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 213 statements into 2 equivalence classes. [2025-01-22 21:12:58,953 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 213 of 213 statements. [2025-01-22 21:12:58,953 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:12:58,953 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:13:00,236 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 816 proven. 298 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-22 21:13:00,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:13:00,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499618169] [2025-01-22 21:13:00,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499618169] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:13:00,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591252258] [2025-01-22 21:13:00,237 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:13:00,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:13:00,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:13:00,239 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 21:13:00,240 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 21:13:00,268 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 213 statements into 2 equivalence classes. [2025-01-22 21:13:00,314 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 213 of 213 statements. [2025-01-22 21:13:00,314 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:13:00,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:13:00,321 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 103 conjuncts are in the unsatisfiable core [2025-01-22 21:13:00,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:13:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 884 proven. 230 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-01-22 21:13:01,594 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:13:03,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1478 backedges. 884 proven. 594 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-01-22 21:13:03,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591252258] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:13:03,896 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:13:03,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 56, 85] total 154 [2025-01-22 21:13:03,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388999884] [2025-01-22 21:13:03,897 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:13:03,897 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 155 states [2025-01-22 21:13:03,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:13:03,898 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2025-01-22 21:13:03,900 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4113, Invalid=19757, Unknown=0, NotChecked=0, Total=23870 [2025-01-22 21:13:03,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:13:03,900 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:13:03,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 155 states, 155 states have (on average 3.032258064516129) internal successors, (470), 154 states have internal predecessors, (470), 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 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 262 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 253 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 287 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 265 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 377 states. [2025-01-22 21:13:03,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 274 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2025-01-22 21:13:56,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2025-01-22 21:13:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2025-01-22 21:13:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-01-22 21:13:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 480 states. [2025-01-22 21:13:56,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 304 states. [2025-01-22 21:13:56,851 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-22 21:13:57,044 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:13:57,044 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 21:13:57,044 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:13:57,045 INFO L139 ounterexampleChecker]: Examining path program with hash 884055664, occurence #3 [2025-01-22 21:13:57,045 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 687 [2025-01-22 21:13:57,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 689 [2025-01-22 21:13:57,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 691 [2025-01-22 21:13:57,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 693 [2025-01-22 21:13:57,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 695 [2025-01-22 21:13:57,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 697 [2025-01-22 21:13:57,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 699 [2025-01-22 21:13:57,045 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,045 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 701 [2025-01-22 21:13:57,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 703 [2025-01-22 21:13:57,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 705 [2025-01-22 21:13:57,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 707 [2025-01-22 21:13:57,046 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:13:57,046 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 708 [2025-01-22 21:13:57,046 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:13:57,046 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:13:57,046 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:13:57,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:13:57,046 INFO L85 PathProgramCache]: Analyzing trace with hash -32594736, now seen corresponding path program 14 times [2025-01-22 21:13:57,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:13:57,046 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1225414368] [2025-01-22 21:13:57,046 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:13:57,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:13:57,062 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 710 statements into 2 equivalence classes. [2025-01-22 21:13:57,485 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 710 of 710 statements. [2025-01-22 21:13:57,486 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:13:57,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:14:16,144 INFO L134 CoverageAnalysis]: Checked inductivity of 21772 backedges. 1202 proven. 18222 refuted. 0 times theorem prover too weak. 2348 trivial. 0 not checked. [2025-01-22 21:14:16,144 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:14:16,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1225414368] [2025-01-22 21:14:16,144 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1225414368] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:14:16,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [228458644] [2025-01-22 21:14:16,144 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-22 21:14:16,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:14:16,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:14:16,146 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 21:14:16,147 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 21:14:16,202 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 710 statements into 2 equivalence classes. [2025-01-22 21:14:16,371 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 710 of 710 statements. [2025-01-22 21:14:16,372 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-22 21:14:16,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:14:16,387 INFO L256 TraceCheckSpWp]: Trace formula consists of 2173 conjuncts, 332 conjuncts are in the unsatisfiable core [2025-01-22 21:14:16,395 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:14:18,394 INFO L134 CoverageAnalysis]: Checked inductivity of 21772 backedges. 1180 proven. 18154 refuted. 0 times theorem prover too weak. 2438 trivial. 0 not checked. [2025-01-22 21:14:18,394 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:14:20,827 INFO L134 CoverageAnalysis]: Checked inductivity of 21772 backedges. 1302 proven. 18032 refuted. 0 times theorem prover too weak. 2438 trivial. 0 not checked. [2025-01-22 21:14:20,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [228458644] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:14:20,827 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:14:20,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 56, 57] total 144 [2025-01-22 21:14:20,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045626887] [2025-01-22 21:14:20,828 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:14:20,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 145 states [2025-01-22 21:14:20,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:14:20,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2025-01-22 21:14:20,832 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5345, Invalid=15535, Unknown=0, NotChecked=0, Total=20880 [2025-01-22 21:14:20,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:14:20,832 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:14:20,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 145 states, 145 states have (on average 3.627586206896552) internal successors, (526), 144 states have internal predecessors, (526), 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 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 274 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 480 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 304 states. [2025-01-22 21:14:20,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 486 states. [2025-01-22 21:14:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 330 states. [2025-01-22 21:14:34,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2025-01-22 21:14:34,647 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-01-22 21:14:34,842 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,SelfDestructingSolverStorable21 [2025-01-22 21:14:34,843 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 21:14:34,843 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:14:34,843 INFO L139 ounterexampleChecker]: Examining path program with hash 884055664, occurence #4 [2025-01-22 21:14:34,844 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:14:34,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1167 [2025-01-22 21:14:34,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1169 [2025-01-22 21:14:34,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1171 [2025-01-22 21:14:34,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1173 [2025-01-22 21:14:34,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1175 [2025-01-22 21:14:34,844 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,844 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1177 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1179 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1181 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1183 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1185 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1187 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1189 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1191 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1193 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,845 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1195 [2025-01-22 21:14:34,845 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1197 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1199 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1201 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1203 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1205 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1207 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1208 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1210 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1212 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1214 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1216 [2025-01-22 21:14:34,846 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:14:34,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1217 [2025-01-22 21:14:34,846 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:34,846 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:14:34,846 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:14:34,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:14:34,847 INFO L85 PathProgramCache]: Analyzing trace with hash -1305918864, now seen corresponding path program 15 times [2025-01-22 21:14:34,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:14:34,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815565273] [2025-01-22 21:14:34,847 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:14:34,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:14:34,869 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1219 statements into 153 equivalence classes. [2025-01-22 21:14:34,922 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 133 of 1219 statements. [2025-01-22 21:14:34,922 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-22 21:14:34,922 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:14:35,218 INFO L134 CoverageAnalysis]: Checked inductivity of 69794 backedges. 2013 proven. 290 refuted. 0 times theorem prover too weak. 67491 trivial. 0 not checked. [2025-01-22 21:14:35,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:14:35,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815565273] [2025-01-22 21:14:35,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815565273] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:14:35,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119802756] [2025-01-22 21:14:35,219 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-22 21:14:35,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:14:35,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:14:35,224 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 21:14:35,225 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 21:14:35,308 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 1219 statements into 153 equivalence classes. [2025-01-22 21:14:35,343 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 133 of 1219 statements. [2025-01-22 21:14:35,343 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-01-22 21:14:35,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:14:35,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-01-22 21:14:35,352 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:14:35,473 INFO L349 Elim1Store]: treesize reduction 4, result has 60.0 percent of original size [2025-01-22 21:14:35,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2025-01-22 21:14:35,497 INFO L134 CoverageAnalysis]: Checked inductivity of 69794 backedges. 2032 proven. 189 refuted. 0 times theorem prover too weak. 67573 trivial. 0 not checked. [2025-01-22 21:14:35,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:14:35,649 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2025-01-22 21:14:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 69794 backedges. 2012 proven. 209 refuted. 0 times theorem prover too weak. 67573 trivial. 0 not checked. [2025-01-22 21:14:35,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119802756] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:14:35,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:14:35,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 16] total 23 [2025-01-22 21:14:35,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797676582] [2025-01-22 21:14:35,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:14:35,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2025-01-22 21:14:35,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:14:35,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2025-01-22 21:14:35,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=439, Unknown=0, NotChecked=0, Total=506 [2025-01-22 21:14:35,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:14:35,666 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:14:35,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.9565217391304346) internal successors, (68), 23 states have internal predecessors, (68), 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 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 486 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 330 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2025-01-22 21:14:35,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 486 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 330 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 298 states. [2025-01-22 21:14:38,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-22 21:14:38,387 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-01-22 21:14:38,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:14:38,582 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 21:14:38,582 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:14:38,583 INFO L139 ounterexampleChecker]: Examining path program with hash 884055664, occurence #5 [2025-01-22 21:14:38,583 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:14:38,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1167 [2025-01-22 21:14:38,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1169 [2025-01-22 21:14:38,583 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,583 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1171 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1173 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1175 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1177 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1179 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1181 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1183 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1185 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1187 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1189 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1191 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1193 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1195 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1197 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1199 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1201 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1203 [2025-01-22 21:14:38,584 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,584 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1205 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1207 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1208 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1210 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1212 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1214 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1215 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1217 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1218 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1220 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1222 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1223 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1225 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,585 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1227 [2025-01-22 21:14:38,585 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1228 [2025-01-22 21:14:38,588 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,588 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1230 [2025-01-22 21:14:38,589 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:14:38,589 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1231 [2025-01-22 21:14:38,589 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:14:38,589 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:14:38,589 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:14:38,589 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:14:38,590 INFO L85 PathProgramCache]: Analyzing trace with hash -941273010, now seen corresponding path program 16 times [2025-01-22 21:14:38,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:14:38,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141226830] [2025-01-22 21:14:38,590 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:14:38,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:14:38,611 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1233 statements into 2 equivalence classes. [2025-01-22 21:14:40,897 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 1233 of 1233 statements. [2025-01-22 21:14:40,897 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:14:40,897 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:16:03,845 INFO L134 CoverageAnalysis]: Checked inductivity of 70190 backedges. 2093 proven. 64651 refuted. 0 times theorem prover too weak. 3446 trivial. 0 not checked. [2025-01-22 21:16:03,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-22 21:16:03,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141226830] [2025-01-22 21:16:03,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141226830] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-22 21:16:03,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1471271951] [2025-01-22 21:16:03,846 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-01-22 21:16:03,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-22 21:16:03,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2025-01-22 21:16:03,848 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 21:16:03,848 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 21:16:03,930 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 1233 statements into 2 equivalence classes. [2025-01-22 21:16:04,275 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) and asserted 1233 of 1233 statements. [2025-01-22 21:16:04,275 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 1 check-sat command(s) [2025-01-22 21:16:04,275 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-22 21:16:04,325 INFO L256 TraceCheckSpWp]: Trace formula consists of 3796 conjuncts, 562 conjuncts are in the unsatisfiable core [2025-01-22 21:16:04,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-22 21:16:07,122 INFO L134 CoverageAnalysis]: Checked inductivity of 70190 backedges. 1180 proven. 64576 refuted. 0 times theorem prover too weak. 4434 trivial. 0 not checked. [2025-01-22 21:16:07,122 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-22 21:16:17,037 INFO L134 CoverageAnalysis]: Checked inductivity of 70190 backedges. 1302 proven. 64454 refuted. 0 times theorem prover too weak. 4434 trivial. 0 not checked. [2025-01-22 21:16:17,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1471271951] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-22 21:16:17,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-22 21:16:17,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 66, 67] total 160 [2025-01-22 21:16:17,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150008514] [2025-01-22 21:16:17,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-22 21:16:17,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 161 states [2025-01-22 21:16:17,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-22 21:16:17,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2025-01-22 21:16:17,044 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4366, Invalid=21394, Unknown=0, NotChecked=0, Total=25760 [2025-01-22 21:16:17,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:16:17,044 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-01-22 21:16:17,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 161 states, 161 states have (on average 3.484472049689441) internal successors, (561), 160 states have internal predecessors, (561), 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 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 279 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 281 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 308 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 486 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 330 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 298 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2025-01-22 21:16:17,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-01-22 21:16:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-22 21:16:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:16:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-01-22 21:16:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 279 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 281 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 308 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 486 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 331 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 302 states. [2025-01-22 21:16:27,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-22 21:16:27,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2025-01-22 21:16:27,788 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 21:16:27,979 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,SelfDestructingSolverStorable23 [2025-01-22 21:16:27,979 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 21:16:27,979 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-01-22 21:16:27,980 INFO L139 ounterexampleChecker]: Examining path program with hash 884055664, occurence #6 [2025-01-22 21:16:27,980 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-01-22 21:16:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1207 [2025-01-22 21:16:27,980 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,980 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1209 [2025-01-22 21:16:27,980 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,981 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1211 [2025-01-22 21:16:27,981 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1213 [2025-01-22 21:16:27,984 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,984 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1215 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1216 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1218 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1220 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1222 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1223 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1225 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1226 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1228 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1230 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1231 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1233 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1235 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1236 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1238 [2025-01-22 21:16:27,985 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-01-22 21:16:27,985 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1239 [2025-01-22 21:16:27,985 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-01-22 21:16:27,985 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-01-22 21:16:27,986 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-01-22 21:16:27,986 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-22 21:16:27,986 INFO L85 PathProgramCache]: Analyzing trace with hash 1533398408, now seen corresponding path program 17 times [2025-01-22 21:16:27,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-22 21:16:27,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508477243] [2025-01-22 21:16:27,991 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-01-22 21:16:27,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-22 21:16:28,021 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 1241 statements into 166 equivalence classes. Received shutdown request... [2025-01-22 21:25:21,929 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 21:25:21,929 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 21:25:21,994 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 166 check-sat command(s) and asserted 1241 of 1241 statements. [2025-01-22 21:25:21,994 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 166 check-sat command(s) [2025-01-22 21:25:21,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-01-22 21:25:22,124 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (3 of 4 remaining) [2025-01-22 21:25:22,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-22 21:25:22,125 WARN L596 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1242 with TraceHistMax 289,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1508477243] and IpTcStrategyModuleZ3 [1905718960]. [2025-01-22 21:25:22,126 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2025-01-22 21:25:22,126 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2025-01-22 21:25:22,126 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2025-01-22 21:25:22,131 INFO L422 BasicCegarLoop]: Path program histogram: [17, 2, 2, 1, 1, 1, 1] [2025-01-22 21:25:22,134 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-01-22 21:25:22,134 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-01-22 21:25:22,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-01-22 21:25:22,149 INFO L201 PluginConnector]: Adding new model dot-product.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.01 09:25:22 BasicIcfg [2025-01-22 21:25:22,149 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-01-22 21:25:22,150 INFO L158 Benchmark]: Toolchain (without parser) took 865690.38ms. Allocated memory was 117.4MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 81.6MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. [2025-01-22 21:25:22,150 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:25:22,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 17.53ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:25:22,150 INFO L158 Benchmark]: Boogie Preprocessor took 13.35ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 733.4kB). There was no memory consumed. Max. memory is 16.0GB. [2025-01-22 21:25:22,150 INFO L158 Benchmark]: RCFGBuilder took 207.14ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 67.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2025-01-22 21:25:22,150 INFO L158 Benchmark]: TraceAbstraction took 865448.81ms. Allocated memory was 117.4MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 67.1MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 3.8GB. Max. memory is 16.0GB. [2025-01-22 21:25:22,151 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 0.14ms. Allocated memory is still 117.4MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.0GB. * Boogie Procedure Inliner took 17.53ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.0GB. * Boogie Preprocessor took 13.35ms. Allocated memory is still 117.4MB. Free memory was 80.2MB in the beginning and 79.5MB in the end (delta: 733.4kB). There was no memory consumed. Max. memory is 16.0GB. * RCFGBuilder took 207.14ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 67.7MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * TraceAbstraction took 865448.81ms. Allocated memory was 117.4MB in the beginning and 5.2GB in the end (delta: 5.0GB). Free memory was 67.1MB in the beginning and 4.2GB in the end (delta: -4.1GB). Peak memory consumption was 3.8GB. 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: 49419, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 14846, dependent conditional: 14846, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 0, independent unconditional: 34573, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 0, independent unconditional: 34573, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, independent: 347, independent conditional: 0, independent unconditional: 347, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 34573, independent: 34226, independent conditional: 0, independent unconditional: 34226, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 347, unknown conditional: 0, unknown unconditional: 347] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34161, Maximal queried relation: 0, Independence queries for same thread: 14846, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 74, Number of trivial persistent sets: 22, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 412, independent: 412, independent conditional: 0, independent unconditional: 412, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 49419, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 14846, dependent conditional: 14846, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 34161, independent unconditional: 412, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 0, independent unconditional: 34573, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 34573, independent: 34573, independent conditional: 0, independent unconditional: 34573, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 347, independent: 347, independent conditional: 0, independent unconditional: 347, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 347, independent: 343, independent conditional: 0, independent unconditional: 343, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 125, independent: 125, independent conditional: 0, independent unconditional: 125, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 34573, independent: 34226, independent conditional: 0, independent unconditional: 34226, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 347, unknown conditional: 0, unknown unconditional: 347] , Statistics on independence cache: Total cache size (in pairs): 347, Positive cache size: 347, Positive conditional cache size: 0, Positive unconditional cache size: 347, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 34161, Maximal queried relation: 0, Independence queries for same thread: 14846 - TimeoutResultAtElement [Line: 75]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 1242 with TraceHistMax 289,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1508477243] and IpTcStrategyModuleZ3 [1905718960]. - TimeoutResultAtElement [Line: 69]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1242 with TraceHistMax 289,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1508477243] and IpTcStrategyModuleZ3 [1905718960]. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1242 with TraceHistMax 289,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1508477243] and IpTcStrategyModuleZ3 [1905718960]. - TimeoutResultAtElement [Line: 68]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1242 with TraceHistMax 289,while AutomatonFreeRefinementEngine was Timeout during feasibility check between IpTcStrategyModuleSmtInterpolCraig [1508477243] and IpTcStrategyModuleZ3 [1905718960]. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 32 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 865.3s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 167.4s, 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: 3341, 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: 0.4s SsaConstructionTime, 4.8s SatisfiabilityAnalysisTime, 153.7s InterpolantComputationTime, 11168 NumberOfCodeBlocks, 8456 NumberOfCodeBlocksAsserted, 176 NumberOfCheckSat, 16604 ConstructedInterpolants, 6 QuantifiedInterpolants, 77215 SizeOfPredicates, 92 NumberOfNonLiveVariables, 12914 ConjunctsInSsa, 1888 ConjunctsInUnsatCore, 64 InterpolantComputations, 4 PerfectInterpolantSequences, 265651/527552 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]: 1, ConditionCalculationTime [ms]: 0, ConditionCalculations: 156, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown